The finishing.com Hotline includes more than 50,000 RFQs and shop problems about metal finishing. This page is an archive of a thousand of those discussions. Rather than review this page, you may prefer to: start at our home page, view the most recent letters, or search the site.
55000. Zinc dichromate hydrogen embrittlement
55001. Application requirement of Nickel vs Nickel-Chromium plating
55002. Will chlorine dosing hurt stainless steel heat exchanger?
55003. Why does nitric acid corrode nickel faster than sulfuric acid?
55004. Acceptance of Stainless Steel SS304 in Pharmaceutical Industry?
55005. Need Dacromet 500A coating on stainless fasteners ![]()
55006. Need light duty I-Beam Wheels
55007. New at nickel plating, please help!
55008. Using galvanized metal to make jewelry
55010. Dip dyes for solvent lacquer
55011. Electroplating Car Bodies
55013. How to clean aluminium hollow rivets
55014. Need Brass Plating of Scratched Brass Bed ![]()
55015. Need platinum plating on stainless steel watch bezel insert ![]()
55016. Gold and Rhodium electrodeposition products
55017. How can science teacher make the electrolysis of water go faster?
55018. Water Break Test (Atomizer Method)
55019. Selectively stripping hard anodize
55020. Paint adhesion on chrome plated plastic part
55021. Is galvanic reaction casing powder coat to bubble on alum parts
55022. Uses for Sulfamate Nickel Hard Chrome
55023. Stannate ion in tin plating bath
55024. Need To Design A Simple Phosphating System for Machine Shop
55025. Need Nickel flash applied to several hundred thousand feet of wire ![]()
55026. Need Hardcoat type lll class ll (Green, Yellow) on 6061 T6 ![]()
55027. Wanted: New or clean used Tanks, Heaters, Pumps for plating expansion
55028. Solder removal from PC boards
55029. Power connection for anodizing plant
55030. Problematic Rinsing ![]()
55031. How to evaluate the surface of plated coating after CASS test?
55032. How can we minimize galvanize coating thickness
55033. Effects of MIL-DTL-5541, Type2, Class1A on Pressed In Captive Hardware
55034. Zinc plating case hardened steel
55035. Need Electroforming of stampers for manufacturing vinyl records ![]()
55036. How to pit and darken a 420J stainless steel sword? ![]()
55037. Need my 1966 Ford truck aluminum grill refinished ![]()
55038. How frequently must pharmaceutical equipment be re-passivated?
55039. Standard Tests for silver plating on copper
55040. Top coat for oak table
55041. Need wrought iron patio set refinished
![]()
