Arthur S. Kushner Consultant
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Metallic Precipitates in EN Bath
During our EN plating, we are forming metallic like precipitates in our tank. What are some of the possible causes of this problem?
Read MorePlating ZAMAC-27 Castings
We are trying to develop a plating process for Zamac-27 castings
Read MoreCopper in Silver Plating Tank
Recently the silver deposits have developed a dark appearance. All of our plating bath numbers are in line with the chemical vendor’s recommendations. Do you have any suggestions on how to solve this problem?
Read MoreStripping PVD Coating
Can you give me any suggestions for stripping the gold colored PVD? Alternately can the PVD layer be activated so gold can be plated over it?
Read MoreSpotting, Pits and Assorted Things on Zinc Diecasts
Every so often we get zinc die casts with high porosity. The results are spots, blisters and assorted defects. As anybody will tell you plating on materials with high porosity is a real “bear.” Do you have any suggestions that might help in solving this problem?
Read MoreChrome Plating and Star Dusting Revisited
Your May 2006 Plating Clinic answer to B.J. about star dusting appeared to leave out one very important question (www.pfonline.com/articles/clinics/0506cl_plate4.html). Is the problem being experienced by B.J. really “star dusting”? I hope you did in fact verify that it was truly star dusting before nailing the plater. And in that case, a statement that the condition had been verified would have been helpful.
Read MoreASTM B368 (CASS) and ASTM B117 Testing
What is the correlation, if any, between B368 and B117 salt spray testing?
Read MoreCleaning of Surfaces
I need good information on the cleaning of surfaces. Can you recommend some information sources?
Read MoreNickel Problems
We are an older shop with severe space limitations. We are forced to plate brass and steel parts on the same nickel plating line. The plating line works well when the cleaners are new but after a short period of time we start to have peeling of the nickel from the steel parts. Any thoughts?
Read MoreChloride Contamination and Electroless Nickel
Can chloride contamination of an electroless nickel plating bath result in a poor deposit? The chloride ion is being dragged in from a prior nickel chloride strike.
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