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finishing.com -- The Home Page of the Finishing Industry

Archives of the finishing.com Hotline

Topics/Threads 61000 to 61999



The finishing.com Hotline includes more than 60,000 Shop Problems, Q&A's and RFQs about metal finishing. This page is an archive of a thousand of those discussions. You may prefer to start at our Home page

Electroless Plating the Inside of a Large Container

Nylon 6/6 rubbing on anodized aluminum lubricates it

Flattening the ends of mild steel tubes leads to corrosion?

Effects of agricultural lime dust on metal roof

Stainless Steel Storage Tank absorption risks

Ventilation requirement for Manganese Phosphate line

Copper Electroplating Experiment with Salt Bridge

Type II and Type III on same part

Nickel striked or struck?

Black spot observed on electroless nickel plated steel

Electroless nickel plating process sequence

How to properly activate white bronze plating?

Alkaline Anodizing of Aluminum

Uncoated carbon steel and 96-hour salt spray test

Changing vacuum conditions in PVD

Size loss of up to .001" during passivation of stainless steel

Aluminium Anodizing followed by reverse-anodizing

Polishing aluminum deposited on glass to 0.2 nm

Unexpected color change in acid solution for soil digestion

How can I improve my DIY black oxide coating process?

Finishing porous brass casting before lacquering

Body-In-White spec: cleanliness before degreasing

How to Calculate Current for Electroplating

Labs say there is no chrome on our 'chrome plated' parts

Protecting selective areas on precision machined weldments of Large Synoptic Survey Telescope

What is "IMMUNIZE" finish?

Best leveling agent for anti-corrosion water-based coating?

Prepare the steel before galvanizing

Lead poisoning from machining steel & stainless steel?

Stains from post-treating galvanizing with tannic acid

Sintered Iron Part - Gas Nitriding Unsuccessful

PECVD anti-finger print coating on PVD pieces

Need harder nickel free plating for zipper sliders

Risks of diluting an evaporated nickel plating solution?

Mixing Nickel strike with Copper sulfate bath for disposal

Metalized parts turn 'gold' even before topcoat

How to reduce high zinc content in Socosurf

Strip aluminium from steel dies without caustic solution

M.S. recommendation: Material science or Material engineering

Resurfacing existing wood paneled walk-in refrigerator

Vulcanizing Rubber (CR) binding to steel for 1939 Buick part

Anodizing Dye Color Naming conventions? 4A, AEN, 3GL

Where to buy 7175-T736 aluminum

Laser cutting removes UV printing from anodized aluminum

Need e-coating of our skateboard tools

Coronavirus copper plate door handles

Black Oxide with Supplemental Coating

Nickel electroforming with very thin stainless steel foil as mandrel

Energy savings in high temperature Type II anodizing

Can we use Cold Rolled Sheet Metal for Hot Dip Galvanizing (batch type)

Rotating field for electroplating

Testing Brazes and locating very clean HVAC coils

Proper Buffer Work Height?

What is Nickel Fluoride Bath - Dow, British 830,597

Electrolytic acid works on outside of welded steel tanks, but inside rusts

Temperature limit for cadmium plated aluminum parts?

Baffling Citric Acid passivation bath issue

Why is chemical conversion coating wiping off with Acetone?

Need 5RA finish on .180" elbowed hole in 316L

Motor housing with sharp edges fails salt spray test

Polishing a Mini Draco for Shiny Gold Plating

Visual change to finished Thermoplastic PVDF because of post painted heat

Remove hand sanitiser stains from hot dip galvanised material

C377 Brass Forging turned silver from Scotch-Brite Polishing

What maintenance is needed on trivalent chromate bath?

Can M3 thread plug gauge be used on Nylon 66 plastic part?

Must aluminum be blasted before ceramic coating?

Conductivity and anodized Aluminum

Material of construction for alkaline Zinc Nickel Plating process

Paint stripper for wood deck that rests on a rubber roof

Need recommendation for protective adhesive: rhinestones to faux leather

Lime Away took away the shine on my stainless steel fridge door

Hardcoat Anodizing Polished vs. Blasted Aluminum

Primer for liquid metal top coat

Brush plating & patinating automobile sheet metal

Facing black marks from grinding anodized aluminium

Switching from Brush Cadmium plating to Barrel cadmium plating

Patterns at Tops of Parts in Electroless Nickel Tanks

Need black anodized aluminum Iphone 7 Repolished

No service for me from finishing.com

Kombucha and Stainless Steel

Plating onto tin substrate

How to prevent fungus on plastic chromed surface in production

Chrome plating banned. What will substitute?

