PPG's Application Development Center has cooked up a number of new recipes for powder coating, from changing color on the fly to cutting drying time. The company hopes the new processes will drop more than over spray to the bottom line.
Three white "speed shapes"--sleek, curved automotive forms with sharp fender peaks designed to mimic the ways light and color appear on a vehicle--travel under the robotic spray arm at PPG's Application Development Center in Flint, Michigan, and are covered in a glaze the color of dirty putty. Could this be right? Yes it is.
"The base coat mixes all of the powder we reclaim from the painting process," says Rick Tansey, technical manager at PPG's Automotive Powder Coatings division, "which makes this painting method very economical." Not only does it eliminate the need to paint vehicles in batches so the over spray can be collected, …
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