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Gear Cleaning
The nitric acid bath generates a dark smut on the cast iron gear that will wipe off to the touch. How can I remove it in my operation?
Ask an Expert Published: 1/11/2011
Powder Stripping
We have an aluminum casting from which we need to remove powder coat. We have investigated sanding and chemical, but the heat process may have a very negative impact on the part shape. What are your thoughts?
Ask an Expert Published: 8/1/2010
Pretreatment Problems on Galvanneal Steel
What we are seeing is craters in random places in the surface of the painted parts.
Ask an Expert Published: 8/1/2010
Tractor Cab Coating
I think I am looking at a failure of a powder coating on tractors I am considering purchasing.
Ask an Expert Published: 8/1/2010
Cleaning Expanded Stainless
We’re looking to install an in-line (or off-line) cleaning system that would degrease flat expanded metal sheet made out of 0.015-inch-thick SS T409 material.
Ask an Expert Published: 4/1/2010
Variation In Salt-Spray Results
Our chemical supplier is telling us that variations in steel from different mills can produce huge differences in salt-spray results even though it is all cold rolled commercial quality steel. How much truth is there to this, and is there anything s...
Ask an Expert Published: 2/1/2010
Aluminum Contamination
If some of the aluminum made it down into the tank, would it react with the cleaner and make it unable to clean?
Ask an Expert Published: 12/1/2008
Pitting of 7075 and 2024 Al Alloys
I would like to know more about the pitting problems in 7075 and 2024 aluminum alloys.
Ask an Expert Published: 10/1/2008
Rinse Tank Water PH
What effect, if any, will raising the temperature of RO water in a post-anodize, post-chromate rinse tank from ambient to 130°F have on the water’s pH value? Is there a way to rinse in hot RO water, max 130°F, and still be able to maintain a pH lev...
Ask an Expert Published: 12/1/2007
Black Grease in Pickling Line
I very rarely get a grease-like substance clinging to the surfaces of parts after I remove them from the pickling bath.
Ask an Expert Published: 10/1/2007

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