What is this mystery "electroplating over paint" process?

Pretreatment Steps for Anodizing of AW 2017 Aluminum?

Manual anodizing versus automation

Want motorcycle kickstand & centerstand that won't rust

Galvanizing of very thick plate is silvery and non-adhering

Sublimation coating removal

Need zinc-gold plating on stainless steel

Copper plated aluminum sand casting gets brown dots

Stainless steel dumbbells: economic corrosion-resistant grade?

Problem of Brass finish burning off during sintering furnacing

Protecting Engraved Manganese from Corrosion

Rack/basket material for Iridite chromate conversion coating

Cyanide vs. Non-Cyanide Electroless Nickel Stripper

Plating of Parts Longer than Our Tank

Avoiding Tank Overflows

Chrome plating and matte black anodizing

What to do with dog's head bas relief?

Type 1100 Aluminum Burns During Anodizing

What is spec P56011 and P55004?

Need spare parts for Eidschun Automatic Plating equipment

Establishing a standard for matte black finish

Unusual reaction of Bohler K390 steel to phosphoric acid

Two new polymer-based seals for anodized Aluminum: Non-Hazardous, No metals

Applications for room-temperature hard anodizing

Do I have to passivate after mag particle inspection?

Formulation or Citric or Sulfamic acid pickling solution for 12L14?

Masking of keyways when anodizing & electroplating

Pretreatment for ZnTi alloy. 95% Zn, 5% Ti

Low temperature impact on 304L permeability

Shot Blast Aluminum Casting for Dark Color

Plating chrome on a nickel substrate

Want High Residual Stress in Electroless Nickel

Peel off in hard chrome plating after chemical additions

Roughness in Hot Dip Galvanizing Process

Adding sulfuric acid additions while anodizing

Annealing mixed metal jewelry (copper & silver)

Will silver dissolve in cyanide without rectifier current?

Zincate doesn't stick to aluminum bus bar from some suppliers

Plating/Coating/Finishing Metal Charms

Nickel Contamination of Gold Bath without a known source

Q&A's about 'Memory Wire' in Jewelry

What finish is on this antique turn signal actuator?

Is Nickel Strike allowed before Cadmium plating heat treated bearing steel?

Masking for Silver Plating Inside Hollow Aluminum Cylinders

Aqua Blasting before Powder Coating

Building a scintillator. How to get a bright/reflective surface?

Waste Water Treatment of Silica top coats

Emissivity value for Cadmium plated steel and Zinc Plated Steel

Looking for linear grinding/finishing tool practical for non-production use

Anodizing Appearance Problem on Silkscreened Panels

PTFE thin film coating of 316L Stainless steel parts exposed to sulfuric acid

Anodizing seal issue on bead blasted areas

Paint removal in corners of wood door

What types of plating can be done in a barrel?

Copper Plating from an Ammonia Solution

Flow meters to be used in Tin Electroplating line

Micropitting issue chromate conversion coating of Aluminum

How to avoid rust

Trying to make Nickel Acetate D-I-Y

Does bronze corrode Cr-Mo-V steel?

Wastewater: big spike in Carbon Disulfide

Overview table of plating and its properties

Anodized Part Absorbs Grease into Oxide Layer Near Edges

Electroformed Nickel Bellows Annealing Process

Coating for low electrical resistance, but high corrosion resistance and wear resistance

Numerous Type II Aluminum Anodizing Defects: White Spots, Missing Color, Ink Stains

White lines along masked edges when selectively stripping zinc galvanized steel

How to tint headlight metalizing?

How to Analyze Total Solids in Rinse Water?

Powdered metals (Copper) in Los Angeles, CA

Black oxide over cad plated NAS6604 fasteners?

Okay to anodize small loads and largely empty racks?

Pitting in Aluminum Threads after Alodine

Acid zinc plating is dark grey and black

Need conductive material that will bond to stainless steel

Cleaning copper discoloration from baking

Tin Plated Copper parts black smear/residue

Ingredients for chrome

Which pumps & membranes are best for CED bath?

Dip process for brightening aluminum cookware

Chromium in my Anodizing Waste?