55042. Activation treatment for nickel barrier coating
55043. Need rechroming of a chair ![]()
55044. Electroplating Magnesium onto Titanium
55045. I have white spots on my aluminum cake pans!
55047. Medicines and food supplements for plating and plasma shop workers
55048. Reduction of Hexavalent Chromium to Trivalent by bubbling air
55049. Autophoretic performance at temperature
55050. Electroless Nickel plating over 316 stainless
55051. Function of stabilizer in Electroless Nickel Plating
55052. Reworking rust dots on zinc plated product
55053. Zinc plating an assembly that has stainless pems
55054. Problems electroplating silver onto copper bus bar
55055. Must parts be rack plated for RoHS compliance?
55056. Flaking issues on zinc plated 12L14 steel pipes
55057. Uniformity problems in vertical aluminium anodizing
55058. Spots in the anodic film
55059. Aluminium dip-type polishing agent
55060. Are dummy plates useful for removing copper from an electropolishing bath?
55061. Can we check for clear chromate by yellow chromating?
55062. Need Teflon coating of metal shafts
55063. How to copper plate alumina?
55064. What water to use in Sulfamate Nickel plating bath?
55065. Aqueous spectrophotometric determination of gold with rhodamine B and surfactant
55066. What tools to use to find thickness and hardness of hard chrome plating?
55067. Analytical procedure for tartaric-sulfuric acid anodizing
55068. Stripping hard anodising without dimensional change?
55069. pH is rising in Electrophoretic solution
55070. Hard anodising and seal anodising
55071. Coating aluminum for corrosion resistance and wear resistance?
55072. How to measure copper plating thickness on steel
55073. How to make Nickle Sulfamate metal powder
55074. Scrubber design
55075. Peeled Off on hardchrome tip
55076. Aluminium alloy 6061 is bead blasted but oxidizes during shipping
55077. How to repair a marred surface on my laminate counter top
55078. Effect of voltage on composition of plated material
55079. Safety of removing Rust Stains with Ammonium Bifluoride
55080. Hard Anodize - temperature - Pore density question
55081. Stripping of Cadmium per BAC5771
55082. Testing silver plating thickness on aluminum and copper alloys
55083. Industrial electrolytic rust removal process
55084. Dull, non-adherent 'patches' from acid copper electrolyte
55085. Sulfuric acid storage tank corrosion
55086. Possible Dead Fish from Copper Sulfate
55087. Paint stripping oven temperature guide
55088. How does bending affect corrosion of a steel nail?
55089. Welding on titanium grade 3 seal shaft
55090. Salt spray test hours for phosphated panel?
55091. Looking for someone to silver electroform on leaves ![]()
55092. How can I do uniform chrome plating on I.D. of long rods?
55093. Best way to mask off parts while bluing steel
55094. Stainless Steel Square Bar Polishing Machine Required
55095. One year old and corroding totally away ![]()
55096. Need MMO coating applied to Noryl ![]()
55097. PC Board Stripping using a Conductive Mask
55098. Researcher wants to do aluminum electroplating with ionic liquids
55099. Finishing Shop won't warranty powdercoat finish if applied over hot dip galvanized
55100. Vitreous Enamel Coating isn't smooth
55101. Electroforming on Wax?
55102. Strength comparison between copper and brass studs
55103. MIL-DTL-5541 Type I (hexchrome) vs, Type II (TCP) issue
55104. High Build up Electroless Nickel Plating (without pits?)
55105. Nickel strike before copper coating steel components?
55106. Is sulfuric acid pickling okay for hardened parts
55107. Zinc bond strength: plating vs. galvanizing
55109. Method for adhesion between aluminum foil and polyester/epoxy resin
55110. Chromium plating of carbon fibre
55111. ASTM B633 specification vs. ASTM B663
55112. Unexplained fluctuations in ORP values for chromium reduction
55113. The purpose of the various chemicals in tin plating
55114. Importance of sand blasting in metallising
55115. Will Brass in Fashion Apparel Stain the Clothing?
55116. Using galvanized tin for a small bathroom ceiling
55117. Leaching of jewelry polishing dust using thiourea
55118. Membrane elements for electrodialysis: hollow fiber vs. spiral wound
55119. Nitric acid analysis in chromating solution
55120. How to calculate proper painting thickness for corrosion protection
55121. Chrome Painting Finish
55122. Inserting self clinching fasteners in anodized parts without hardcoat cracking?
55123. Is salt spray test applicable for chemically blackened parts?
55124. Need chroming for restoring old baby carriage ![]()
55125. Need metal trim pieces changed from bright brass finish to satin nickel ![]()
55126. Testing silver plated copper
55128. Problem in direct metallization system on ABS
55129. How to improve saw grind test results for plated ABS?
55130. Adhesive for paper converter reported to cause corrosion in chrome plated roller
55131. How to ensure best chroming for silencers (2 wheelers)
55132. Surface treatment of 6061 that has won't affect the flatness of 1 um
55133. Finishing aluminum for use as a pneumatic cylinder
55134. Is there a formula for electropolishing tubular products
55135. Wet microblasting process for CRES
55136. Need economical coating/plating to pass 1000 hour salt spray test
55137. How to prepare ABS plastic for painting
55138. Looking for 5" chrome plated steel round tubing 10- 12 ft in length ![]()
55139. Need equipment for sandblasting the interior of tanks
55140. Zinc coating thickness that can resist 500 Hours Salt Spray Test
55141. Gold finishing process for polyresin decoration items
55142. Salt water dip test for rusting
55143. Acceptable finish on Hot-Dip Galvanized (and Centrifugally Spun) Parts?
55144. How to do plating on stainless steel, and where can I buy the product?
55145. Bath control for chemical milling of Ti-3Al-2,5V
55146. Corrosion resistance of Nickel Plating on CRCA vs. 304 Stainless Steel
55147. Compounds in Black Oxide metal blackening solutions
55148. Layers on top of the core of 92.5% silver jewelry
55149. How to remove polish residue on stainless steel
55150. Measuring zinc nickel plating thickness when electroless nickel is below it
55151. Oxalic acid for stains on vinyl pool liner
55152. Cleaning rust and corrosion from inside a water well casing
55153. Copper backsplash is tarnishing
55154. Hot Black Oxide Finish is purple, and wipes off
55155. Cyanide bleedout in Silver Plating of Brass Castings
55156. Cadmium Plating on Aluminum Bronze Bushings
55157. Seeking shop offering selective coating for solar thermal panels ![]()
55158. Seeking Passivation Consultant
55159. Help with antique galvanized bathtub restoration
55160. Jewelry "immersion plating" question
55161. How to detect possible intergranular corrosion after pickling of Incoloy 800?
55162. Rhodium plater is not ot achieving proper cleaning
55163. Colour variation with trivalent dips after zinc plating
55164. Inco S Rounds / Xstrata D Crowns - exactly the same?
55165. Suggestions on polishing exterior of stainless steel tanks in a factory
55166. Black Spots on Nickel-Plated Brass
55167. Need hydrophobic coating for glass
55168. Removing acrylic-based polymer coatings from jewelry without damaging pasted crystals
55169. Conductive Plating on Titanium
55170. Plating Stainless Steel for Solderability
55171. Color problems in wire electrogalvanization
55172. Bond Coating for Metal Spray
55173. Can using Porous Pots Increase Sulfates in Chrome Plating?
55174. Anode material for nickel brush plating
55175. Stripping titanium from stainless steel
55176. Need expanded lead coil for chrome anodes
55177. Peeling paintwork on bitumen coated conservatory walls
55178. Electrolyte titration questions for copper and chrome plating
55179. Why is molybdenum and nickel aluminide chosen as bond coat for twin wire spray metallising
55181. Seeking 5 um metallic coating on fused quartz ![]()
