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15/27. Tin ceiling restoration 2000 square feet RFQ open to all: Chicago - 3/8/25

238/24. Mixing bright metal & bluing. Turning blued gun silver? - 3/7/25

617/67. Looking for the hardest, unscratchable finish for jewelry RFQ open to all: Idaho - 2/2/25

172/59. Gold Plating a Kalash - 1/7/25

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618/01. Flattening aluminum panels warped by laser cutting - 2/6/25

  82/54. Blasting in lieu of cleaning & pickling - 1/29/25

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517/72. TA/FA for Tri-cationic Zinc Phosphating? - 3/10/25

  53/44. Electropolishing Cost - 2/22/25

  09/60. Best way to blacken zinc phosphate - 12/30/24

340/52. Manganese phosphate coating: issues and answers - 12/29/24

617/76. Mixed metal pretreatment configuration - 12/9/24

  14/04. Electropolishing of silver - 12/3/24

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611/91. Masking for Selective Silver Plating - 3/8/25

618/07. Dual tone nickel + gold electroplating - 2/19/25

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260/36. Passivate per MIL F 14072 E300 - 3/7/25

617/00. Titanium anodizing for multi-color sheets for kitchen cabinets - 2/8/25

617/21. Can Titanium be Anodized in an Aluminum Anodizing Line? Inquirer often helps others, so especially deserves our help - 1/29/25

  90/61. Passivating Laser Cut Stainless Steel Problem - 1/22/25

  12/53. Electrical Properties of Passivated Stainless Steel - 1/6/25

460/41. Electropolishing 4xx / 400 series stainless steel - 12/31/24

309/65. Can't remove old plastic protection film from stainless steel - 12/27/24

  85/05. How to smoothly etch stainless steel materials - 12/26/24

214/37. "Rainbowing" and "Bluing" method for Stainless Steel - 12/14/24

315/41. Electropolishing stainless steel to a 'satin' finish - 12/6/24

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405/35. Gold Spots when Hard Anodizing 7075 Aluminum - 3/7/25

618/17. Carbon Anodizing Cathodes - 3/6/25

  23/07. Color anodizing of die-cast aluminum - 3/6/25

618/15. Chem Film on Aluminum is Cloudy - 3/5/25

339/33. Masking/stripping when chromate conversion and anodizing on same part - 3/5/25

565/81. Rainbow effect / defect on anodized aluminum? - 3/1/25

618/11. Black spots on one side of thread after Anodize and Dichromate Seal - 2/26/25

612/99. White dots on an anodised finish - 2/19/25

274/62. Ultrasonic rinsing after anodizing - 2/17/25

569/17. Alodine not sticking / rubbing off, but only at holes - 2/13/25

222/58. Chromic acid anodized test panels fail only if near bottom of rack - 2/12/25

612/99. White dots on an anodised finish - 2/6/25

617/75. Aluminum in the 1930's: "Deplated Finish" - 1/30/25

173/11. How to do copper plating on aluminum roller? - 1/30/25

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388/77. Surface Roughness in Alkaline Zinc Electroplating - 3/10/25

617/52. Cyanide copper plating on zinc diecast - 3/5/25

618/16. Detecting & Repairing Scratches in Ni Plated Al6061 - 3/5/25

  10/06. Non-cyanide Copper Plating - 3/5/25

325/78. Need a tiny amount of Fumetrol 140 for research RFQ - 3/5/25

618/14. Black Chrome Plater with Large Tanks Needed RFQ open to all: Wisconsin - 3/4/25

327/83. Replating chrome onto existing chrome - 2/26/25

453/31. Chrome plating: microcracking & pits - 2/26/25

321/77. Blisters of sulphamate nickel plating after sintering - 2/26/25

618/09. Need Cad 1 finishing for Restorations RFQ: West Coast - 2/19/25

445/17. HRc hardness of hard chrome plating - 2/16/25

587/01. In electroplating, What is a 'Strike Solution'? - 2/13/25

61804. Need Gold electroplating of item for memorial plaque RFQ open to all: Mesa, AZ - 2/11/25

296/29. Silver plating Trumpets & Musical instruments - 2/11/25

402/43. Plating both outside AND inside of a tube - 2/9/25

618/02. Acid zinc plating: Non coverage problem - 2/7/25

73/94. Surface Preparation of Molybdenum for Ni Plating - 2/7/25

448/04. Reddish discoloration in continuous brush gold plating of wire - 2/6/25

301/01. Sulfur embrittlement of Ni sulfamate platings: azodisulfonate, AUP, "magic stress reducer" - 2/1/25

