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GI sheet vs. CRCA for rust prevention and corrosion protection - 7/3/25

Coloring Nickel Plating - 6/7/25

Compatibility of aluminum and brass - 5/16/25

Aluminum posts embedded in concrete - 5/13/25

Too much wax to my tank - 4/28/25

Tin ceiling restoration 2000 square feet RFQ open to all: Chicago - 3/8/25

Mixing bright metal & bluing. Turning blued gun silver? - 3/7/25

Looking for the hardest, unscratchable finish for jewelry RFQ open to all: Idaho - 2/2/25

Gold Plating a Kalash - 1/7/25

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Furniture maker needs super matte perfectly even surface on aluminum tubing - 6/2/25

Need Tumble Finisher RFQ open to all: Phoenix AZ - 3/12/25

Flattening aluminum panels warped by laser cutting - 2/6/25

Blasting in lieu of cleaning & pickling - 1/29/25

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Yellow to brown stains after zinc phosphate - 7/2/25

Need Zinc Chloride Wash Station RFQ Illinois - 6/2/25

Electropolishing Cost - 4/18/25

Wire pre-cleaning before plastic coating for better adhesion - 3/23/25

Staining of hydraulic manifold blocks after alkaline wash - 3/16/25

TA/FA for Tri-cationic Zinc Phosphating? - 3/10/25

Best way to blacken zinc phosphate - 12/30/24

Manganese phosphate coating: issues and answers - 12/29/24

Mixed metal pretreatment configuration - 12/9/24

Electropolishing of silver - 12/3/24

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Dual tone nickel + gold electroplating - 5/31/25

Masking for Selective Silver Plating - 3/8/25

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Local / Swab / Spot Passivation on Assembled, Laser Welded Part - 4/7/25

Passivate per MIL F 14072 E300 - 3/7/25

Titanium anodizing for multi-color sheets for kitchen cabinets - 2/8/25

Can Titanium be Anodized in an Aluminum Anodizing Line? Inquirer often helps others, so especially deserves our help - 1/29/25

Passivating Laser Cut Stainless Steel Problem - 1/22/25

Electrical Properties of Passivated Stainless Steel - 1/6/25

Electropolishing 4xx / 400 series stainless steel - 12/31/24

Can't remove old plastic protection film from stainless steel - 12/27/24

How to smoothly etch stainless steel materials - 12/26/24

"Rainbowing" and "Bluing" method for Stainless Steel - 12/14/24

Electropolishing stainless steel to a 'satin' finish - 12/6/24

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New Rectifier Can No Longer Hard Anodize 2XXX Aluminum without Burning - 7/5/25

Zirconization of anodized aluminum - 7/1/25

Ultrasonic rinsing after anodizing - 6/16/25

Black spots /shadow on anodized aluminum corners - 6/13/25

Anodizing Of Cast Aluminum (ADC12) - 6/12/25

White spots in anodizing of castings - 5/15/25

Anodizing of firearms. Refinishing AR15 receivers - 5/12/25

Passivation of Polished Aluminum - 5/12/25

Excess dye on surface of anodized parts - 5/3/25

De-smutting of aluminum with sulfuric acid plus peroxide - 4/28/25

Aluminum conversion coating on clad vs. non-clad aluminum - 4/19/25

Anodizing thin sheets of aluminum - 4/18/25

Material Defect or Hard Anodizing Defect? - 4/15/25

Color anodizing of die-cast aluminum - 4/8/25

Black spots on one side of thread after Anodize and Dichromate Seal - 3/31/25 2nd Rqst

Gold Spots when Hard Anodizing 7075 Aluminum - 3/7/25

Carbon Anodizing Cathodes - 3/6/25

Chem Film on Aluminum is Cloudy - 3/5/25

Masking/stripping when chromate conversion and anodizing on same part - 3/5/25

Rainbow effect / defect on anodized aluminum? - 3/1/25

White dots on an anodised finish - 2/19/25

Alodine not sticking / rubbing off, but only at holes - 2/13/25

Chromic acid anodized test panels fail only if near bottom of rack - 2/12/25

White dots on an anodised finish - 2/6/25

Aluminum in the 1930's: "Deplated Finish" - 1/30/25

How to do copper plating on aluminum roller? - 1/30/25

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Stain marks found on matte tin surface - 7/3/25