55182. Using Stainless Steel as an electrical ground
55183. Chlorine effect from pool on Aluminium Screens
55184. How to do silvering of glass with a gradient
55185. Use of cast iron borings/turnings in sand blasting
55186. Need Lighting for Paint Booth
55187. The better process for tin coating on copper wire
55188. Trying to recover gold but the orange precipitate explodes as I try to melt it?
55189. Nickel Plating on ABS Plastic
55190. Electropolishing problem - Blackish surface at the edge
55191. Details about 4 tank process
55192. Alkaline Zinc Nickel plating process
55193. Need silver plating of teas service ![]()
55194. Need 400 Lead bar/ingots Gold Plated ![]()
55195. How to make copper plated aluminum wire
55196. Plating onto tungsten carbide
55197. Need to Achieve a Tan Color on Aluminum with a (conductive) Chemical Conversion Coating
55198. How to replate bathroom fixtures in situ
55199. Titanium Coloring Question for wedding rings
55200. Method to detect detrimental materials on surface of chomium nickel alloy tubing
55201. Electroless Silver Plating on rhinestones
55202. Silver Plate Surface Contamination
55203. Need Ra 3.2 finish on Delrin
55204. Need home hardware copper plated ![]()
55205. Need water transfer finish on automotive replacement parts ![]()
55206. Seeking PVD Brass Coating on Aluminum ![]()
55207. Reverse etch and etching for hard chrome plating
55208. Increasing the phosphorus content of electroformed copper
55209. Removing chromate passivation from electroplated copper foil
55210. Need more information on nickel electroforming
55211. Help sought! How to discover the rate of nickel release from nickel-wound guitar strings?
55212. Is there an alternative to Bright Dip Anodizing that is as good as but, more environmentally friendly? ![]()
55213. Small nickel impurities in the gold during Indium soldering (under vacuum)
55214. Silver Cyanide, Black powdery deposits in Extreme Low Current Density Areas
55215. Thin Dense Chrome on Steel - 52100
55216. Advantage of methane sulphonic acid in chrome plating
55217. Titanium metal in white and black (no PVD) ![]()
55218. What type of sealant will maintain maximum hardness of hard anodize?
55219. Gold in electronics . . . for a third grade student
55220. How does a penny react in diet 7up?
55221. Why Nickel Electroplate has several times the yield strength of annealed nickel
55222. Mirror finishing galvanized (galvannealed) steel
55223. What is Mil-C-5541 Type 1A "PS 249"?
55224. Electroless nickel tank construction: polypropylene vs. stainless steel
55225. Black dot on zinc plating
55226. Organic Contamination in Nickel Sulfamate Plating Bath
55227. Is SS304 okay for pharmaceutical manufacturing?
55228. A solution to galvanic corrosion with aluminum and stainless?
55229. Need cast aluminum handrail parts painted ![]()
55230. Gadolinium contamination from old brick factory
55231. Stop copper from going green but retain tarnished look
55232. What paint to use on VINYL coated aluminum siding of pontoon boat
55233. Repainting a bike frame
55234. What is the electrolyte for making black marks on stainless steel?
55235. Zinc Plating with Black Passivation comes off during handling
55236. Dry Lube Application and Thickness for Hardcoated Aluminum
55237. Clear Coat Corrosion Protection of Aluminum Tread Plate
55238. Masking Thread Holes on Aluminum Extrusion to be Black Anodized
55239. Inexpensive black color coat on fasteners
55240. Instrument for checking phosphate coating weights
55242. Full course for jewelry training
55243. Fatigue Life of ASTM A228 Music Wire Tension Springs Near Elastic Limit
55244. Formal name for mixture
55245. Problems with plating 17-4 inner diameter
55246. Process of stripping metal plated plastics
55247. Trivalent conversion coating and color fastness of dyes and paint adhesion
55248. Finish for Processed Steel Sheet Metal and Rolled Steel
55249. Babbitt plating on aluminium alloy
55250. Asking about heat bearing ability after phosphating a job
55251. Scale removal from oil-quenched steel
55252. How to separate cation resin from anion in a mixed bed
55253. How can I best rustproof forged steel gates prior to painting ?
55254. Anodising a 4 foot dia. Aluminium Ring
55255. Straight ammonium chloride solution as pre-flux
55256. Need rinse tank 8' long x 5' wide x 4' deep used or new
55257. Can I anneal mild steel to use in electromagnet instead of ductile iron?
55258. Removing rhodium plating from antique sterling silver
55259. Is there any alternate name for ASH CHROME and meaning
55260. Using zinc and aluminium wire spray for preventing corrosion in steel structure from acid fumes
55261. Salt Spray vs Humidity
55262. Stripping Molybdenum Disulfide Coating for heat treating
55263. The best solution for blackening polished nickel
55264. E-coat and Hydrogen Embrittlement
55265. Soft Electroless Nickel
55266. What vapors cause red rust in zinc electroplate?
55267. Thickness problem in alkaline zinc plating
55268. Aluminum electronics enclosures mounted on steel in a moist marine atmosphere
55269. Casting ancient Greek bronze ![]()
55270. Applying silver design to lead crystal glass
55271. Chemistry-based steel polishing to replace buffing
55272. Nitride finish on hydraulic cylinder rod
55273. How do I dispose of 5 gals plastic container of Lectronic 1003-S Make-up.
55274. Electropolishing recipe for stainless steel
55275. What is the sodium doing in my copper plating experiment?
55276. Help with my copper kitchen table which discolors with every spill
55277. When to Choose Anodize, Chromate, or (Maybe) No Finish for Aluminum
55278. Can HCl vapour be used for pickling?
55279. Need a lab that can test to SAE AMS2473G
55280. Cooling system for an electrolytic bath of 49% HF and 96% sulfuric acid
55281. Hard Chrome Plating of Pistol Bore
55282. Embrittlement of grade 10.9 hot-dip galvanized fasteners
55283. Need split bearings for vintage racing ![]()
55284. Need re-chroming bicycle parts ![]()
55285. Could chrome cause a health issue on a plated tobacco pipe?
55286. Chrome activation
55287. Recovering silver from old resin filled sterling items
55288. Paint for concrete floor
55289. Cadmium plating low hydrogen embrittlement
55290. Cost Implications of Specifying Hard Coat Anodized Finish
55291. Need vendor to remove Alpha case from titanium
55292. Need Urban Gray Anodize ![]()
55293. Stainless steel mirror finish scratches remover
55294. A penn question silly :-)
55295. Aluminum Motorcycle Frame Cleaning: best product / method is?
55296. Metallising of oil expeller worm flights for improving life
55297. pH resistance of chrome plated rollers
55298. Nickel plating vs. chrome; hex vs. tri
55299. How to make ballpark cost estimate for general electroplating processes?
55300. Alpha case removal Process
55301. Anodizing Aluminium LM24, A1060 -- is it possible?
55302. Same spec but two different anodizing finishes
55303. Anti galling processes for stainless steel Medical Devices
55304. Electro polish, Passivation in Nitric Acid, Electroless nickel plating
55305. Need bronze finish layer on Aluminum sheet
{7/6/10}
55306. Reflectivity data on stainless steel roofs
55307. Accepted method for checking thickness of pure tin plating
55308. Kynar Paint as an isolator?
55309. E-coat issues when painting welded zinc coated steel
55310. Why the chromate conversion failure in 168 hrs salt spray
55311. Laser marking using shielding gas (like during welding)
55312. Finishing type 304 stainless steel for food use
55313. Heat treated 420 stainless steel passivation failure causing severe black corrosion.
55314. Need anodizing shop with large tanks to do coatings for thermal solar collector
{7/6/10}
55315. How to create nodular structure hard chrome plating on hardened bearing steel parts
55316. Single crystal stainless steel
55317. How to increase nitric acid from 60% to 68%
55318. Aluminium Mast Repair
55319. Mach-1 Mustang wants a new start
