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Craters in the Paint
We sometimes have problems with craters in the paint film on the motorcycle parts we manufacture.
Ask an Expert Published: 3/22/2013
Flaking Paint
Should two-part epoxy paint be able to withstand a temperature of 450ºF for 3 1/2 min, which is required by the adhesive? What could be causing spotty adhesion failures demonstrated by the paint flaking off?
Ask an Expert Published: 2/5/2013
Film Thickness Measurement
Why will the film thickness gage read the coating thickness on the weld joints between two stainless steel pipes and on the flanges but not on the pipe itself?
Ask an Expert Published: 1/4/2013
Low Phosphate Coating Weight
We are getting a low coating weight with an immersion zinc phosphate coating. Could pH be a factor in this issue?
Ask an Expert Published: 12/10/2012
Spraying High-Viscosity Paints
We have problems getting a consistently even distribution of a high-viscosity paint in the spray pattern, resulting in striping on the sprayed parts. To get better results, we are currently adding reducing solvents to lower the paint’s viscosity for...
Ask an Expert Published: 12/4/2012
Phosphating Dust and Overspray
How can we cut phosphating dust after zinc phosphate and passivating stages, and reduce overspray losses in our water wash spray booth?
Ask an Expert Published: 10/29/2012
Finding Paint Testing Laboratories
We occasionally have problems with insufficient paint adhesion. Where would I find a lab to perform an in-depth analysis of the adhesion among the interface of our paint, a base coat and primer material?
Ask an Expert Published: 10/26/2012
Enclosed Spray Booth
We are located in southern India, where the normal temperature is 30-40°C. How can we control the humidity and temperature in our spray paint booth?
Ask an Expert Published: 10/2/2012
Weld Drag Marks
Regarding the question by B.F. (January 2011) concerning spot weld drag marks: While your answer was certainly correct, the question may still not be completely answered.
Ask an Expert Published: 9/28/2012
Painting Stainless Steel
We are concerned about paint adhesion on equipment cabinets made of mostly 41003 (a utility-grade stainless steel that is 12 percent Cr) and either 304 or 201 for the hard-to-draw parts.
Ask an Expert Published: 7/31/2012

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