Category: "Electroplating & Electroforming"

617/91. Gold Plating thickness variation - 12/28/24

429/81. Cost of Metal Plating - 12/22/24

559/01. Gold plating color change - tarnish problem - 12/21/24

617/84. Nickel & Chrome Plating Rusts in 8 Hours - 12/21/24

617/81. Zinc plating & trivalent black chromate gives poor salt spray hours - 12/19/24

490/09. Chrome Bath Help: Chrome to Acid Ratio - 12/14/24

126/37. Zinc plating on copper Q&A, Problems & Solutions - 12/12/24

158/09. Zinc plating with black Trivalent Chromate Fails Salt spray - 12/7/24

  38/92. Ti-Cd: Bath concentration okay, but weight percentage of Ti in plating is low - 12/3/24

540/61. Copper Pyrophosphate Plating for DMM Recording Disks - 11/28/24

61647. Complete Process for Cleaning, Cu, and Ag Barrel Plating - 11/28/24

288/51. Zinc-nickel plating makes metal dust when crimping - 11/27/24

617/25. Hard chromium plating rate is way low Inquirer often helps others, so especially deserves our help - 11/27/24

617/68. Cyanide Copper & Stannate Tin Process Questions - 11/25/24

236/32. Tin Plating Problems: black spots - 11/25/24

323/63. Acid zinc plating Anodes Q&A - November 19

617/71. Cadmium Density vs. Plating Speed Inquirer often helps others, so especially deserves our help - November 15

617/61. Nickel-Cobalt Electroplating - October 31

617/03. Tri-chrome chloride bath stain - October 30

318/16. Electroplated gold turns red - October 30

617/49. Need parts plated to GM-6164M RFQ open to all: Jackson, MI - October 15

424/47. Egg Albumin Is Staining Nickel Electroforms - October 13

61752. Cyanide copper plating on zinc diecast - October 13

617/48. Purple Color on Filter of Gold Cyanide Plating Bath - October 9

61740. Can We Chrome Plate Super Duplex S32760 - October 9

616/86. Zinc Plating Peels Off Stainless Steel During Crimping Process - October 9

552/25. Alkaline zinc plating problem: Black dots/spots - October 8

128/79. Rack mark / jig mark problems in electroplating - October 8

340/23. Nickel-Chrome plating on Brass Problems - September 29

617/20. Hard Chrome VI plating throwing power problem Inquirer often helps others, so especially deserves our help - September 23

616/15. Zinc plating with blue passivation is yellowish at holes - September 23

616/03. Zinc Plating has white & red rust without a cause - September 23

133/56. Zinc Plating of 12L14 Leaded Steel - September 23

617/38. Acid Zinc Plating Bath White Appearance - September 21

591/81. Need Electroplating on 3D Printed Jewelry RFQ open to all: San Diego, CA - September 17