Choosing a plastic for nickel plating line installation

Chrome Plating Steel in a Bath Normally Used for Plating Copper

How to determine plating defect vs. plastic substrate defect

Corrosion? on anodized & gold dyed alloy 2024 parts

Purple type 2 anodizing trouble

Suitability of Electroless Nickel for very low service temperature?

Can my jewelry line be vacuum silver plated?

KTL shielding spot technical term

Electroless copper vs. Wood's Nickel strike for stainless steel

Finishing Related Basic English Terminology

Corrosion/calcification of ladders, boilers, and brains

Black colorant/dye for liquid buffing compound

Cathodic Electrophoretic Lacquer -- How to get matte black CED

Red Rust on Nickel Plating over Aluminum?

How to polish aluminum steering wheels

Acid vs. Alkaline Etch before Anodizing or Chem-Filming Aluminum?

Seeking Anodizing Consultant

Increase existing GI coating without re-galvanizing

How durable is the finish on sandblasted aluminum?

Does Plastlina/modeling clay accelerate corrosion of aluminum?

Risks of chlorine in degreasing tanks in Pretreatment line in paint shop

Can sealant surfactants be removed?

Black oxide solution with copper contamination

Black spots on parts after received by customer: fretting corrosion?

Zintec vs. zinc electroplated CRCA steel

Problems in recovering gold from soil

Electrochemical etching of Fe Ni Cr AISI steels for "sandblasted" effect

Caustic Soda Etch Tank Suddenly Causing Intergranular Attack

What is Chemical Brightening Process Standard

Need door handles brushed-nickel plated

Inexpensive In-Process Rust Protection/Plating

Aluminium Bitumen Paint

Fiction stories involving plating

Naming a Finish from its Looks

Need PTFE (teflon) coating of thousand of pounds of wheel nuts

Maximum groove depth in nickel plating with diamond cutting

What is Continuous Gold Plating

Seeking finishing suggestions on vintage receiver restoration

Finish on zinc coated steel coil for prefabricated housing

Soldering issue when using a Silver-bearing Soldering Alloy

Mixing powder coating colors to get a new color

Need shotgun barrel blued

Anodized aluminum is inadvertently scrubbing N2O gas

Want "Battleworn Nickel" on AR-15 parts

Require Iridescent Passivation Solution

Potassium Chloride Shortage for Zinc Plating Is there an alternative?

Metallic Contaminants in Sulfuric Acid Anodizing Bath

Chrome-free galvanized pipe gets black spots

Producing hardened concrete nails

Can't get proper black color on hardcoat anodizing

Get zinc out of 5000 lb mold after cooling

How to "Distress" Chrome Plating

Wastewater Flow Meter Needed

White dots on an anodised finish

Black oxidation layer went off after shooting test

Inconel 718 turns black during pickling only if heat treated

Protecting metal tools from corrosion

Electroforming onto silicone forms

Help with a knife blade turned black

Zinc plating problem

Need to make a silver ring look gold without using gold

Only one of the parts on the rack Hard Anodizes

M.O.C. for nitric-sulfuric tank for stripping silver

Anodizing 0.003" 5052 aluminum?

White powder on anodized finish

Powder Coating tiny blades for fishing lures

Polishing copper and brass

Penetrant inspection per ASTM E-1417

Hot-Dip Tinning Problem: Crystals in molten tin tank

Anodized aluminum has microscopic black dots on its surface

Looking to refinish my 1950s Chambers cooktop

Copper remains on welding clamps despite muriatic acid bath

Chemical conversion coating on top of anodizing

Sulfuric Acid Anodize: Cl, F, Sulfide Limits

What happens when one inhales sulfamic acid dust?

Electroplating without acid pickling

White patches on new hot dip galvanized poles

Powdered metal parts rusting after pickling process

Need Decorative Nickel Plating for Microphone Bodies

Nitric acid drag-in to dye/seal tank

Nickel plating plus rhodium as substitute for silver plating

Strong welding fumes in bathroom

Aluminum corrosion after strippi\nng the anodizing

How to measure amount of Gold used and left in the plating bath?

Convert anodizing line to another process

Designing a plating setup to plate 2" diameter plastic coins

Aluminum PVD on PC Temperature Endurance

Anodizing problem on AA 5052 Alloy

Acid etch (ammonium bifluoride) solids handling

GP concertina wire rusts only when sent to some cities

Q-Panel Envelopes...Where to buy them?

