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Voids in Coating
What can we do to get better powder coverage on small, tight recesses on parts?
Read MoreWrong Color of Powder
Is it true that one cannot change the color of an existing batch of dry powder coating material?
Read MoreCopper Sulfate Test for Passivated Parts
Why is the copper sulfate test a common test to know if the passivation process is in good quality?
Read MoreCloudy Decorative Chrome
We have a decorative chrome plating process using hex-chrome and find that, in the high current density areas, there is cloudiness more often than not. What should we be looking for to solve this problem?
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Q&A: Tin Plate on Zinc/Nickel Deposit
Q. Our company produces components made from mild steel that are nickel/zinc plated. We have been asked to investigate the possibility of over-plating of a tin strip on these parts. Can this be done, and can it be done selectively?
Read MoreStainless Steel Streaking After Passivation
After passivating 347 stainless steel per AMS700 Type VI there is a stain pattern. On inspection at 10x magnification, I see that the surface is pitted. Process steps are alkaline degrease at 140°F, two rinses, final rinse in reverse osmosis water, nitric strike at 5 percent by volume, then two rinses with the final reverse osmosis (water quality 200 ppm). The stains or discolorations are in a straight line pattern. Any suggestions?
Read MoreTin Plate on Zinc/Nickel Deposit
Our company produces components made from mild steel that are nickel/zinc plated. We have been asked to investigate the possibility of over-plating of a tin strip on these parts. Can this be done, and can it be done selectively?
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Titan Metal Fabricating Moves Into New Facilities
Relocating its corporate headquarters and principal manufacturing facility Sept. 12 to a new 80,000 square foot facility.
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Protech Purchases Texas' Innotek Powder Coatings
Innotek of Big Spring, Texas specializes in high performance thermoplastic powder coatings.
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