617/29. Is This a Chrome Plating Defect? - September 17

122/43. Black Spots when Tin Plating Brass - September 9

617/22. Lead plating of umbrella wires/tubes - September 7

526/02. Grayish black spots over time in zinc plating - 8/28/24

617/17. Separating copper and nickel for optics - 8/28/24

617/13. Accidentally Put Dechrome in Chrome Plating Tank - 8/21/24

617/10. Fluoborate Copper plating process - 8/21/24

617/09. Plating blisters observed on tin finish after annealing - 8/21/24

617/02. Zinc-Nickel Plating -- Dark Deposit in LCD Area - 8/5/24

  15/03. Platinum Plating: How to Determine Replenishment - 8/3/24

61694. Hazy white tips on long pins (alkaline zinc plating) - July 31

  2964. What is a Wood's nickel strike? - July 31

61696. Diamond plating on Aluminium - July 30

51179. Alkaline copper plating contaminated with phospho copper - July 22

61683. Cyanide Gold plating Q&A - July 15

61684. Constant current platinum plating -- why does voltage vary? - July 5

61680. Using Zinc Cyanide as Sodium Cyanide Replacement in Cadmium Plating - July 2

11172. Brighteners for acid copper plating - June 21

56121. Sulfamate nickel plating on copper is dull and milky - June 15

56272. Copper plating onto Silver - June 15

61647. Want Consultant for Copper & Silver Barrel Plating on Stainless Steel RFQ open to all: Manila - March 3

15218. Can Sulfur Free Nickel Crowns Replace S-nickel? - May 30

61587. Black stain spots in satin chrome, plus burning - May 28

48074. Hard chrome plating problems 2nd Request- May 27

61662. Stannous sulfate turns brown in storage - May 22

61657. Electro-purification (dummy) methods for electroplating tanks - May 20

33774. Gold plating on sterling silver, Vermeil - May 16

26738. Silver Plating & Brighteners Q&A - May 14

61666. Cast Iron Dies Won't Re-Chrome - May 9

3025. Pitting in acid tin plating - May 6

37167. Nickel plating: Can't Get Enough Thickness - May 6

  2454. Gold potassium cyanide gets cloudy below 3.9 pH - April 13

58336. Cadmium Cyanide Plating is Yellow instead of Olive Drab - April 12

58298. Oil mark issue in satin nickel plating - April 5

  2797. Nickel Striking/plating on stainless steel problems - March 24

52562. Color gold/color gilding: Rose/pink/brown gold plating methods & issues - March 20

55624. Zinc plate steel wire then draw it, or draw it then plate it? - March 20

30106. Zinc plating thickness vs. salt spray resistance - March 10

61645. Classification for evaluating corrosion in salt-laden atmosphere - March 1

  0350. Nickel & Gold Plating peels off of Tungsten-Carbide - March 1

61634. Voltage spikes and amperage drops in Cu-Sn plating - February 27

39520. Copper exposed on parts that are supposed to be nickel - February 26

61640. Spotted cadmium - February 19

40169. Tin plate Blistering - February 19

25163. Expired Lead Frame effect on Plating Quality - February 2

  9144. Scratches on Hydraulic Cylinders: Mechanical Damage or Plating Defects? - February 1

38475. Alkaline Non-Cyanide Zinc accumulates Zinc oxide or other material at bottom of tank - January 29

28127. Alkaline zinc plating thickness - January 28

61621. Blue spot/growth on a silver plated component - January 16

61628. Surface Area Calculations for Rough Castings - January 4

29547. Problems copper plating gravure cylinders

29662. The Role of sulfuric Acid in Copper Plating - December 30

26738. Silver Plating brighteners Q&A

34440. Formula or recipe of Zinc brightener - December 18

61622. Removing discoloration patches from nickel plated brass - December 13

56583. Repair of hard chromium plated parts

50709. Acid Zinc Plating turns gray in 3 months - December 9

61616. Brass Hull Test Panel Cathode Cleaning - December 8

61563. Silver plating with Auxiliary Anodes - December 8

61617. Need silver plating on 13K per year 2" dia x 73" long aluminum bars RFQ open to all: Jackson, MS - December 6

61604. Adhesion No Good for Nickel Plating on Neodymium

61612. Zn25 vs ZnNi12 - Expected lifetime for marine indoors

25432. Zinc-Nickel Plating and Chromating Problems & Solutions

24309. Carbon treating silver plating solution with activated carbon cartridges

33386. Roughness in copper-nickel plating on zamak - November 13

  5106. Tin Plated Parts are Turning Black

61598. Cadmium Cyanide adhesion issue

47026. Chrome plating and coefficient of expansion - November 8

  5101. Want to find an alternative chrome plating process - November 1

61594. Unusual behaviour of thief wire in chrome plating

44143. Chrome plated engine valves nodular and peeled in one area

10051. Brass plating is tarnishing and turning black

39912. Black Passivation and Black Trivalent Plating - October 22

43916. Cyanide spots and stains in brass plating - October 15

27192. Facing issues with air locks! - October 14

28851. Zinc-Nickel Plating very thin in some area of padbolts

  2406. It takes an hour to zinc barrel plate in ammonia chloride