55320. Why did my gold mounting turn black
55321. High oxygen content in city water and blueish tint to laundry and 1 tub
55322. Testing for iron concentration of passivation bath IAW AMS 2700
55323. Cissing problem in powder coating
55324. Plating Standards to Prevent Tarnishing on Gold-Plated Silver and Brass
55325. Accidental etching of cobalt based alloy while chrome plating
55326. Problem with leveling bright nickel bath
55327. Black spots in cyanide copper plating
55328. Phosphating for rusty parts (rust observed in 3 days) for rework
55329. Problems Electropolishing 420F Stainless
55330. Seaside corrosion of wrought iron
55331. Yellowing problems with spray on chrome system
55332. 24k Gold plating on plastic PlayStation 3
55333. Powdercoated finish on outdoor lighting is chalking and fading
55334. Acid Tin Plating - is pretreatment of Nickel underlayer necessary?
55335. Welding tubing and color anodizing it without the weld marks showing
55336. Plaforization - What is it really?
55337. Minimal build thickness brown anti corrosion coating on steel
55338. Need Heat treatment and Austemper in San Diego Area
{7/12/10}
55339. How to setup a galvanizing plant
{7/12/10}
55340. Need to remove stones from 800 watches
55341. Safe to weld or cut CARC coated materials?
55342. Tin plating turns black after soldering
55343. Deburring of aluminum car a/c flanges
55344. Is hexavalent chrome still hex chrome after it is plated on a part?
55345. Black oxide on electroless nickel plate
55346. Ammoniated nickel stripper for copper alloy
55347. Need nickel Sufamate and gold plating on INCO 718 wire contacts
{7/13/10}
55348. Want thick nickel plating plant for continuous casting molds
{7/13/10}
55349. Want cadmium plating setup
55350. Blue or yellow passivation better after Zinc plating?
55351. Chrome plating compliance issues. What needs an MSDS and what does not?
55352. Maximum probable concentration of HCl in waste
55353. Acid Cracking of Nickel Complexes
55354. Galvanising electroplated steel
55355. Unable to electroplate copper on EN Nickel
55356. What is the black dip we are applying to our zinc plated fasteners?
55357. Correcting Excessive Hardcoat Anodize Coating
55358. How do I remove epoxy from ivory
55359. Want Sticky Patina for Larger Objects
55360. Spec for Electropolishing Nitinol?
55361. Any health issues with the vinegar and solution?
55362. Caustic Spill; Treatment method needed!
55363. Can welding be done on a Fn/Zn 8 DIN 50961 plated tube?
55364. Removal of hydrogen embrittlement of high carbon steel after tin plating
55365. CED low bath turnover
55366. Ferritic Nitrocarburizing has red color to it?
55367. Galvanized coating thickness of steel rod equal to sheet steel
55368. Titanium Nitride on Gold Jewellery
55369. Does striking in an E. Nickel bath cause it to decompose more quickly?
55370. Proper thickness for electroless nickel boron plating
55371. Soldering to Kovar like materials
55372. Pewter Plating
55373. Pulse plating rectifier benefit for rotogravure cylinder plant
55374. Spotty rhodium plating
55375. How to know when it's time to discard a "P2" Ferric Sulfate solution?
55376. Can SS 410S be Pickled & Passivated per ASTM 380?
55377. Poor cleaning of 301 grade extra hard
55378. How to apply brush finish to soft stainless steel?
55379. Chrome plated stainless steel for high temperature valves?
55380. NEED SUPPLIER WHO CAN : ASTM B-840 CLASS 1, TYPE D, GRADE 12
{7/20/10}
55381. Metal tanker bookcase in need of refinishing
{7/20/10}
55382. Need Environmental Balls (hollow polypropylene spheres)
{7/20/10}
55383. Need to replace a Stiffel lampshade
{7/20/10}
55384. Rinsing of ship's hydraulic system
55385. How to collect small parts of golds from sand?
55386. Waste Water Treatment
55387. Saw grind test for plated plastics
55388. Locking in the brightened brass/copper shine
55389. Galvanneal vs Electro-Galvanneal?
55390. Appearance of "cracks" in chrome plated ABS plastic - post chrome
55391. Black sludge in nickel anode baskets
55392. Cleaning copper tubing before matte tin plating
55393. Brass plated zinc
55394. Alzak, still available? Any alternatives?
55395. Aluminum hard-coat anodizing: is thicker better!
55396. Electropolishing for diamond jewelry finishing
55397. Stainless steel planters - mirror finishing methods
55398. Separate bed regeneration resin
55399. Silver plated copper failing salt spray test
55400. Hot dip solder coating of Sn60Pb40 solder on copper
55401. Zinc peels off from burnt area
55402. Does Zincalume conform to ASTM A653
55403. Sodium Sulphate deposits in heat exchanger made out of Nickel Plate
55404. Flash Gold Plating with Life of 3 months
55405. Hexavalent chromium standards
55406. Looking for Nickel Plating specification that PASS salt spray test 48 hrs
55407. Nickel free rhodium on brass
55408. Corrosion resistant alternatives to molybdenum disulphide
55409. What's the grade of this SS ?
55410. Replacements for BR 127 and Alocrom 1200
55411. Microhardness testing of large chrome plated ram
55412. Need somebody to chrome plate aluminum letters
{7/27/10}
55413. Need estimate for copper teapot polish and lacquering
55414. Cold dipped galvanizing process
55415. Superfinishing stainless to Ry < 0.4 achievable ?
55416. Stainless steel gets rusty
55417. A 3000 S Plasma Tecknik ag
55418. Rusting during water immersion in passivation
55419. Need stainless steel pet feeding bowls blackened
{7/27/10}
55420. Seeking Chrome Plating & Polishing Services for production work of motorcycle parts for longterm repeat business
{7/27/10}
55421. Cleaning of Sodium Chloride accumulation in Hypochlorite Generation tank
55422. How to dissolve steel burnishing media from a gold ring
55423. Storage and Display requirements for HCl in hardware store
55424. How to Refurbish Cast Iron Street Lamp Poles
55425. Defect in aluminium castings causes black marks?
55426. Busbar connections
55427. Polane T total adhesion failure over clean Iridited aluminum.
55428. How to make tin plating solution directly from tin and sulfuric acid?
55429. Reasons for Zinc-Nickel bolts rusting?
55430. Getting bright white rhodium on 18K white gold jewelry
55431. Anodize Buildup Question
55432. What caused the yellow spots on chromic acid anodized part's surface? and how to avoid?![]()
55433. What are the ways to print a 4-color logo on stainless steel utensils?
55434. Fluorocarbon Coatings vs. Hot Dipped Galvanized
55435. Need 24 volt, 20000 amps DC power supply
{7/29/10}
55436. Creating a desktop, want 4 different shades of metal
55437. Low chrome thickness on one rack of parts where the ones beside are fine
55438. Electrolytic recovery of nickel
55439. Traces of Silicon in Gold Plating
55440. Reduction/Elimination of stannic tin from bright tin and tin-lead plating baths
55441. Chloride Upstream of Bright Acid Tin
55442. Acid Pickling necessary on a new boiler installation?
55443. Need help locating someone to refinish porcelain kitchen sink
{7/30/10}
55444. Need copper plating of a small motorcycle gas tank
{7/30/10}
55445. Composition of acid zinc brightener
55446. Recovering gold from gold plated rims
55447. Objective, Scientific Comparison of Powder Coating Pretreatments
55448. Tank is rapidly deteriorating
55449. Electrolytic removal of zinc in waste water
55450. How long between shot blasting and powder coating
55451. What al alloy and temper give the most consistent cosmetic finish using type 3 anodizing
55452. Wear resistant conductive surface over aluminum needed
55453. Thick-Film Dielectric on stainless steel
55454. What is the maximum ppm that a closed loop system is designed to treat?
55455. Dull deposition in hard chrome plating of perforated area on nickel screen
55456. Needing Bumpers Chromed
{8/4/10}
55457. Looking for chrome plating of boat parts
{8/4/10}
55458. Need used small salt fog chamber
{8/4/10}
55459. How to repair Oil Rubbed Bronze Shower Tower