Nickel plating zamac die castings for bathroom fixtures - 7/1/25

Heavy Bronze Plating Is Delaminating - 6/25/25

Acid zinc plating Anodes - 6/20/25

What is the Composition of EPNS silverware? - 6/16/25

How to nickel plate aluminum with good adhesion? - 6/9/25

White streaks/patches, and spots, after Nickel Plating - 5/31/25

Blue Color Powder on Silver Plated Parts - 5/30/25

Acid Zinc Bath Contamination - 5/25/25

Titanium-Cadmium Plating Q&As, Problems & Solutions - 5/24/25

Acid zinc plating: Non coverage problem - 5/13/25

Gold/yellowing on non-chromated zinc plated Hull Cell panels - 5/13/25

Glycol contamination in alkaline zinc bath - 5/13/25

Alkaline zinc plating bath: How to remove carbonates: FAQs + Q&A Forum - 5/9/25

Electroplating wire with zinc/tin for Garment hangers - 5/7/25

How to get heavy gold plating - 4/27/25

Some problems in alkaline zinc plating - 4/25/25

Cadmium plating is blistering - 4/21/25

Hard Chrome Plating of Cast Iron - 4/16/25

Black nickel plating on EN problems - 4/11/25

Chrome Plating of rotogravure cylinders: Problems & Solutions - 4/8/25

Plating zinc diecast (Zamak-3): Process sequence? - 4/6/25

Need a tiny amount of Fumetrol 140 for research RFQ - 4/6/25

Cashew paste and cadmium plate reaction? - 3/26/25

Zinc-Nickel Plating Intro, What & Why - 3/24/25

Brass Plating Problems & Issues - 3/23/25

Plating of Copper Elements for Soldering/Welding - 3/20/25

Cyanide copper plating on zinc diecast - 3/5/25

Detecting & Repairing Scratches in Ni Plated Al6061 - 3/5/25

Non-cyanide Copper Plating - 3/5/25

Black Chrome Plater with Large Tanks Needed RFQ open to all: Wisconsin - 3/4/25

Replating chrome onto existing chrome - 2/26/25

Chrome plating: microcracking & pits - 2/26/25

Blisters of sulphamate nickel plating after sintering - 2/26/25

Need Cad 1 finishing for Restorations RFQ: West Coast - 2/19/25

HRc hardness of hard chrome plating - 2/16/25

In electroplating, What is a 'Strike Solution'? - 2/13/25

Need Gold electroplating of item for memorial plaque RFQ open to all: Mesa, AZ - 2/11/25

Silver plating Trumpets & Musical instruments - 2/11/25

Plating both outside AND inside of a tube - 2/9/25

Surface Preparation of Molybdenum for Ni Plating - 2/7/25

Reddish discoloration in continuous brush gold plating of wire - 2/6/25

Sulfur embrittlement of Ni sulfamate platings: azodisulfonate, AUP, "magic stress reducer" - 2/1/25

Cleaning Porous Pot Cathodes - There's gotta be a better way! Inquirer often helps others, so especially deserves our help - 1/26/25

Alkaline zinc plating rundown streaking - 1/24/25

Hard Chrome Plating on Inconel 625 - 1/21/25

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Problems Chrome Plating ABS Plastic - 7/13/25

Mirror finish spray chrome - topcoat yellowing - 7/6/25

Waviness problem in Nickel Chrome Plating on ABS Plastics - 5/18/25

Activating Electroless Nickel for more plating - 4/17/25

How to blacken electroless nickel - 4/7/25

Spray chrome (Chrome-look paint) - 3/19/25

Silver mirroring puddles on glass, oxidizes at the edges - 3/2/25

SLA plastics activation for electroless coating - 3/1/25

Skip plating on ABS-PC when ABS is fine - 2/4/25

Electroless nickel plating onto stainless steel - 12/12/24

"Water spots" on electroless nickel plated parts - 11/25/24

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Need to TiN coat a circular blade, 90 mm dia x 2 mm thick - 200 pcs RFQ open to all: Murfreesboro, TN - 12/23/24

High Temperature PVD Coatings - 12/14/24

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Triple Salt and Quadra Flux Densities? - 6/23/25

How to reduce shine of galvanizing - 6/5/25

Hot-Dip Galvanizing Kettles: how to build - 5/30/25

Hot-Dip Galvanizing: best Nickel and Aluminium content? - 5/13/25

Lead (Pb) in Hot Dip Galvanizing - 4/10/25

Trapped acid bleeds out from galvanizing - 3/15/25

Need Consultant for Galvanizing Plant RFQ: Australia - 2/2/25

Galvanizing flux: Ammonium chloride requirements and analysis - 1/22/25

Galvanizing: Product Quality Issue with Shipped Containers - 1/22/25

Galvanizing kettle furnace and burner design - 1/22/25

Planning a small HDG plant - 1/6/25

Spotting, Staining, Blackening of Hot Dip Galvanized Finish - 12/31/24

Hot-Dip Tinning Problems & Solutions: hard tin crystals - 12/6/24

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Patinas for pewter - 3/27/25