  6132. Do We Use DuNuöy Ring or Wilhelmy Plate Tensiometer for Chromic Acid?

49988. What are these crystals on cadmium plated parts? - October 7

• Nickel plating peeling problem - September 27

• 'Skip' problem when doing black passivation in stainless steel baskets

• Formula for Woods Nickel Strike - September 21

• Yellow shade in decorative chrome plating - September 20

• Copper plating staining & oxidation problem, bright dip fails

• Nickel adhesion to silicone

• Zinc plate rubs off on thumb - September 7

• Chrome plating of zinc die castings -- Problems & Solutions

• Preventing Tarnish on Gold Plated Brass

• Black spots/patches in acid zinc barrel plating - August 21

• Platinum Plating with P-salt

• Black spots on welding cords after Zinc-Nickel plating - August 18

• Gold plating attacked by stainless steel passivation process? - August 17

• Nickel plating cost calculation - August 16

• Want electroforming machine to make gold jewelry

• How to remove Zinc contamination from Nickel plating bath - August 5

• Nickel-chrome plating has white patches that grow with time

• Brass anodes are polarizing

• Brass Plating Q&A's, Problems & Issues

• Satin nickel plating problems Q&A

• Cyanide zinc electroplating problems

• Micro Porosity of Substrate a Major Setback for Hard Chroming

• Acceptance criteria after zinc plating and salt spray test

• Nickel plating / striking on stainless steel

• Hydrogen Embrittlement Failure. Details for Chromium Plating

• What is dog bone and what causes it?

• Copper plating hardness is dropping

• Zinc Dust treatment of alkaline zinc plating solution

• Wood's Nickel Strike Bath Analysis & Maintenance

• Silver plating thickness distribution problems

• Surface roughness after hard chrome plating

• Effects of bath contamination in tin plating, limits for metallic impurities?

• White Rust on Zinc Plated Bolts after 19 hrs neutral salt spray

• White Bronze Plating: an alternative to nickel

• Tin plating on Aluminum: copper and tin diffuse together

• Problem in Acid Chloride Zinc Plating: parts get cloudy after a few days

• Acid Copper Plating Problems Q&A

• Pitted zinc-nickel plating

• Alkaline zinc continuous wire plating

• Dull Nickel Plating Bath Q&A, Problems & Solutions

• Copper plating steel grounding (earthing) rods

• Iron Plating problems (Electrodeposition of Iron onto other materials)

• Plating zinc onto stainless steel?

• Formulation for blue nickel plating

• Applying a color onto a Zinc Die Casting

• Understanding Duplex & Triplex Nickel Plating Process

• Sulfite gold plating -- Problems & Solutions, Q&A

• Hard Chrome Plating Failures on Boat Lift Hydraulic Cylinders

• Discoloration and blackish marks on cyanide copper

• Black spots in cyanide copper plating

• Cracks on hard chrome plated spools

• Repair gravure cylinder with brush plated copper

• Plating zinc diecast (Zamak-3): Process sequence?

• Parting/passivation Agents to Keep Electroforms from Sticking to Cathode/mandrels

• Chrome Plating Problems on Gravure Printing Cylinders/Rolls

• Tarnishing of tin plating

• Hydrogen embrittlement in cadmium plating

• Plating conductive microfibers embedded in ABS

• Anode to Cathode Ratio. Nickel Buildup In Bright Nickel Solutions

• Want very dull nickel plating on brass jewellery

• Alkaline Zinc Plating Problem: Delayed Blistering on Steel Parts

• Current required in hard chrome plating?

• Black Zinc-Nickel Plating has poor corrosion resistance

• Chloride Nickel Plating is black and burned.

• Zinc Plating on 12L14 carbon Steel (Blistering & Flaking Problems)

• Small parts coupling together in MSA Sn (Tin Plating) bath

• Nickel plating on aluminum contains phosphorous

• Rough Titanium Cadmium plate

• My acid copper plating bath is very slow

• Nickel plated sockets are cloudy/milky without a copper preplate

• Partial Plating of Chrome on copper base cylinder

• Zinc plating with chromate: is temperature causing the corrosion?

• Platinum plating on silver Q&A Problems & Solutions

• Brighteners used in Silver Plating bath

• Blisters in Nickel Plating after Heat Treatment

• Need Ductility in Nickel Electroplate

• Nickel Carbonate not Dissolving

• Wood's Nickel Strike Bath Analysis & Maintenance

• Brass plating peels off -- Q&A, Problems & Solutions

• Non uniform thickness problem in electroplating

• Gold isn't bright when plating leaded stained glass

• Chrome thickness variations on gravure cylinders

• Choosing Plating Rectifier Voltage & Current

• Zinc plating thickness vs. salt spray resistance

• Nickel Electroplating is peeling off Stainless Steel

• Alkaline zinc plating rundown streaking

• Zinc-plate appearance problems (white, powdery, rough surface)

• Non cyanide copper plating Q&As / Problems & Solutions

• Activating old Nickel plating for Replating

• Peeling problem in reel to reel plating

• What Part Does Voltage Play in Electroplating?