55460. Galvanised Z275 or chromated, which one is the best
55461. Tri alloy plating on Aluminum alloy
55462. Any hope for vandalized elevator interior? ![]()
55463. TWAS coating for erosion resistance in boiler tubes
55464. Salt Spray Chamber Mfg. guide
55465. Wastewater zinc problem in small 1000 Gal system
55466. Making jewelry without Nickel Plating
55467. Required Current Density for Electropolishing
55468. Chemical etching of brass
55469. Chrome Plating in Harsh weather
55470. Need cryogenic treatment for Carbon Steel
{8/6/10}
55471. Need Zinc Dross Supplier ![]()
{8/6/10}
55472. Electrolysis in extraction of metal
55473. Soldering vertical seams in ductwork
55474. Olive green passivation fading
55475. Questions related to power supply for hard anodizing of aluminum
55476. Annealing or Temperature Effect of Silver Plating
55477. Maximum thickness on electroless nickel
55478. Touch-up of scratches in the olive drab cad plate finish on MIL-DTL-38999 connector shells
55479. REACH Regulations Affecting the Plating Industry
55480. Recovering gold from old cyanide plating solution
55481. How to flux fasteners for hot dip galvanizing
55482. Silver plating on aluminum
55483. Recovering high gold content from solder
55484. Is Zinc plating per ES-572, para 3.1.1.1.8, type 1 RoHS compliant?
55485. Plating a Carbon Steel Tank with Magnesium
55486. Alternative to Titanium Racks for Electropolishing
55487. Removing zinc from a mixed chloride solution
55488. Regenerating loose ion exchange resin
55489. Ammoniacal Nitrogen Removal in Semiconductor Waste Stream
55490. Electroless nickel plating of SST
55491. Testing electroless nickel plated parts
55492. Problems in hard chrome plating on electroformed nickel sugar screens
55493. Stainless steel plating onto brass
55494. How do I test if a part has been Alochromed
55495. Performance evaluation of zirconium and silane powder coat pretreatments
55496. Zinc phosphating plus cleaning in one step?
55497. Cyanide toxicity and cardiac troponins
55498. Grinding and honing tungsten carbide coated sphere
55499. Spectacular gold/black onyx catholic crucifix with a storage space
55500. Galvanization pollution
55501. Conductive pre-treatment for powder coating on Aluminium
55502. Assessing corrosion of Zinc plating during salt spray testing
55503. Stainless steel blackening at room temperature
55504. Aluminium part painting details
55505. Can antique gold-plated steel railroad uniform buttons be re-plated?
{8/12/10}
55506. Removal of Cadmium from wastewater
55507. S Hooks for holding parts and OSHA requirements
55508. Paint isn't adhering to Aluminium
55509. Grey colour finish on Tool holders
55510. Bonding to Nitrided Surface
55511. Getting aluminum to look like copper
55512. Restoration of corroded hot dip galvanized parts
55513. SS homebuilt swim platform - needs coating to prevent surface rust at welds
55514. Stopping polished brass with NO finish from tarnishing
55515. IR Anti Reflective ecoating
55516. Gold Plating on Aluminum - corrosion resistance
55517. Galvanized Products from China-Vietnam
55518. Low temperature black chrome for corrosion resistance in carbon steel
55519. Silver Plating on Bronze Metal Products
55520. Rack Line Needed
55521. Seeking procedure for plating / coating the Die Cavity surface
55522. Need a thickness gauge (instrument)
{8/16/10}
55523. Need Iridite (nitric light bright dip, with water base dip lacquer)
{8/16/10}
55524. How to check quantity of sodium sulphate in spinbath?
55525. Strawberry Milkshake on my New Car's Paint
55526. Flash chroming stainless steel reflectors
55527. Coefficient of friction: Van sliding on asphalt
55528. Calcium deposits in my bones caused by platinum ring
55529. Anodizing problem with AA 5056 rivet
55530. How to do metal finishing/powdercoating on VW rims
55531. Electropolishing of stainless steel utensils
55532. Nickel Plating on brass lamp socket with need to solder wire to it
55533. Traits of acids, bases, etc. which cause the reactions
55534. Scratch/scuff/abrasion Test Methods
55535. Maximum permissible lead in hot dip galvanizing?
55536. How to remove the surface oxide of aluminum diecastings?
55537. Electroplating ABS without palladium solutions
55538. Need Plasma Nitriding service
{8/18/10}
55539. Nickel plated brass bolts compared to stainless steel
55540. Plating over pewter jewellery
55541. How to dispose of expired copper sulfate
55542. Recipes for Electropolishing Ti64 and Nitinol
55543. Removing poor gold plating from stainless cutlery
55544. Chrome plating a surface of thermal sprayed stainless steel
55545. Corrosivity of distilled water
55546. Lifespan of 7/8 Corrugated sheet metal if placed into the ground?
55547. Woven wire mesh protective and catalytic coatings
55548. Difference between SS & SUS materials
55549. Plating parts sampling quantity
55550. Need RoHS-compliant preplated 18 gauge steel
{8/19/10}
55551. Calculating the weight of plating
55552. Need Ion Nitriding in Monterrey, NL
{8/19/10}
55553. Need Chrome Plating of Powdered Metal Parts
{8/20/10}
55554. Zinc flake dip-spin coatings vs. hot dip galvanise and mechanical coating
55555. Mixing 316 stainless steel with hot-dipped galvanized
55556. True weight of phos & oil on a part
55557. Selection of tank material / finish
55558. Grit blasting inside surface of long tubes
55559. Corrosion After Laser Marking on 17-4 Stainless Steel
55560. Attaching Treated Plywood to an Aluminum Frame
55561. Old style nickel plating
55562. Fix holes in steel barn roof from the inside?
55563. What does .025 gold content mean?
55564. Titrating for the Concentration of Spent HCl
55565. Repair Powder Coating
55566. Pinholes in hard chrome plating process
55567. Microporous nickel not meeting step test requirements-failing dubpernell
55568. Differences in Coatings
55569. Anode basket for nickel bromide?
55570. Trying to find best coating for snaphooks
55571. Correct Plating Process for specific applications
55572. Quality issue of rusting of tin plated parts
55573. Evaporation Rate in Water Tank with A Roof and Open Vent
55574. Is MIL-A-63576 Teflon sealing reliable enough for implant machinery?
55575. Making Chrome Plated ABS match 435 Stainless Steel
55576. Differing galvanizing thickness on flat and tubular areas
55577. IMPROVING REACTIVITY OF POLYESTER-AND PHENOLIC BLEND
55578. Pretreatment for PVC coating in refrigerator grid shelves
55579. Need a 6 plating position Electrogravimetric set
{8/24/10}
55580. Estimating cost of nickel plating
55581. Cyanide copper plating without adding carbonates
55582. Black Tin
55583. Galvanic reaction of anodized aluminum solar panel to galvanized steel Unistrut
55584. Stainless steel black spots in salt water environment
55585. Silica Removal from Water
55586. Need Mechanically Deposited Zinc Coatings in Monterrey
{8/27/10}
55587. Prevention of scratches while fabbing and welding stainless steel
55589. Sudden silkscreen adhesion problem on nickel plated chassis
55590. What are ways of inspection of anodizing?
55591. Type 2 Black Anodizing Discoloring
55592. Press fit considerations for Iridited parts
55593. Is it possible to measure phosphate coating thickness with SEM (Scanner Electron Microscope)
55594. Waterless Phosphating Process?
55595. Preservation procedure for HRSG after hydrostatic test!
55596. Need replacement for cadmium plating
{8/27/10}
55597. How to differentiate tungsten ring from gold
55598. Need a service to Refinish interiors only of my metal kitchen cabinets
{8/30/10}
55599. Rhodium plating blisters off of silver sample panels
55600. Aluminum well cap and steel bolts have corroded and fused
55601. Selecting cathode material for Boric/Sulfuric anodize
55602. How to write Job Descriptions for Industrial Painters
55603. Powder coating changes color from heat and humidity
55604. Exposing zinc phosphated parts to elevated temperatures
55605. Stainless steel vs zinc flake coating & fluorocarbon coating