617/34. Cleaning Porous Pot Cathodes - There's gotta be a better way! Inquirer often helps others, so especially deserves our help - 1/26/25

  53/01. Alkaline zinc plating rundown streaking - 1/24/25

144/61. Hard Chrome Plating on Inconel 625 - 1/21/25

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330/81. How to blacken electroless nickel - 3/4/25

617/24. Silver mirroring puddles on glass, oxidizes at the edges - 3/2/25

618/10. SLA plastics activation for electroless coating - 3/1/25

159/14. Skip plating on ABS-PC when ABS is fine - 2/4/25

168/97. Electroless nickel plating onto stainless steel - 12/12/24

584/27. "Water spots" on electroless nickel plated parts - 11/25/24

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617/90. 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

607/71. High Temperature PVD Coatings - 12/14/24

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618/18. Trapped acid bleeds out from galvanizing - 3/7/25

185/61. Need Consultant for Galvanizing Plant RFQ: Australia - 2/2/25

492/71. Galvanizing flux: Ammonium chloride requirements and analysis - 1/22/25

617/98. Galvanizing: Product Quality Issue with Shipped Containers - 1/22/25

449/78. Galvanizing kettle furnace and burner design - 1/22/25

616/98. Planning a small HDG plant - 1/6/25

568/67. Spotting, Staining, Blackening of Hot Dip Galvanized Finish - 12/31/24

613/16. Hot-Dip Tinning Problems & Solutions: hard tin crystals - 12/6/24

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501/21. Patinas for pewter - 3/6/25

  00/19. Prepping Stainless Steel for Blackening - 2/6/25

191/90. Need Wax for Ebonol C Blackening - 2/1/25

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286/21. Geomet 750 Hp galvanizing - August 6

553/66. Ferritic Nitrocarburizing has red color to it? - June 15

456/18. E-coating over Zinc or Zinc Alloy Plating - 1/10/25

617/82. E-coat throwing power, coverage inside tubes - 12/11/24

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618/08. Emissivity of powder coated steel - 2/19/25

524/55. Actual costing of powder coating in India - October 6

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226/74. Want anti-pit solvent for Electrophoretic Lacquer - 12/4/24

  54/18. Clear Coating Black Oxided Stainless Steel? - November 18

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  18/62. White finish for Stainless Steel Dental Crowns - 3/6/25

617/94. Putting plastisol on zinc plated parts - 12/29/24

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618/03. Sealing over cured Zinc Plating + Chromate - 2/11/25

372/55. Restoring the yellow dichromate finish on automobile carburetors - 1/19/25

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  07/96. Hydrogen embrittlement baking was interrupted - 2/6/25

  13/97. Solder is de-wetting in hot oil bath - 2/3/25

415/78. Hydrogen Embrittlement Failure. Need Details for Chromium Plating Baking - 1/30/25

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297/78. Stripping chrome plating Q&A, Problems & Solutions - 12/23/24

617/54. Zinc Phosphate stripping for coating weight - 11/25/24

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  8904. Salt Spray Hours vs. real life exposure - 3/11/25

617/97. Need Lab Help with Stainless Product Development - 1/7/25

442/93. On line analysis of chrome concentration? Inquirer often helps others, so especially deserves our help - 12/21/24

547/76. Caustic Etch Analysis -- aluminium anodizing - 12/18/24

328/38. Analyze Chrome Plating Bath; Determine sulphates - 12/9/24

45510. Analysis of potassium carbonate in cyanide plating bath - 12/3/24

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617/85. Spot test for cyanide in waste water - 1/26/25

617/46. Determining if WWT sludge is hazardous? - October 9

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208/58. Toxicity of stainless flatware - 2/26/25

110/17. Safety of Drinking D.I. Water - 12/18/24

617/83. Safety of "Chrome" Vinyl Wrap - 12/15/24

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  51/49. Feed & Bleed System for HCl Tanks - 3/10/25