• Hard Chrome Plating Failures on Hydraulic Cylinders

• What is the Corrosion Life of Nickel Plated Components?

• Nickel plated stainless steel batteries getting pinholes

• Tin plating: how to improve Salt Spray hours?

• Gold plating rubs right off!

• Very large black rack marks in Zinc-Nickel Plating

• Alkaline Zinc Plating Q&A's, Problems & Solutions

• Plating time too long (acid zinc)

• Heavy parts chrome plate well; light ones don't

• Nickel plating Inconel Q&A: Bumps in low-stress nickel

• Silver plating delaminates from copper parts but not brass parts

• Relationship of Plating Thickness to Current/Amperage

• ISO a Metal Plater with loooooooooong tanks! 2nd Rqst, open to all RFQ South Florida - January 7

• Why is chromium failing?

• DI water stains Nickel plated surface

• Nickel and Gold Plating onto Bronze Workpiece

• RoHS Zinc Plating of Machine fasteners and Bolts

• Electroforming onto silicone forms/mandrels

• Zinc Plating / Electrogalvanizing Mild Steel Wire

• How to make platinum pen plating solution?

• Plating Thickness variation in hard chrome plating

• Tin plated parts turn yellowish

• Conductive Black Coatings: black zinc

• Platinised titanium anode turning black?

• Our nickel plating is white and milky

• Want plant for Plating zinc diecast

• Need highly Conductive Zinc-Nickel Plating after Chromating

• Nickel Anode Disintegration

• Tin Cobalt plating problems

Delayed black spots (peeling?) in zinc plating

• Unwanted chrome plating build-up on sharp edges

Nickel Plating defect: white patches

• How to calculate the current density for all plating baths?

• Satin nickel plating problem

• Tin over nickel on aluminum bus bar turns black

• Problem in Acid Chloride Zinc Plating

• Calculating zinc consumption in acid zinc plating

• In Search of a Metal Plater with loooooooooong tanks!

Bright silver doesn't blister in diffusion bake, but blisters upon 2nd bake

Tin plating solution is turning grey

• Can applying a strike solution reduce the usability at high temperature?

• Trivalent Chrome Plating Q&A's, Problems & Solutions

• Tin plated parts are turning black

• Pitting in hard chrome plated steel

• Why does dummy plating work?

• Zinc Plating Internal Threads: dimensional changes & coverage issues

• Nickel Electrowinning Q&As, Problems & Solutions

Alkaline Zinc Plating Q&A's, Problems & Solutions

• How to obtain yellow colour in brass plating?

• Nickel Plating Rotary Textile Screens

• Hard chrome plating vs. salt spray hours requirement

• Brass Plating not sticking to underlying nickel plating

• Plating zinc diecast (Zamak-3): Process sequence?

• Zinc-plating appearance problems (white, powdery, rough surface)

• Alkaline Zinc plating: How can caustic & zinc concentrations vary independently?

• Q&A on Silver plating of flatware, serving platters, etc.

Really bad adhesion and lack of shine in Hard Chrome plating

• White and black rust on zinc plating after salt spray test

• Black Chrome Plating

Hard Chrome Plating Failures on Hydraulic Cylinders

• Electroplating / Electrodeposition of Aluminum

• Hard chrome plating chip off at chamfer

• Inconsistent appearance of zinc plated with black chromate parts

• Is brass plating over silver plating possible?

• Rubber mixed into my chromium plating solution

• Best plating process for cabinet handles?

• Hard chrome plating has high coefficient of friction, not low

• Residue when Drawing a Tinned Copper Wire

• Plating time too high in alkaline non-cyanide zinc plating

• Precipitating stannic ion from tin bath

• How to specify Conductive Black Zinc

• Cadmium plating and trivalent chromate

• Immersion gold plating Q&A's, Problems & Solutions

Nickel plating over copper flash history

• True that cast iron can't be Zinc Plated?

• Copper plating on Inconel adhesion problem

• Discoloration of bright acid tin plating

• Platinised titanium (or niobium) anodes for hard chrome plating?

