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Degreasing Galvanized Steel
What is the best solution to remove grease from galvanized metal rods without affecting the zinc coating?
Ask an Expert Published: 7/1/2013
Supplier Contracts
Can we (the supplier) refuse to agree to early termination of a contract unless the customer agrees to increased prices or other concessions?
Ask an Expert Published: 7/1/2013
Chip Removal
How can we eliminate chips after machining and surface treatment of aluminum and magnesium castings?
Ask an Expert Published: 5/29/2013
Removing Buffing Compound
What is the best way to remove buffing compound from brass parts?
Ask an Expert Published: 5/22/2013
In-Line Cleaning Machine
I am looking for in-line parts washing to put at my stamping press. Do you know of companies that have conveyor systems such as a mini-tunnel sonic machine?
Ask an Expert Published: 3/5/2013
Electrolytic Cleaning
Is there a reverse-current cleaner that will blow and clean off rust in a timely manner and that is environmentally friendly?
Ask an Expert Published: 3/1/2013
Rinsing Difficulties
How helpful would it be to add a rinse aid to our post-process rinses in chromate conversion, and iron and zinc phosphate processes?
Ask an Expert Published: 2/18/2013
Citric Acid Passivation
I would like to set up a citric acid passivation line as follows: heated citric, drag-out tank, three cascading unheated rinse tanks and possibly a heated rinse to help in drying. Am I missing any tanks and or accessories that you would recommend?
Ask an Expert Published: 9/26/2012
Copper Sulfate Test for Passivated Parts
Why is the copper sulfate test a common test to know if the passivation process is in good quality?
Ask an Expert Published: 9/25/2012
Stainless 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, ...
Ask an Expert Published: 9/24/2012

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