Liquid Coating
Water Spotting
I am an automotive paint formulator in the Middle East. Two weeks ago, our weather was rainy and we saw water spot defects on the horizontal surfaces of test specimens on our outdoor exposure racks. This was after the top coat curing step. We believed them to be fully cured. We’ve studied this problem quite a bit but have not yet found a cause.
Read MorePaint Over Chrome
We currently use an aqueous cleaning system for our chrome plated parts before wet coat mask painting. The system is designed for exterior automotive adhesion specs. Can a modern vapor degreasing system provide the same adhesion?
Read MorePainting Stainless Steel (Again)
I had a problem with adhesion on spun aluminum parts that were being coated with a clear acrylic gloss bake enamel. When we switched to an aluminum oxide sanding medium the problem disappeared.
Read More12 Ways to Reduce Water Consumption
Save water, save money in your cleaning processes with these common-sense tips
Read MoreAluminum Pretreatment
In your opinion, what pretreatments are adequate for e-coating and/or painting on aluminum substrates for exterior applications?
Read MorePainting Galvanized Chain
We have some new galvanized chain that the customer wants marked with paint every 25 ft. I have never painted galvanized before. How can I do it?
Read MoreProductive Plastic Painting
Upgrades improve paint system flexibility, application characteristics
Read MoreAdhesion Loss on Weldments
The problem we are having is around the orifices where there are a double set of welds. Our material, which adheres to most ferrous and nonferrous metals, is adhering to the vertical surfaces of the orifices with no problem. Shortly after application, however, it will flow off the welds, forming an area of foam around the bottom of the weld. We not sure why this is happening or what to do to correct it.
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