Liquid Coating
April's Adhesion Problem
In the April issue there was a question about black paint having poor adhesion. You wrote about the oil absorption and bulking values of different pigments. I would have been interested in the gloss of his black paint.
Read MorePaint Compatibility
One of our customers has 48 steel valves ranging from from 6–48 inches. These valves were supplied to our customer coated with a high temperature one-pack silicone coating system. We have been instructed to repaint these valves.
Read MorePainting Over Zinc Chromate
What is the best method of painting over 6061 Al that is covered with zinc chromate?
Read MoreCentrifugal Pump Versus Air-Operated Diaphragm Pump
We have an old wastewater pretreatment system for our metal finishing operation. The system contains two large air diaphragm pumps that transfer the wastewater from a holding tank to the flocculation tank before the clarifier. Since we are renovating the pretreatment system to extend its life, our team is arguing over whether to replace or keep these pumps.
Read MoreFull of Energy
One thing I’ve continually heard over the past several months is the need for finishing facilities to become more energy efficient in order to hold down costs and run a leaner operation.
Read MoreA New Wrinkle
The same paint does not produce the same wrinkle texture when applied by the vendors—and we have tried different vendors. The only difference I can see is that we use electrically-fired ovens and they use gas-fired ovens. What do you think about this?
Read MoreJoin The Clubs
June saw annual meetings and conferences for two of the largest trade groups in surface finishing, as the National Association of Surface Finishers and the Chemical Coaters Association International held gatherings in Grand Rapids and Sarasota, respectfully. The Powder Coating Institute held its annual meeting in late May in Austin Texas.
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Volkswagen: Red, White, Blue … and Green inspires new $120M plant
Volkswagen: Red, White, Blue … and Green inspires new $120M plant
Read MorePaint Color Vs. Adhesion
Is there something inherent in black pigment, or in other materials or processes used to make black paint, that prevents it from adhering as well as other colors do?
Read MoreIs Grinding E-Coated Parts Safe?
Can you tell me if it is safe to rework electrocoated parts with grinding—using pads to remove the coating, and so on?
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