• Effect of Temperature on Alkaline Zinc Plating Operation

• How to reduce brittleness in copper (PCB) plating

• Zinc Plating + Iridescent Chromate expected, but parts are white

• Tin plating peels off copper plating when baked

• Nickel plating blisters & peels off

• Source of Contamination on Hard Gold Contacts?

• When did copper flashing on steel for nickel plating begin?

• Sn (tin) plating bath has turned violet/purple

• How to Remove calcium from Nickel Plating Solution

• Silver Plating is Blistering

• Pitting problem in nickel-chrome plating on brass

• "Whitewash" on Chrome Plate

• Alkaline zinc plating at 40 ASF

• How to reduce hardness in nickel sulfamate plating?

• Alkaline zinc plating problem: Black dots/spots that grow with time

• Blue Chrome defect in hard chrome plating

• Nickel plated parts peel when powder coated but not when heat quenched

• Acid zinc plating Anodes are black-ish

• Sodium Vinyl Sulfonate usage in electroplating industry

• Best filler material (ball bearings?) for barrel plating aluminum parts

• Pin holes on hard chrome plated bars

• Can we use stainless anodes in silver plating to battle rising concentration?

• White haze on parts after sulfamate nickel plating

• How long can nickel current be interrupted

• Zinc Plating has unwanted Rainbow Color

• Alkaline zinc plating goes faster at low temperatures than high

• Why must diluted acid be used in nickel plating, not concentrated?

• Cost/pound for FO1 Zinc Plating w/ Clear Chromate on steel

• Need Silver or Tin Plating of Low-Voltage Contacts made from Copper & Brass

• Poor Salt spray test results on black zinc plating

• Some problems in Zinc-Nickel Plating

• Zinc plating with clear chromate discoloration issues

• Need Shop to do Chrome Seal per PS 11501

• Acid zinc plating: peroxide is doing something to clog our filters

• Sulfamate Nickel Strike Problems

• Function of Boric acid in Nickel Plating

• Activating/reactivating old Nickel plating

• Alkaline Zinc Plating Rundown Streaking

• What is Blue Chromate Plating?

• Weird Hard Chrome on Sulfamate Nickel adhesion problem Inquirer often helps others, so especially deserves our help

• Cloudiness & rainbows after Zinc Plating

• Substitute/Alternate/Replacement for Rhodium Plating

• Nickel or Electroless Nickel plating on nitrided steel

• Non cyanide copper plating Q&As / Problems & Solutions

• How to make Rhodium Plating Solution

• Cause of white patches in yellow zinc plating

• Copper & Nickel Plating Thickness vs. Salt spray Resistance

• Acid Zinc Plating: Problems & Solutions

• Brass Plating Problem: we add zinc salt but analysis shows no increase in zinc concentration

• How to calculate plating cost?

• Brush plating stainless with Wood's Nickel

• HCl immersion time for replating old car parts

• Turbulence limit for chrome plating of inner diameter?

• Nickel Contamination of Gold Plating Bath

• Hard chrome broken & burnt

• Electrical conduction properties of nickel plating

• We need gold plating consultant

• Our nickel plating on copper & brass suddenly started peeling

• Chrome Plating Throwing Power

• Problem holding Zinc concentration in alkaline Zinc plating bath

• Black Chrome Plating is making our hands dirty

• Rhodium plating of silver rings Q&A's

• Ruthenium plating on high phosphorous EN

• Hydraulic fluid leaks through/over hard chromium plating

• Need Cadmium Plating per NAS672

• Zinc plating thickness vs. salt spray resistance

• Copper Tungsten: Activation / Plating / Surface Treatment

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

• Thin Dense Chrome has Brown Spots

• Nickel plating onto alumina dispersion-strengthened Cu alloy (February 14)

• Barrier layer when gold plating on sterling silver

• Poor plating adhesion on Remko (high purity iron) material (February 13)

• Hard chrome plating on copper

• Matte Tin Plating on top of Bright Tin Plating

• White Spots on Cadmium Plating from wooden shipping crates?

• Cost of hard chroming a cylindrical shaft (February 10)

• Cadmium Plating Problems

• How to make gold plating last longer?

• Need Tin-cobalt plating RFQ Wheeling, IL (February 4)

• Need to hold surface finish on Zinc Nickel plated parts

• Clear zinc plating develops brown stains with time

• Fingerprints on silver plated finish (February 2)