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Plating Clinic: Uniform Thickness Distribution of Brush Plating
Q. Why isn’t my brush-plated deposit uniformly distributed? Derek Varner from Sifco says in order to achieve uniform deposit thickness, a well-designed, properly-used plating tool is critical.
Ask an Expert Published: 12/1/2016
Plating Clinic: Improving Acid Zinc Coverage and Brightness
Q. We plate our parts in a mixed acid-zinc rack bath, containing both ammonium and potassium chloride. How do we improve our zinc deposit’s clarity, brightness and thickness, especially in the low current density (LCD) areas of our parts without sac...
Ask an Expert Published: 11/1/2016
Parts Cleaning Clinic: Brass Cleaning
Q. How do I clean brass to be powder coated? Expert David Peterson explains that, assuming you have some mill oil or metalworking lubricant on the surface of the brass, the minimum pretreatment needed is a degreasing of some type.
Ask an Expert Published: 11/1/2016
Parts Cleaning Clinic: Cleaning of Inconel
Q. What cleaning methods are recommended for finishing Inconel 718? Can this material be passivated or utilize the Summa process as 300 and 400 series stainless steel, or is there another way to remove the contaminants in regards to machining parts ...
Ask an Expert Published: 11/1/2016
Parts Cleaning Clinic: Phosphate Coating Problems
Q. We electrocoat sheet metal, iron castings (machined and non-machined) and aluminum castings (machined and non-machined surfaces) and are having problems with poor phosphating on aluminum substrates. We maintain the free acid at 0.7-1.1 points and...
Ask an Expert Published: 11/1/2016
Parts Cleaning Clinic: Pretreatment Equipment Suppliers
Q. I am researching manufacturers of aqueous part washers and phosphate pretreatment systems for powder coating, looking for companies that build conveyor systems, washers and treatment systems; not parts washers. The parts to be cleaned are various...
Ask an Expert Published: 11/1/2016
Parts Cleaning Clinic: Zinc Shot Blasting, Zinc Plating Alternatives
David S. Peterson talks zinc shot blasting, zinc plating alternatives, and advantages to reducing the heating of alkaline cleaners.
Ask an Expert Published: 10/1/2016
Plating Clinic: Non-Dyed Versus Dyed Acid Copper
Q. What is the difference between non-dyed vs. dyed acid copper technologies?
Ask an Expert Published: 8/1/2016
Plating Clinic: Cleaner Bath Life
Q. My cleaners are not lasting nearly as long as they should. What can I do to lengthen the life of my cleaner bath?
Ask an Expert Published: 7/1/2016
Plating Q&A: Reduced Brightness and Thickness
Why aren't our parts as bright as they were before plating?
Ask an Expert Published: 6/1/2016

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