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Stainless Pretreatment for Painting
I am doing a project to develop a new chemical for stainless steel pre-treatment prior to painting or powder coating. Any suggestions regarding methods or processes for pretreatment?
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
Wanting to Shine
How can I remove the factory coating from a 1972 ford truck aluminum grill shell so I can re-polish it?
Ask an Expert Published: 12/1/2008
We are yellow chromating aluminum alloy 360 die castings. After processing, a grey/black material appears on rags used to wipe the parts. What is this material, and can it be prevented?
Ask an Expert Published: 8/1/2008
Removal Of Cured Powder
Can you recommend a blast cabinet and the best abrasive to use?
Ask an Expert Published: 12/1/2007
Cause of Warping
We removed several belt guards and put them in our wheel blaster—a rotating table blaster. It removed the paint to perfection, but warped the parts so extensively that we had to hammer them back into shape.
Ask an Expert Published: 10/1/2007
Measuring Liner Thickness
Is there a non-destructive way to measure liner thickness in our centrifugal disc finisher?
Ask an Expert Published: 10/1/2007
Cleaning Pre-Shot Peen
I am wondering what is commonly done to clean newly machined aluminum parts prior to shot peening?
Ask an Expert Published: 12/1/2006
Evaluating Acid Concentration by Titration
When performing a titration to evaluate the acid concentration we get a coalescing of black material in the solution as the end point is approached. Does anyone have an idea what this substance may be? Any suggestions?
Ask an Expert Published: 12/1/2006
Response to Spray Wand Phosphatizing
I read in the June 2006 addition of the Parts Cleaning Clinic your answers to the Phosphate Cleaning Systems question, where someone was using a spray wand phosphatizer at a pH of 2.0 and wanted to increase their quality (www.pfonline.com/articles/c...
Ask an Expert Published: 10/1/2006

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