Electroless nickel plating testing with UAN solution

Where to get glass coated abrasive paper?

Linear Positioning Systems for Programmed Hoists

Black stripe on cleaned and annealed cold rolled coils

Anodizing A380 vs. A360

Cleaning the interior of an air compressor tank

Cloudiness on Type III Anodized Titanium Med Screws

How to make 0.1N sulfuric acid

Anodizing a Weldment of Different Aluminum Alloys

How to sell a Plating company in these environmental times

Plating a [Electrodeposition of a] Nickel-Chromium Alloy

Colorful wall-hanging bowls with tie-dye foil look

Nickel Sulfamate Plating is Peeling from Copper

Can Magnetic Jigs/Racks be used for Hard Chrome Plating?

Needed: Plating Company to Chrome Plate to QQ-302B TY I CLASS I

Suitable finish for polished forged mild steel sculpture?

"Eurado" metal finish on 1937 radio

Respirator recommendation for acid copper plating

Silver Plating of Coin Rings

Nickel free cold sealing process for anodized aluminum

Coatings for paper maché coffee cups?

Electroforming on black kyanite isn't adhering

Need to reduce Power bill for infrared oven

Aluminum sticking to zinc coated plates stored in warehouse

County trying to make me get gas insurance

Remove sodium metabisulfite from Nickel Plating bath

Application where both wear-resistance & corrosion-resistance are important

Need silver retrieved from Silver Sure ion exchange liquid

What to do with scrap cadmium plated parts?

Locating a leak in a stainless tank

Need silver plating equipment and process chemistry

Antimony in Lead Cathodes for Type 2 sulfuric acid anodizing

Stainless steel anode baskets for acid electroforming bath?

Impossible to make Zn-Mg-Al ternary hot-dip galvanized steel pipe?

Need spring clips fabricated for fender flares

Weak adhesion of brake lining to Aluminum after Alodine treatment

Bedliner-like coating on my automobile frame

Research paper from 1982: Nitric acid vapor test parameters

Electroless tin on aluminum plus steel problem

Need US-based finishing for our cabinet hardware business

Problems in thick nickel electroforming onto PVC

Repair scratch in black-oxide per MIL-C-13924 Class 1

Anodizing and electroless nickel on same piece

Black Marks on AB Black Nickel after Salt Spray

Is nickel plated cast-iron safe to cook with?

Stainless Steel Sewage Tank and Sulphuric Acid?

Corrosion on electroplating racks with stainless spring steel contacts

Sodium Dichromate Seal Tank Liner Materials and a compatible filter

Nickel plating onto alumina dispersion-strengthened Cu alloy

Nickel thickness measurement: which electrolyte?

Etching of steel texture plates for rolling mill with copper sulfate & salt

Rusting of Hot Dip galvanized steel

Need to hold surface finish on Zinc Nickel plated parts

Zirconium Coating Daimler Standard

Need Tin-cobalt plating

Poor plating adhesion on Remko (high purity iron) material

Ideal Sequence for Alkaline Zinc Plating

Silver brazing flies out of gap between copper surface and nickel plated surface

Stripping Nickel From Invar

Galvanic Corrosion Test for Titanium Anodize (AMS 2487)

Need consultation support of AMS2487/AMS2488 Type II Anodizing Process

Propylene Glycol leak into Sulfuric Anodizing Tank

Hydrogen embrittlement in zinc plating of auto parts from the 1960's

Selective Electroless Nickel Plating or Stripping

Earthing/grounding of parts during paint application

Our nickel plating on copper & brass suddenly started peeling

Need Cadmium Plating per NAS672

316L Stainless is too spring-y

Black anodized parts feel like a chalkboard

Etching Al-Cu PCBs

Electropolishing of Tungsten Carbide

Hard Anodize Tank Design

How to convert synthetic oil perfume to water based perfume

Coating hot tub parts

Zinc rich primers in submerged service on steel ships

We need gold plating consultant

Electroplating of copper onto sputtered gold

What is the difference between electrocleaning and electropolishing?

Ruthenium use in iPhone

Electroplating Copper onto PVD/Sputtered Gold Substrate

HCl immersion time for replating old car parts

How to prevent corrosion of dully powder coated CRCA panels from acid fumes?

Reaction between hot aqua regia and sulphur

Want to learn Geology, Metallurgy, & Fossils

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