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Coloring Nickel Plating - 5/1/26

Finishing Process for Zamak - 2/13/26

Starting a small zinc plating business - 1/25/26

Zinc oxide production: French process vs. Cyclone Method - 12/21/25

Reddish brown coating on hand tools - 10/1/25

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

Compatibility of aluminum and brass - 5/16/25

Aluminum posts embedded in concrete - 5/13/25

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Zinc die castings get black spots from vibratory finishing - 1/9/26

Sturgis Finishing - F30 5/16" x 5/16" Pink Pyramid - 12/2/25

Problems Blasting Stainless Steel - 11/6/25

Pretreatment of hot rolled steel for Electroplating - 11/6/25

Rust reappears after sand blasting - 11/6/25

Deburring of Aluminum components - 9/7/25

What is Shot Peening? - 8/4/25

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

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Remove white hue from machined black ABS - 5/21/26

Manganese phosphate coating: issues and answers - 4/21/26

Electropolishing / electro-chemical polishing bath for silver - 1/28/26

Ultrasonic Cleaning Causes Leopard Spots (brass & stainless steel) - 12/19/25

Etching Copper PCBs & Designs - 12/10/25

Starting acid dip stripping for classics - 12/2/25

Continuous coil degreasing -- White/brown spots/patches on startup - 11/3/25

Ash Marks in Zinc Phosphating - 9/1/25

Rust Formation Post Phosphate Pressure Wash - 8/19/25

Yellow to brown stains after zinc phosphate - 8/19/25

Zinc Phosphating Problems & Solutions - 8/5/25

Need Zinc Chloride Wash Station RFQ open to all: Illinois - 6/2/25

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Pull-through Masking plugs - 4/24/26

Masking During a Zinc Phosphating and Powder Coating Process - 7/23/25

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

Masking for Selective Silver Plating - 3/8/25

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Required Current Density for Electropolishing - 11/21/25

Passivating a nickel-plated part - 10/6/25

Electropolishing surfaces instruction - 10/2/25

Titanium coating on titanium - 9/21/25

Coloring Titanium in an Aluminum Anodizing Line Inquirer often helps others, so especially deserves our help - 9/20/25

Electropolishing and Chemical Etching Processes for Cobalt Chromium - 7/16/25

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Trouble with Iridite 14-2 on 2024 - 5/21/26

White Powder/Salts on Anodized Aluminum - 5/16/26

Can sealer contamination contribute to white spots? - 4/24/26

Burning damage during anodizing - 4/22/26

Black anodizing after shot blasting is matte - 3/28/26

Should TCP Trivalent Chromate Bath Be Filtered? - 3/20/26

Foam Layer Growing on Anodizing Bath. - 3/10/26

Color Anodizing Titanium: 'First Blue' vs Second - 2/14/26

Hardcoat Anodizing a Fixture Plate with 4000 Tapped Holes - 2/14/26

What is TSA Anodising - 2/13/26

Our Black Anodize Is Now Coming Out Blue or Brown - 2/11/26

My anodizer says they can't rack my part - 1/26/26

Black anodizing after shot blasting is matte - 12/16/25

Boric-Sulfuric Acid Anodizing (BAC5632) Problems & Solutions - 12/11/25

Anodizing after Overmolding -- Tank Contamination from Plastic - 12/11/25

How to Silver Plate Aluminum - 12/10/25

Temperature limit for MIL-DTL-5541 chromate conversion coating - 12/9/25

New Rectifier, Can No Longer Hard Anodize 2XXX Aluminum without Burning - 12/9/25

