Car exterior parts are today made of complex combinations of materials ranging from metal tailored blanks to sheet molded compounds (SMC) and glass fiber reinforced plastics (GFRP) to hybrid plastics.The starting materials have very different surface qualities.

Plasma pretreatment is a key technology for achieving stable material combinations and high-quality surface finishes with secure adhesion. It points the way ahead, both economically and ecologically.

Fender made of SMC

Successful applications of Openair® Plasma in car exterior parts

  • Surface activation prior to painting of bumpers made of PP/EPDM compounds
  • Openair® Plasma pre-paint surface pretreatment of fenders made of SMC.
  • Plasma microfine cleaning of ceramic coatings prior to glazing.
  • Plasma microfine cleaning of aluminum frames for waterproof bonding of glass sunroofs

Federal Ministry of Education and Resarch, Germany
Joint Project EFFICOAT

The future of the automobile – new material combinations with light-weight construction and plasma coating

Conventional sheet metal construction in automobile manufacturing is being replaced by new, lightweight techniques. Significant resources will be saved as a result. With plasma coating, new composite materials can be reliably bonded – even without solvent-based primers

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