How to get dark black surface on Turkish men's rings - 3/23/25

Prepping Stainless Steel for Blackening - 2/6/25

Need Wax for Ebonol C Blackening - 2/1/25

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Geomet 750 Hp galvanizing - August 6

Ferritic Nitrocarburizing has red color to it? - June 15

Pin holes in CED e-coating - 4/6/25

Sludge on top of parts when ED coating. Fix without cleaning tank? - 3/27/25

E-coating over Zinc or Zinc Alloy Plating - 1/10/25

E-coat throwing power, coverage inside tubes - 12/11/24

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Avoiding Powder Coating Buildup on Hooks, Racks, Carts & Fixtures? - 4/6/25

Emissivity of powder coated steel - 2/19/25

Actual costing of powder coating in India - October 6

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Steel sealant for cold rolled countertop - 3/13/25

Want anti-pit solvent for Electrophoretic Lacquer - 12/4/24

Clear Coating Black Oxided Stainless Steel? - November 18

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White finish for Stainless Steel Dental Crowns - 3/6/25

Putting plastisol on zinc plated parts - 12/29/24

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Olive drab Chromate Coating - 6/6/25

Dummy Plating of Chemical Conversion Coating Bath - 4/25/25

Does Baking of Trivalent Passivates Produce Hexavalent Chromium? - 4/6/25

Sealing over cured Zinc Plating + Chromate - 2/11/25

Restoring the yellow dichromate finish on automobile carburetors - 1/19/25

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Hydrogen Embrittlement in Plating - 4/28/25

Hydrogen embrittlement baking was interrupted - 2/6/25

Solder is de-wetting in hot oil bath - 2/3/25

Hydrogen Embrittlement Failure. Need Details for Chromium Plating Baking - 1/30/25

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Removing/stripping TiN (Titanium Nitride) coatings - 5/18/25

Strip (remove) Copper Plating from Steel - 3/31/25

Stripping chrome plating Q&A, Problems & Solutions - 12/23/24

Zinc Phosphate stripping for coating weight - 11/25/24

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Determination of hexavalent Chromium in Trivalent Chrome Plating solution - 6/17/25

What wavelength for testing Bonderite T-5900? - 6/2/25

Caustic Analysis -- Free Alkali vs. Total Alkali - 5/16/25

Analysis of alkaline zinc plating bath - 5/3/25

Cad Plating Solution limits per AMS-QQ-P-416 - 4/19/25

Analyze acid level (HCl) in ferric chloride solution - 4/10/25

Determine % Nitric Acid. Titration? Conversion factor? - 3/31/25

Power Outage During Salt Spray Test - 3/27/25

Salt Spray Hours vs. real life exposure - 3/11/25

Need Lab Help with Stainless Product Development - 1/7/25

On line analysis of chrome concentration? Inquirer often helps others, so especially deserves our help - 12/21/24

Caustic Etch Analysis -- aluminium anodizing - 12/18/24

Analyze Chrome Plating Bath; Determine sulphates - 12/9/24

Analysis of potassium carbonate in cyanide plating bath - 12/3/24

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Spot test for cyanide in waste water - 1/26/25

Determining if WWT sludge is hazardous? - October 9

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Toxicity of stainless flatware - 2/26/25

Safety of Drinking D.I. Water - 12/18/24

Safety of "Chrome" Vinyl Wrap - 12/15/24

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Why Anodizing Uses a Hollow Copper Work Bar - 7/1/25

Cooling the Hot DI Seal after Anodizing for Deionization - 5/7/25

Cleaning up Chromic Acid Surface Contamination - 4/20/25

Tips on making up alkaline zinc concentrate - 3/17/25

Feed & Bleed System for HCl Tanks - 3/10/25

Bus Bar vs. Cable for 2-Step Electrolytic Coloring - 2/17/25

Making Dummy Cathodes for a Plating Bath - 2/17/25

Can we have a clean silver plating plant without acid? - 2/6/25

Learn more about automatic electroplating production lines - 12/28/24

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Specification DS30000 - 7/13/25

Questions about military finishing spec. MIL-STD-171? - 5/24/25

Specification VW 13750 - 5/13/25

Plating Process Control Q&A's - 4/21/25

AS9100 Aluminium Anodising - "Special Processes" - 4/8/25

Does MIL-STD-186F require litmus test of trivalent chromated surfaces? - 2/27/25

Boeing Chloride Limits for Nickel Sulfamate Plating Bath? - 2/5/25

Nitric acid: Are the volume ratios in passivation specs based on 100% Nitric Acid? - 1/24/25

Meaning of "Zinc electrolyte plating + leaching"? - 1/16/25

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What is Black Luster® Finish for Fasteners - 12/12/24

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3d printed Inconel 718 part turns blue in vacuum heat treatment - November 16