Coatings/Finishes/Platings for aluminum heat sinks - 12/4/25

Black anodizing is purple not black - 11/10/25

Teflon Coating/Impregnation of Anodized Aluminum - 11/7/25

Aluminum Welding Porosity -- Caused by Etching? - 11/6/25

Aluminum Sheetmetal Warping after Anodizing - 11/5/25

Cloudy surface after clarification in nitric acid - 10/22/25

Finishing to meet 1000 hrs Salt spray Testing on Aluminium DIecast - 10/20/25

Chemical polishing defect (anodizing) - 10/3/25

Type 2 anodize color consistency - 10/3/25

How to Keep Anodized Aluminum Unsealed - 10/1/25

Black/gray pitting after anodize - help? :) - 9/29/25

Chem Film Rework plan - 9/20/25

Aluminum Anodizing flakes off after heating to 125 °C - 9/17/25

Clear Anodized 6061 -- Black Pitting in Bore - 9/13/25

3-D Printed Aluminum Won't Anodize Black - 9/9/25

Magnesium electropolishing and annealing - 8/21/25

Phosphate Contamination in Nickel Acetate Seal - 8/18/25

Clear anodize has a yellow tint - 8/13/25

Rainbow effect / defect on anodized aluminum? - 8/5/25

Aluminum in the 1930's: "Deplated Finish" - 7/18/25

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

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Hard Chrome Plating Aluminum Printed Parts - 5/13/26

Copper Plating on Bronze Has Poor Adhesion - 5/6/26

What type of plating is this? - 4/22/26

Silver Plating on Tellurium Copper - 3/30/26

Problems in 14k gold plating solution - 3/19/26

Problems in cyanide copper plating - 2/13/26

Old Gold Plating Solution Available RFQ open to all: New York - 2/12/26

Formulating a Non-Cyanide Gold Plating Solution - 2/11/26

Silver plating on resistor terminal is oxidizing - 1/29/26

Copper plating -- Roughness in acid copper on gravure cylinders - 1/28/26

Using Copper Oxide for Electroplating - 1/26/26

Zinc plating of SS without Woods nickel - 1/8/26

Watt's Matte Nickel Is Suddenly Bright - 1/5/26

Pitting problem in bright nickel plating bath - 1/5/26

Nickel Plating Adhesion Problems & Adhesion Testing - 1/5/26

Plating zinc diecast (Zamak-3): Process sequence? - 12/14/25

Acid Copper Plating: issues & problems - 12/10/25

Black Nickel Plating without Black Salts Available - 12/9/25

Need Gold Plating of SS appliances RFQ open to all: Baltimore - 12/4/25

Inspection of Zinc Nickel plating - 11/10/25

Plating gold directly onto brass - 11/5/25

Corrosion of zinc plating after 55 days in transit - 11/3/25

Delayed blistering of plated diecast parts - 11/2/25

Porosity Problems in Hard Chrome Plating - 10/26/25

Extreme LCD problem, Ni strike & Ag cyanide don't cover - 10/19/25

Raising tensile strength in Nickel Sulfamate bath 3rd Rqst - 10/18/25

Need CAD finish RFQ open to all: Salem Virginia - 10/14/25

Gold peel-off over high phosphorus electroless nickel - 10/10/25

Sulfamate nickel plating bath problem with growths - 10/10/25

Electroforming with Brass RFQ open to all: Vadodara India - 10/10/25

Recubrimiento acero alto carbon / Coating high carbon steel - 10/10/25

Zamac with high porosity; process is not able to cover the pores - 10/3/25

Acid Zinc Plating is Shiny & Bluish - 10/3/25

Egg Albumin concentration as electroforming separation aid? - 10/1/25

Plating Pd or Au on smooth polyimide film RFQ open to all: Minnesota - 10/1/25

Using Pre-Plated BeCu - 10/1/25

Boric Acid and Nickel Plating - 9/24/25

Ni-Cr Plating on Diecastings Blistered - 9/23/25

Black spots after copper coating - 9/22/25

Need solar absorber coatings -- black chrome or blue sputter coat RFQ open to all: Colorado - 9/21/25

Can you rework an ID on a titanium part by plating? - 9/20/25

Gold plating of 440A - 9/10/25

Random growths dots on Hard Chrome plating in HCD area - 9/9/25

Need Phosphor Bronze Plating Service RFQ open to all: California - 8/27/25

Copper is spontaneously depositing on rotogravure cylinders - 8/21/25

Tin plated parts are turning black - 8/14/25

Copper plating onto Silver isn't adhering properly - 8/6/25

Nickel-boron plating pitting problem in MEMS probe card - 7/31/25

Alkaline Zinc Barrel Plating -- Suggested current & time - 7/23/25

Copper plating steel grounding (earthing) rods - 7/23/25

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

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 - 5/9/25

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

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Immersion gold plating - 5/9/26