55606. Need gold plating of phosphor bronze wire
{9/2/10}
55607. Inquiry for a conductive paint
{9/2/10}
55608. Need Help in Aluminum Battery Recharging
55609. Electroplating on Tungsten Carbide (WC-Co)
55610. Is stainless steel dissolved in wine toxic?
55611. Remedy for excess linseed oil on steel?
55612. Which standard to refer to for Yellow passivation?
55613. How does DI water affect a cleaning process?
55614. Adhesive for EPS and galvanized plate
55615. Powder coating on the interior of an hydraulic tank?
55616. Hull cell size for Sulfamate Nickel electroforming
55617. Brass Plating over Nickel over Copper on Steel Screw
55618. How to weld and polish aluminum after the anodizing process
55620. How to do metallic look logo on soft touch paint
55621. Smut on the black oxide coatings
55622. Corrosion problems in 2024 panels using Iridite 14-2
55623. Painting on different automotive substrates (Stainless Steel & Aluminium)
55624. Zinc Plating on Mild Steel Wire
55625. Removal of C5 insulation coating from electrical steel prior to copper plate
55626. Seeking advice finishing wood frames
55627. Refinishing a natural stained oak bookshelf to a distressed pink and white color
55628. Where can I buy Blue Rhodium Plating solution ?
55629. Satin protective sealer - metal jewelry
55630. Cleaning wax from a Silver Electroform
55631. Hot dip galvanizing before or after fabrication?
55632. Name this finish please
55633. How to electroplate Iron castings
55634. Etching Lettering on Large Sheets
55635. Re-paint prep for aluminum rocker panels on a 36' 15-year-old motor coach
55636. Decorative preservation of Mushrooms
55637. Aging wash tubs to make light fixtures
55638. Cyanide copper plating onto electroless nickel
55639. Preventing hot tin from adhering to outside of copper pot during retinning
55640. How do I electroplate a sphere? ![]()
55641. GI or CRCA sheets for better corrosion resistance?
55642. Blackening pewter jewelry
55643. Zinc plating flaking off 4140 material.
55644. Al 3004 alloy etchant
55645. What is the buy-to-fly ratio of chrome in Alodine 600 & 1132, and CAA?
55646. Thermal Cycling in chrome plated ABS
55647. Electrochemical Impedance Spectroscopy
55648. Welding HDPE
55649. Calculating Acid and Alkali Requirements for DM Water Plant
55650. Copper parts go black in 10-12 days after vibrofinishing
55651. Possible Purple of Cassius on Gold Vermeil ![]()
55652. Best Corrosion Protection for an Automotive Door Hinge Pin?
55653. Need potassium gold cyanide PGC
{9/3/10}
55654. Dipping copper/brass in molten lead-tin solder bath and obtaining greenish dry sand flotation.
55655. Selective dissolution of copper
55656. Is there a way to restore shine to 18/8 stainless tableware
55657. Tin Pest in Toy Soldiers
55658. Source for rust-converter primer
55659. Chrome plating inconsistant thickness problem
55660. Coating steel and aluminum for Marine application
55661. Chromium plating thickness per P-106 of MIL-STD-808
55662. Need Custom finishes on brass fittings and tubing (mostly 2" OD)
{9/8/10}
55663. What is "BROWN SOAP" as a post-zinc phosphate coating?
55664. Material of Construction for Sulfuric anodize tank
55665. Identification of an unknown gold solution
55666. Vacuum Vaporisation Process for Wastewater Treatment
55667. Substitute HCl for H2SO4 in RO feedwater?
55668. Stripping copper from Cobalt Chromium Molybdenum-Nickel
55669. Welding after E-coat
55670. TITANIUM NITRIDING TOOLING
55671. EN Plating deep blind holes.
55672. Ultrasonic treatment after electroless silver plating
55673. Cyanide zinc plating problems
55674. Some finished product quality problems with black anodized and hard clear anodized processes
55675. Specification for sealed Hardcoat Anodizing
55676. Pickling problem of duplex stainless steel
55677. Electropolishing MAKE-UP solution for low carbon steel lighting reflectors
55678. Electroless nickel on copper
55679. 301 SS Passivated incorrectly
55680. Need motorcycle frame bright nickel plated
{9/9/10}
55681. Need mmo coating of titanium sheet
{9/9/10}
55682. Need Baker Brothers Contact Fingers
{9/9/10}
55683. Need some glass saccharometer
55684. Hydrogen embrittlement of aluminum castings
55685. Help! Gold plating over copper alloy, blister/flaking?
55686. Parameters for vibratory tumbling stainless 1/4" washers
55687. Powder coating powder touch up method
55688. Suggestions for large 304 stainless steel sign
55690. Plating Insulating Material Onto Metal or Carbon
55691. Sodium Sulphocarbolate
55692. Need catalog of Powder Coating paints
{9/10/10}
55693. How to know the value of gold plated scrap metal
55694. Aluminum engraving to be color filled
55695. Laser marking on 416 Stainless steel
55696. How to achieve US26d Finish
55697. Stainless steel's effect on pH of solutions
55698. A clear explanation about the "action of acids in metal"
55699. Scalding coffee turns copper sink milky-white
55700. MASCAGNITE COATED JEWELRY
55701. Zinc thickness of different galvanization processes
55702. Who can do both Duplex Nickel and brass plating?
{9/13/10}
55703. Searching for round, 3/4-inch rod ends for brass bed
55704. Alternative ways to kill weeds in lakes
55705. Chromic acid alternative chemicals
55706. Corrosion of gold-plated BeCu
55707. Welding/soldering Al 6063 heatsink to copper pipe
55708. Refinishing a Propane Cookstove
{9/13/10}
55709. What kind of pre-cleaning operation do we require for steel pipe
55710. Chrome plating in Hong Kong - where?
{9/14/10}
55711. Need Manganese Phosphate Coating Service
{9/14/10}
55712. Need totally untreated/unplated stainless steel or other food safe wire mesh
{9/14/10}
55713. Best SS type to accept Mirror Like Polish
55714. Machinist has never seen finish marked this way
55715. Need training in composite plating copper
55716. Salt spray fail for SUS416 by 12hours
55717. Can I etch into a nickel coated copper etching plate?
55718. Plating of Heat Resistant Ni-Alloy Component
55719. Peel off problem in plating ABS plastic
55720. Highly Conductive Plating for Aluminum to TIn Plated Copper
55721. Refrigerator side panels undulation/waviness : how to avoid & how to measure?
55722. Excess copper deposition in pyrophosphate bath
55723. Length of time a blank copper master can be in storage
55724. Oil & Gas Equipment Shop Needs Painting Solution for In-House Application
55725. Need Manganese Phosphating Process
{9/14/10}
55726. How do you synthesize nickel sulfamate?
55727. How much lead needs to be added to molten zinc when starting up a new zinc kettle
55728. Suppliers for mechanical galvanizing
{9/15/10}
55729. How to test what metal toys are plated with?
55730. Clearcoat finish for overhauled vintage metal toys
55731. Gasket Adhesion Issues On Urethane Polyester Powder Coat
55732. Rz vs. R delta Q - Friends or Foes
55733. Need equipment and process chemistry for immersion copper plating of steel parts
{9/15/10}
55734. Looking for Fe/Zn 7 IV S treatment subcontractor in China
{9/15/10}
55735. Binders for good adhesion of TiO2 films
55736. How to translate "coupage" from French to English for silver plating bath maintenance
55737. What is the Difference between DIN 1623/83 and DIN 1623?
55738. New flux regeneration plant: 1 ORP unit = how much iron?
55739. PVDF coatings on glass
55740. High Phos Electroless Nickel on Stainless Steel 303 and AA6061
55741. Pretreatment (cleaning) process of sand blasted items for hard chrome plating
55742. How to polish and protect a copper table
55743. Repairing Coating on Aluminium Grooved Traverse Drum
55744. Zinc Plating is Cracking ![]()
55745. Need organic photoconductor coating material
{9/17/10}
55746. Electroplating of thin silver films
55747. Fatigue crack propagation in Stainless steel
55748. Replacing corroded black pipe outdoor gas line
55749. Home-brew Nickel Stripper?
55750. Brazing 6061 T4 Aluminum plates without having to re-temper
55751. 316 vs 316L "double Certification"