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Reverse electroplating for platinum recovery - 7/2/25

How many computers for one ounce of gold? - 6/24/25

Removing/Reclaiming Gold plating from watches, flatware, wheels - 6/9/25

Is this ore/rock Platinum, Palladium & Rhodium? A meteorite? - 5/31/25

Best & easiest way to refine gold dust to get 99.9% purity - 3/16/25

Recover gold from gold plated stainless steel wire - 1/14/25

Extracting Gold from Computer Circuit Boards? - 1/5/25

Remove tin plating from copper pots, trays, cookware, etc. - 12/15/24

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Remove Water Stain from Teak - 7/11/25

Copper/Aluminum interaction problem in swimming pool - 5/25/25

Need White Gold Plating on a Ring RFQ open to all: Louisiana - 5/16/25

White Gold Ring vs. Sterling Silver Ring - 5/1/25

National Cash Registers: How to Restore & Refinish - 4/24/25

Imitation Cadmium plating turning cloudy white - 4/17/25

Will Zinc Plating Cause Galvanic Issue on Brazed Steel? - 4/17/25

Use Glass for Stovetop - 4/12/25

Hoyt (& Lyman) Metal Bars / Ingots - 4/8/25

Grout cleaner stains on my stainless steel fridge! - 4/7/25

Salt & Pepper Shakers: Sterling or Plated? Refinishing and Restoring - 3/31/25

Electroless Nickel (EN) Plating on Aluminum: Adhesion (Peel-off strength) - 3/29/25

Refinishing Oil Rubbed Bronze - 3/23/25

Electroplating onto glass like iPhone screens - 3/10/25

How to strip plated silver off of copper collectibles - 3/7/25

Is headboard "brass" or what; how to clean and refinish? - 3/5/25

Do It Yourself Nickel and Copper Plating - 3/5/25

Electroless gold plating solution - 3/5/25

National Cash Registers: How to Restore & Refinish - 3/4/25

Dirigold/Dirilyte: How to Polish Bronze Flatware - 3/1/25

Home nickel plating with vinegar & salt - 2/16/25

Silver plated trays and silverware: What is the base metal? - 2/9/25

Finishing of Kenrick 19th century cast iron - 1/24/25

Acid Zinc Plating Brightener Q&A - 1/18/25

Dumbbells have white corrosion on them - 1/14/25

Hobbyist Copper Plating on 3D Plastics: Help Fine-Tuning It - 1/8/25

Electroplating bath plates Nickel or Copper depending on voltage - 12/30/24

Need food-safe pliers - 12/30/24

Lead-free Antiquing Wears Right Off - 12/28/24

Restore silver damaged by peroxide - 12/28/24

Can't remove old plastic protection film from stainless steel - 12/27/24

Pre-coating for sublimation transfers onto ceramic - 12/27/24

Brass Threshold Turned Silver from Polishing - 12/12/24

Model railroading: Effect of oxidation of nickel silver on its conductivity - 12/6/24

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Need 20µ gold or silver coating on 50µ dia. spherical magnets RFQ open to all: Southampton, UK - 5/7/25

Electroplating (Electrodeposition) of Niobium - 12/26/24

Adding Fe/Cu to Hard Chrome Plating Bath as DOE? - 12/15/24

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Electroplating science fair project - 3/22/25

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Want gold "relic" type finish on plastic - 6/2/25

Emmy is corroding and flaking - 5/5/25

Waxed patinated bronze surface oxidising - 3/31/25

Benzotriazole and substitutes for brass corrosion control - November 16

Forcing a white patina on zinc for watch dials - October 11

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Sterling silver vs. silver plate -- How to tell? - 7/5/25

Want Stiffel Lamp to Work RFQ open to all: Washington, USA - 7/1/25

Removing rust on Buddy L pressed steel car - 6/23/25

Copper Tubing for Internal Natural Gas? - 6/16/25

It's not a lamp base, it's a font holder - 6/10/25

Antique iceboxes & refrigerators - 6/9/25

Barber Chair Restoration Q&A's and Successes - 6/2/25

Need Legs for Martin Wood Stove - 4/28/25

McClary Easy Polisher Scrubber Buffer Pads - 2/18/25

Extracting elemental titanium from Titanium Dioxide - 2/17/25

Restoring Comstock Castle cast iron stove - 2/9/25

Theda Sterling Silver Medals, Crosses, Jewelry Q&A - 2/5/25

Identify "STN" Hallmark on Necklace - 1/29/25

Removing Silica Water Stains - 1/24/25

Fixing scratched glass - 12/18/24

Need sweet spirits of nitre (the traditional folk medicine) - 12/4/24

Need Door for Kalamazoo Stove RFQ open to all: New Jersey, USA - 12/3/24

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