Electroplating
Red Color on Yellow Brass
I’m an artist and want to color a number of yellow brass art pieces with a red finish. I can’t find any information on the process. Can you help me?
Read MoreSilver Pitting and Black Spots
After plating, our parts have pits and black spots. What can be done to prevent this problem?
Read MoreElectrolytic and Electroless Nickel
What are the main differences between electrolytic nickel and electroless nickel? Can one be substituted for the other in metal finishing?
Read MoreElectroless Chromium
I recently spoke with an individual who stated that there is an electroless chromium plating bath available. Can you give me any information on this bath? Is it commercially available?
Read MorePLATING BATH TITRATIONS
We have now installed a small on-site laboratory and have a technician determine concentrations and “add” for our plating baths and some of our cleaners. The problem we now have is this: He does not have enough time to complete the titrations and calculate the “adds” in a timely fashion. Do you have any suggestions on how we can improve this process and reduce the time requirements?
Read MoreBLACKENING OF STAINLESS STEEL
We are looking for information on a simple process for blackening of Type 420 stainless steel needles. The blackening should be permanent, corrosion-resistant and medically acceptable. Since the needles are small in size, the method should be capable of processing in bulk.
Read MoreRUSTING PARTS
Our customer requires a steel part to be plated with both nickel (0.00015–0.00030 inch) and zinc (0.00025–0.00030 inch). The part is sterilized in an autoclave prior to use. Why is it rusting, and how do you suggest we solve this problem?
Read MorePAINT ADHESION ON STAINLESS STEEL
We use stainless steel fasteners that have to be painted after assembly. We have tried a number of different processes, but adhesion of the paint has been poor. We would prefer a black finish. Do you have any suggestions?
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