55752. Dielectric Coating for Carbon Steel
55753. Black nitride rod material
55754. Black Spots observed on hexagon face of Non Cyanide Zinc Plated Parts
55755. Increased Platinum plating time - what causes it?
55756. Blistering chrome on zinc cast parts
55757. Stain marks on Nickel Plating
55758. Suitable substitute for copper cyanide strike plating on aluminum?
55759. Removal of toolpath visibility prior to anodising
55760. Type II mil 8625F black anodizing flaking off after heating to 125 C
55761. Corrosion on fabricated SS316L panel for marine use
55763. Affordable "Chrome" finish on back side of clear urethane resin?
55764. Rust problem in heat exchangers
55765. How to do Galvanizing of fasteners
55766. Restoring Painted Copper Storefront
55767. Buffer pads for the McClary Easy Polisher Scrubber
55768. Need powder coating system for lead sinkers
{9/21/10}
55769. Inconsistent yellowing with ASTM-B633-07 Type V SC3
55770. RO water suitable for Mild steel?
55771. Powder coating a magnet?
55772. Remove silicon nitride deposition on Stainless Steel
55773. Need Used Dip Spin equipment
{9/23/10}
55774. Coil material for heating HCl?
55775. Chrome-look powder coating becomes greyish after applying clear powder
55776. Carbonates in non-cyanide plating solutions
55777. Chrome plating for long length bar
55778. Tartaric acid anodising controls
55779. Trivalent chromium reacting with cutting fluids
55780. Electropolish molybdenum parts
{9/23/10}
55781. Room temperature nickel plating on non conductive mediums
55782. Galvanized steel decorative finish
55783. Want to start chrome and nickel plating business also powder coating
55784. Trivalent Blue without sealer
55785. Blue Tempered and polished
55786. Sizing A Hard Coat Rectifier
55787. Has anyone been diagnosed with Parkinsons after working in the chrome plating industry
55788. Effects of Zinc Black Passivating and Anodising
55789. Volts low/Amps High in Stannate Tin Plating
55790. How much does zinc nickel plating cost
55791. Looking for bright dip anodizing advise or a jobber
55792. Steel Plate coating
55793. Rhodium clock
55794. Do galvanizers sell zinc ash?
55795. Reaction of Magnesium Hydroxide with passive layer of stainless steel
55796. How to make bright nickel additives
55797. Oil leakage through hard chrome layer
55798. Need small passivation system
{9/24/10}
55799. Recovering gold from gold plated china
55800. E-coat UV Durability for transit
55801. Weaning older contaminated Silver tank to start fresh?
55802. Creating raised lettering on a metal rod via electroplating
55803. Exposing chromate coatings to high temperatures
55804. Does Chromate on Aluminum Parts degrade ?
55805. Parting solution for Nickel electroforming of Brass
55806. Electroless nickel wastewater treatment
55807. Thermodynamic properties of titanium complexes
55808. Corrosion Coating for Alloy Steel Pins in Live Tree
55809. Looking for a high thermal emissivity paint for aluminum
55810. Has AMS-QQ-P-35 been superceded by AMS 2700? <
55811. Wanted Book: "Trouble in Your Tank"
55812. Anolyte system in CED line
55813. Making a food oven from Electro-Galvanized or Galvanneal Steels
55814. Bio-fouling in nickel and gold rinse tank
55815. Anodizing 2007 series aluminum?
55816. How to do directional textured finish on irregular shapes
55817. Aluminium utensils polishing
55818. Copper isolation from galvanized metals
55819. Indian standard for sand blasting water treatment plants?
55820. Safety Manual for Electroplating
55821. Defects in nickel-chromium plating of ABS
55822. Anodising coloring problem especially electrolytic light brown...
55823. Water Break Test - Parts pass at first, then fail days later
55824. Aluminum tubing corrosion in stainless flange
55825. LOOKING FOR LARGE PAINT BOOTH
{9/28/10}
55826. Corrosion Resistance of Trivalent Chromate
55827. Is touch-up allowed in Mil-A-8625 ?
55828. Corrosiveness of condensate & RO water
55829. Passivation of eyelets of lamp caps
55830. Larger grains around PTH in acid copper plating of PCB
55832. Service temperature limits for anodised aluminium extrusions
55833. Polishing compounds for stainless steel that are free of animal derived ingredients
55834. 17-4 Stainless Steel Corrosion in a Marine environment
55835. Materials and finishing for electronic board assembly
55836. Seeking an aqueous rust inhibitor that won't burn on from heat treatment
55837. What exact process, A to Z, to electrowin gold from acid mine water
55838. Silver plating needed
{10/1/10}
55839. Molybdenum Plating
55840. Corrosion on 304 L stainless steel electrical panel
55841. What to wash polyurethane with before plasma treatment
55842. White rust and blue black patches on aluminium casting
55843. Need Used Burn Off Oven
{10/1/10}
55844. E-coating vs. nano coating
55845. Study of beams made from mill scale and fumed silica
55846. Need thin corrosion resistant coating after TiN diffusion
55847. Use of Fluorescein Indicator
55848. Lacquers before and after high vacuum metallization
55849. Is delaying cure after powder coating inviting trouble?
55850. How to remove carbon or flux after welding?
55851. Need to post bake case harden parts after electroplate?
55852. Need Black chrome plating of S&W model 457 .45
{10/5/10}
55853. Chroming classic hubcaps (October 11)
55854. Powder coating thickness measurement device (October 25)
55855. Excessive DFT Variation (October 11)
55856. Controlling surface finish during Sursulf process (October 14)
55857. Remove smut in Allen Key hole after hydrochloric acid etching (October 19)
55858. Should abrasive chrome finish be ground? (November 12)
55859. Trouble getting streak free cadmium plating with olive drab (October 5)
55860. Use of Magnesium Bars to eliminate Current in Post Anodize Treatments (October 15)
55861. Need reel to reel clean & etch of aluminum wire .035"-.055"
{10/6/10}
55862. Need consulting on setting up R2R plating line
{10/6/10}
55863. Hard protectant for gold plated jewelry (October 6)
55864. Food-safe enamel repair for enamel-coated metal cooking pot (October 18)
55865. Need Plating of polysulfone parts
{10/6/10}
55866. Finish for a copper heatsink/radiator - high thermal emissivity and thin coating needed
(October 17)
55867. Aluminum articles turned dark in dishwasher using Cascade detergent (October 6)
55868. How do I specify thick-film / full passivation on acid zinc plating? (October 6)
55869. Globrite electropolish solution #4...any info? (October 6)
55870. Wet blast vs. Sand blast (October 6)
55871. Can hardened 440C Stainless be Electropolished? (October 8)
55872. Problems black anodising after vapour blasting (October 7)
55873. Voltage drop at constant current in gold electroplating (December 12)
55874. Palladium plating - a homebrew solution? (October 7)
55875. Does st37 corrode? (October 25)
55876. Electrolytic zinc plating and raw material relation (January 2)
55877. Coating on pilger mill mandrels (December 12)
55878. Need complete Electrogalvanization line
{10/8/10}
55879. Controlling silver tarnish for an antique effect (October 13)
55880. Copper plating help: 1934 vibraphone hardware
(October 11)
