DSM high-temperature plastics successfully replace metal in charge air cooler end cap application; Volkswagen Crafter

By mmillikin Royal DSM, a global science-based company active in health, nutrition and materials, has partnered with Mahle GmbH to replace metal end caps with high-heat-resistant plastics in charge air cooler (CAC) applications. This change has led to improved engine performance, better fuel efficiency and reduced system costs.

Metal end caps in CAC applications must withstand continuous temperatures up to 230 °C (446 ˚F), which limits the material choices. For this project, DSM leveraged its materials knowledge, paired with the application expertise of Mahle, to enable the use of DSM’s Stanyl Diablo OCD2300 (a PA46 with 50% glass fiber) for Volkswagen’s Crafter light

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