Electroless Zinc Plating - 2/14/26

Electroplating ABS-PC leaves skips & overlaps at parting lines - 11/29/25

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

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Can't get rid of anodizing sealing smut - 11/15/25

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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Spotting, Staining, Blackening of Hot Dip Galvanized Finish - 5/13/26

Is Double Salt Flux Causing Huge Zinc Consumption? - 5/7/26

How to Weld Galvanizing Kettles - 4/3/26

Pot roll ceramic bearings - 3/30/26

Galvanizing Without Rinsing - 1/23/26

Eliminate foam in galvanizing line - 10/17/25

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

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Cold Bluing / "Room Temperature Blackening" Problems - 4/22/26

Black oxide Activator? - 11/25/25

Gunsmith Blueing / Hot Bluing of Firearms - 10/6/25

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Nitriding/QPQ Assistance Please - 8/4/25

Geomet 750 Hp galvanizing - 8/6/25

Ferritic Nitrocarburizing has red color to it? - 6/15/25

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Runs/sags & yellow stains in trunk & gutter areas - 4/25/26

White spots in CED coating - 4/23/26

Pin holes in CED e-coating - 2/20/26

Electrodeposition/e-coating (CED) issues & problems - 12/6/25

How to Increase DFT Paint Thickness in Cathodic Electrodeposition (CED) system? - 10/25/25

Foam deposition on E-Coat/CED Parts - 7/24/25

CED coating process questions - 7/16/25

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Pinhole problems in powder coating - 1/26/26

Checklist for Powder Coating Preventative Maintenance - 9/10/25

Powder coating as maskant for Class I EN plating - 8/18/25

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

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

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

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Chromate for Tin-Zinc Alloy Plating - 5/21/26

How to achieve Brown Zinc Chromate finish? - 4/25/26

Chromate on Zinc -- Formula for Blue Passivation - 12/20/25

Improve Shelf Life of Anodising or Stannous Sulfate - 11/5/25

Anti tarnish for copper coating on imitation jewellery - 11/26/25

Black zinc plating/chromate turns green - 9/11/25

Olive drab Chromate Coating - 6/6/25

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9 kt gold solder composition - 5/5/26

Hydrogen Embrittlement of Zinc Plated Wishbones? - 9/9/25

Hydrogen Embrittlement in Plating - 4/28/25

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Remove copper & tin from steel with room temperature solutions - 5/6/26

What to use as anodize remover/stripper - 5/3/26

Stripping chem-film from aluminum - 5/2/26

Remove rhodium plating from gold -- Is Rhodium plating reversible? - 12/9/25

Stripping Nickel From Kovar - 7/25/25

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

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UV-Vis Spectrophotometry for Plating Bath Analysis - 5/3/26

XRF vs Eddy Current for Zinc Plating on Steel Thickness Measurement Inquirer often helps others, so especially deserves our help - 2/12/26

Analyze Chrome Plating Bath; Determine sulphates - 12/9/25

Ferric chloride etch -- titration / analysis issues - 11/28/25

Analysis of nitric-hydrofluoric aluminum etching mixture - 11/13/25

Zinc coating thickness vs. salt spray resistance - 9/23/25

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

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Need Ion Exchange Recovery System for Nickel RFQ open to all: Wisconsin - 5/21/26

Water treatment chemicals for metal finishing: Sharing experiences and case studies - 1/28/26

Wastewater turning black with high nickel numbers - 11/29/25

Removal of Ammonia from Wastewater - 7/23/25

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

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Is Aluminum Anodizing Reach & RoHS compliant - 3/30/26

Cr+6 in Fumes from Welding Stainless Steel - 1/28/26

Is Thai bronze flatware safe - 12/2/25

Chromium III vs Chromium VI Plating processes - 11/17/25

Is boric acid toxic? - 8/18/25

Health risks of smoking near nickel plating solutions - 7/28/25

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Paint Booth Air Flow guidance - 5/21/26

Small parts barrel plating cylinders: Freeloader? - 5/1/26

Hanson - VanWinkle - Munning (H-VW-M) / M & T Chemicals memories & memorabilia - 2/18/26

