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Exploring the: Painting Quality Control Zone
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- Adhesion Testing
- We test the adhesion of plastisol to steel by crosshatch cutting through the plastisol and galvanizing all the way to the steel substrate. Is this test reliable for paint film adhesion?
Ask an Expert Published: 5/15/2013
- Scuffing Of Matte Finishes
- How can I scientifically explain why matte finishes scuff more easily than gloss finishes?
Ask an Expert Published: 3/29/2013
- 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