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Phosphate Sludge
Q.
Ask an Expert Published: 5/22/2014
Replating Chrome on Nickel
What is an appropriate procedure for replating chrome over nickel?
Ask an Expert Published: 5/14/2014
Stress Reducer
Are there any non-proprietary stress reducers that can be used in a nickel sulfamate plating bath?
Ask an Expert Published: 5/12/2014
Copper Plating on Aluminum and Aluminum Alloys
How can I plate copper on aluminum?
Ask an Expert Published: 12/30/2013
Barrel Rotation Speed
We barrel plate fasteners using an alkaline zinc plating bath. We were told by the chemical supplier that the ideal rotation speed for fasteners is 6 rpm, but we believe we get more brightness at 12 rpm. Which speed is correct?
Ask an Expert Published: 12/27/2013
Plating Lead Bullets with Copper
How do you plate lead bullets with copper?
Ask an Expert Published: 12/20/2013
Artistic Application of Electroplating
I want to plate a pattern onto the metal cathode, moving a sharp/pointy anode around to trace out the pattern, but I can’t decide what metal to plate and what solution would be best.
Ask an Expert Published: 11/25/2013
Sulfamate Nickel Problem
Our sulfamate nickel plating bath is giving us problems. Most recent tests show the chloride content to be 10.15 g/L, and our control limits are 3-9 g/L. What can I do to reduce the chloride content? What will happen if the chloride content is too h...
Ask an Expert Published: 8/5/2013
Plating Zamak Jewelry
Our company produces pendants and other jewelry parts out of Zamak metal. We find that the finished products have pores that we are unable to cover with the copper plating that we apply. Can you suggest any processes that will cover these pores?
Ask an Expert Published: 7/30/2013
Black Stains on Zinc-Plated Parts
Our rack alkaline-zinc-plated parts occasionally exhibit black or caustic stains that don’t show up for 24 hours. Can we add anything to our plating solution or rinses to eliminate this condition?
Ask an Expert Published: 7/24/2013

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