Sulphuric Acid LR Vs CP grade - 1/9/26

Barrel plating dangler problems and alternatives - 12/11/25

Need Racking Machine - Endura - 10/10/25

Algae, and Ventilation of Boric/Sulfuric Anodizing BAC5632 Inquirer often helps others, so especially deserves our help 2nd Rqst - 9/25/25

Brass V-blocks Overheating During Chrome Plating - 9/21/25

Barrel plating dangler problems and alternatives - 9/13/25

Can Polypropylene Tanks Cause EN-P Adhesion Issues? - 11/1/25

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

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Cadmium plating specifications query - 1/5/26

Specification DS30000 - 7/23/25

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

Specification VW 13750 - 5/13/25

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

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Do Cadmium rust compounds glow orange/pink in UV? - 1/23/26

Bright Annealing of 21-6-9 Small Tubular parts and discoloration on the ID - 10/18/25

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

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Is this ore/rock Platinum, Palladium & Rhodium? - 12/10/25

Recycling gold from scrap PC boards - 10/15/25

Iridium Extraction from Coated Titanium Anodes - 8/5/25

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

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Pennies stamped on dime blanks - 5/18/26

Chrome plating is peeling from ABS - 5/18/26

Fixing scratched paint on refrigerators and stoves - 5/16/26

Restoring oil-rubbed bronze finish on sink drain - 5/1/26

Remove paint from old National Cash Register - 4/25/26

Effect of chloramines and residual NH3 on residential copper piping? - 3/21/26

Looking for Green Engraver, or parts and manuals - 3/21/26

Remove rust from zinc plated steel without damaging the plating - 2/16/26

How to nickel plate aluminum with good adhesion? - 2/15/26

Wrinkle Paint: How to make or where to buy - 12/13/25

Cleaning Solution Ruined Lion Paw Clock Feet - 12/2/25

Can vinyl decals go between the base coat and clear coat? - 11/17/25

Nickel Plating Antique Wood Stove is Unsuccessful - 10/14/25

Brass electroplating for amateurs & students - 10/10/25

Steelcase Tanker Desk Restoration Tips - 10/5/25

304 Stainless Steel heat coloring inconsistencies - 10/1/25

Need Gillespie Antique Restorer - 9/27/25

How to tell whether its blued or painted - 9/27/25

Removing oxidation from bronze gravemarkers - 9/13/25

Damaged finish on copper table - 9/3/25

Green bubbling from silver plated brass cane handle - 8/21/25

Need info on zinc brightener - 8/18/25

Protection for outdoor sculptures and statues - 8/6/25

Sawdust Patination Technique for Large Objects - 8/6/25

Painting cast iron fountains, Restoring rusty fountains - 8/3/25

Nickel plating my Taurus pt92 AF - 8/3/25

Penny isn't copper color - what do I have? - 7/26/25

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

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Recover thin sheets of copper from recycled copper - 11/13/25

Chemical Drop/Black Spot on Alkaline Zinc Plated Part - 9/8/25

Pure Cobalt Plating Problems & Solutions - 8/21/25

How to Calculate Plating Rate (Faraday's Law) - 7/31/25

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

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Electroplating science fair project - 3/22/25

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How to darken pennies over the whole spectrum - 4/24/26

Green Titanium Anodizing (Grade 5) - 11/15/25

Restoring a Bronze Statue RFQ open to all: Maryland - 9/9/25

Protecting copper work for a gallery exhibition - 9/1/25

Need gold plating of small objects RFQ open to all: Brooklyn, NY - 8/7/25

Emmy is corroding and flaking - 5/5/25

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>Hoyt Metal bars -- looking for info! - 3/30/26

Marks on rings: Marking system for rings - 1/28/26

Need Base Ring for Padar Barber Chair RFQ open to all: 2nd Rqst - 12/10/25

Buy new vs. vintage Stiffel floor lamp? - 12/2/25

Toxic effects of boric acid on animals; from ants to feral cats - 9/17/25

It's not a lamp base, it's a font holder - 9/9/25

Need sweet spirits of nitre (the traditional folk medicine) - 8/20/25

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

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

Copper Tubing v. Black Iron for Natural Gas? - 6/16/25

Antique Icebox & Refrigerator Discussion - 6/9/25

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