55881. Sizing a rectifier for CED Coating (October 7)
55882. Is dip spin coating equivalent to galvanizing (November 26)
55883. Post-plating Cleanliness Test for Electroless Nickel (October 14)
55884. Formation of Spongy smut on 6061-T851 aluminum Cathode Plate (October 26)
55885. Satin Finish Solution for High Density S/S Towel rails (October 18)
55886. Need help on a brushed brass elevator (October 18)
55887. Silver electroplating thickness max limit? (October 11)
55889. Dry Film Lubricant vs. Solid Film Lubricant (October 13)
55890. Does anodizing screws uniformly increase electrical resistance over threads and shaft?
55891. "Acid copper plating" problem -- high amps / low volts ? (October 11)
55892. Is mild steel okay for cryogenic conditions? (October 12)
55893. Gold Plating a stainless steel ring
(October 16)
55894. Banana skin left a slight dark stain on a light oak table (October 12)
55895. Electroless nickel in contact with chromated Aluminum, beachside (November 3)
55896. Need an off-the-shelf test kit for chromate conversion coating (MIL-DTL-5541, type 1, Classes 1A & 3, Clear) (October 16)
55897. Looking for someone to teach Electroplating and Surface Finishing (October 12)
55898. HCl carryover problem in hot dip galvanizing (October 13)
55899. Carbon treatment for gold plating (October 14)
55900. How to achieve color in nickel-cadmium diffusion without chromate conversion (October 12)
55901. Gold plating color change - tarnish problem (October 25)
55902. Energy and waste in Hot Dip Galvanizing (October 12)
55903. Troubleshooting tin plating baths (November 26)
55904. Pitting of SS316 material exposed to HCl fumes (October 12)
55905. Solar cells need light reflective coating for glass that also absorbs heat (October 14)
55906. How to Coat sodium metabisulfite onto paper? (October 12)
55907. Coating 1mm thick copper on copper base metal (October 14)
55908. Lab method of gold leaching (October 13)
55909. Tarnishing of zinc plated parts after baking for hydrogen de-embrittlement (January 2)
55910. Need my rims re-done
{10/14/10}
55911. Zinc plating for the newbie/amateur (October 19)
55912. Wiring diagram for Hoyt Bondmeter Mark 2
(October 14)
55913. Aluminum "reskinning" (October 14)
55914. The analysis method for Turco 4104 (October 14)
55915. Coating thickness measurement: manganese phosphate coating on steel parts (October 15)
55916. Can we do epoxy coatings on phosphated surfaces? (October 14)
55917. How to make nickel plated objects spotless (October 19)
55918. Black dye fading - will hard anodizing help? (October 15)
55919. Want to do "glass etching" process on steel (October 15)
55920. "Cleanliness" requirement for passivation of stainless steel (November 12)
55921. Stainless springs are breaking - is passivation to blame? (October 15)
55922. Automated buffing of stainless steel bowls and plates (October 18)
55923. Alodine bleeding through a weld
(October 18)
55924. Limits on Pb and Sb contamination of Cr passivation solution (November 17)
55925. Polishing an anodized 2024 aluminum inlet (October 20)
55926. Large Chromic Acid Additions Suddenly Needed in Anodize Tank (October 20)
55927. Matching a chromate conversion color
(October 16)
55928. Clear coating for a cosmetic zinc die cast part? (October 16)
55929. Polishing of tungsten carbide coatings (October 16)
55930. Etching text onto an aluminium printing wheel of thickness 1 inch (October 18)
55931. Clear coats, etc., for restoring NYC's Puck Building (October 18)
55932. Polishing aluminium pots (October 18)
55933. Gold Plating Cyanide Bath (November 1)
55934. Voltage & amps for gold plating aluminum (December 22)
55935. Hard anodizing of unknown aluminum alloys (October 19)
55936. Alternatives to Black Nickel finish on Brass? (October 19)
55937. Electroless plating on Stainless Steel (October 20)
55938. Need Colour Coating Process for Stainless Steel Utensils
{10/19/10}
55939. Reclaiming silver from copper solder joints (October 19)
55940. Does all metal eat at copper piping? (October 22)
55941. Heat resistant aluminium paint (October 28)
55942. Shelf life of epoxy powder (October 19)
55943. Powder coating chem-filmed parts. (October 19)
55944. How to make spray paint masking for automotive parts
(October 20)
55945. Electropolishing product problems
(October 19)
55946. Pickling Process (October 19)
55947. How to fix porosity in an aluminum mold for roto-molding (December 14)
55948. Avoiding rusting screws in oceanfront construction (November 15)
55949. Reoxidizing a silver ring (October 19)
55950. Nickel vs. Chrome Plating for Outdoor Cookware (November 4)
55951. Home nickel plating 3.3V or 5V with vinegar and salt (October 20)
55952. ASTM Type IV water Supplier (October 19)
55953. Science: does rust affect conductivity of metals? (October 19)
55954. Problem with tin and bronze patina (October 21)
55955. Copper plating on zinc (October 21)
55956. Is stress relief baking necessary after machine grinding of hard chrome plating on high nickel alloys? (October 22)
55957. Curing time before the tape test on paint (October 21)
55958. Non-poisonous (non-cyanide) carburising chemicals (October 20)
55959. How to check pH of liquified flux solution per an IS standard (November 17)
55960. How to spec non-shiny Hot-Dip Galvanized Finish? (November 29)
55961. Plating steel PCB components with "nickel-silver" alloys instead of tin (October 20)
55962. Gold trace cracking on PCB (October 29)
55963. Problem in barrel cyanide plating (November 4)
55964. Chrome plating problems, analysis of bath (December 12)
55965. Stainless steel acid wash applied to regular steel (October 22)
55966. Can we use CRCA sheets in place prone to Marine Corrosion like Kitchen Cabinets (October 20)
55967. Need ceramic coating service and ceramic piston rings
{10/21/10}
55968. Ruined my brass cabinet handles washing them with soap and vinegar
(October 22)
55969. RoHS compliance of hexavalent chrome plating (November 12)
55970. Brass-tone Clear Coat? (December 22)
55971. Alternative zinc finishes for sheet metal (November 26)
55972. Black oxide problem after annealing (November 16)
55973. Possible to get uniform thickness over the component in zinc plating? (November 26)
55974. Au (gold plating) thickness problem (October 25)
55975. Converting from hexavalent passivation acid zinc plating to trivalent alkaline zinc (January 2)
55976. Cadmium plating on tungsten (October 21)
55977. Need continuous filter for iron phosphating
{10/22/10}
55978. Poor paint adhesion over chromic acid anodizing (October 25)
55979. Ceramic coating on pump shaft sleeve
{10/22/10}
55980. Hex Chrome Testing per spec. DX900359
{10/22/10}
55981. How do I paint Brass Cane Handles?
(October 28)
55982. Pickle line fume control with plate scrubbers (October 22)
55983. Plating Palladium from Palladium Nitrate Acid Solution (October 22)
55984. Need hand-held Thickness Meter for Nickel/Chrome Plating
{10/25/10}
55985. Extracting aluminum from acid waste (December 27)
55986. Salt spray test before or after assembly? (January 2)
55987. Surface Prep for Powder Coating (October 27)
55988. Pump shaft material for water application (December 6)
55989. Need cold phosphating process
{10/25/10}
55990. Flower vase ruined Teak stereo cabinet surface
(October 25)
55991. Waterproof glue that sticks to stainless steel (October 25)
55992. Heat tolerance of black chrome plating? (October 25)
55993. Producing tri chrome from chromic acid (October 25)
55994. Kindly elaborate effluent treatment for yellow aluminium chromate solutions (October 25)
55995. Stripping Aluminum Coating (October 28)
55996. Acid as Primer on Galvanized Surface? (October 27)
55997. Galvanizing - Dust Collector for Kettle - Oily & Wet (December 8)
55998. Best plating for mild steel semi-trailer parts?
(October 28)
55999. Hard chrome plating on nitrided surfaces (above 65 HRC) (October 26)