618/06. Bus Bar vs. Cable for 2-Step Electrolytic Coloring - 2/17/25

493/68. Making Dummy Cathodes for a Plating Bath - 2/17/25

219/57. Can we have a clean silver plating plant without acid? - 2/6/25

617/93. Learn more about automatic electroplating production lines - 12/28/24

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476/74. Does MIL-STD-186F require litmus test of trivalent chromated surfaces? - 2/27/25

461/40. Boeing Chloride Limits for Nickel Sulfamate Plating Bath? - 2/5/25

240/21. Nitric acid: Are the volume ratios in passivation specs based on 100% Nitric Acid? - 1/24/25

618/00. Meaning of "Zinc electrolyte plating + leaching"? - 1/16/25

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617/66. What is Black Luster® Finish for Fasteners - 12/12/24

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617/77. 3d printed Inconel 718 part turns blue in vacuum heat treatment - November 16

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418/91. Recover gold from gold plated stainless steel wire - 1/14/25

  50/48. Extracting Gold from Computer Circuit Boards? - 1/5/25

319/63. Remove tin plating from copper pots, trays, cookware, etc. - 12/15/24

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402/28. Electroplating onto glass like iPhone screens - 3/10/25

  70/22. How to strip plated silver off of copper collectibles - 3/7/25

336/17. Is headboard "brass" or what; how to clean and refinish? - 3/5/25

  49/13. Do It Yourself Nickel and Copper Plating - 3/5/25

410/16. Electroless gold plating solution - 3/5/25

  07/57. National Cash Registers: How to Restore & Refinish - 3/4/25

103/66. Dirigold/Dirilyte: How to Polish Bronze Flatware - 3/1/25

559/51. Home nickel plating with vinegar & salt - 2/16/25

497/79. Silver plated trays and silverware: What is the base metal? - 2/9/25

  02/83. Finishing of Kenrick 19th century cast iron - 1/24/25

565/54. Acid Zinc Plating Brightener Q&A - 1/18/25

268/45. Chip on Gloss Black Gas Stovetop - 1/15/25

611/46. Dumbbells have white corrosion on them - 1/14/25

617/99. Hobbyist Copper Plating on 3D Plastics: Help Fine-Tuning It - 1/8/25

617/96. Electroplating bath plates Nickel or Copper depending on voltage - 12/30/24

617/95. Need food-safe pliers - 12/30/24

  12/15. Lead-free Antiquing Wears Right Off - 12/28/24

209/88. Restore silver damaged by peroxide - 12/28/24

309/65. Can't remove old plastic protection film from stainless steel - 12/27/24

344/65. Pre-coating for sublimation transfers onto ceramic - 12/27/24

611/11. Brass Threshold Turned Silver from Polishing - 12/12/24

236/53. Model railroading: Effect of oxidation of nickel silver on its conductivity - 12/6/24

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618/05. Need 20µ gold or silver coating on 50µ dia. spherical magnets RFQ open to all: Southampton, UK - 2/17/25

  00/98. Electroplating (Electrodeposition) of Niobium - 12/26/24

617/86. Adding Fe/Cu to Hard Chrome Plating Bath as DOE? - 12/15/24

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  65/07. Benzotriazole and substitutes for brass corrosion control - November 16

617/50. Forcing a white patina on zinc for watch dials - October 11

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238/97. How to identify old cast iron floor lamp? - 3/3/25

439/83. Is this ore/rock Platinum, Palladium & Rhodium? A meteorite? - 2/22/25

557/67. McClary Easy Polisher Scrubber Buffer Pads - 2/18/25

358/58. Extracting elemental titanium from Titanium Dioxide - 2/17/25

161/89. Restoring Comstock Castle cast iron stove - 2/9/25

548/90. Theda Sterling Silver Medals, Crosses, Jewelry Q&A - 2/5/25

293/70. Identify "STN" Hallmark on Necklace - 1/29/25

128/73a. Removing Silica Water Stains - 1/24/25

243/59. Barber Chair Restoration Q&A's and Successes - 1/24/25

190/39. Need Legs for Martin Wood Stove - 1/15/25

258/52. Fixing scratched glass - 12/18/24

324/13. Need sweet spirits of nitre (the traditional folk medicine) - 12/4/24

190/39. Need Door for Kalamazoo Stove RFQ open to all: New Jersey, USA - 12/3/24

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