PPG introducing new paint process for OEMs

PPG recently introduced a low-energy paint process for automotive original equipment manufacturers (OEMs).

The company developed the low-energy paint system through Project LEAPP, its global initiative to help OEMs reduce paint shop capital requirements and operating costs. Approximately 70 percent of total energy consumption at an automotive assembly facility currently takes place in the paint shop.

“Project LEAPP focuses on technology initiatives that can have a transformative effect on paint shop operations, sustainability and vehicle appearance,” said David Fenn, PPG research manager for automotive OEM coatings.

The new paint process, developed in collaboration with Dürr Systems, can help reduce energy consumption by up to 39 percent by permitting a significantly lower curing temperature and faster flash and dehydration times. The process features a next-generation PPG waterborne crosslinking chemistry that cures at 80 degrees Celsius – compared to 140 degrees Celsius for current systems – and can reduce flash and dehydration requirements by several minutes per vehicle.

The new system can enable OEMs to reduce the physical footprint of their paint shop operations because fewer ovens are needed and cure temperatures are lower. In addition, the ability to coat metal and heat-sensitive parts such as plastics and composites at the same time can simplify the manufacturing process.

The work was funded in part by the Office of Energy Efficiency and Renewable Energy, US Department of Energy, under award DE-EE0005777.


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