Plasma pretreatment of car exterior parts – cleaning and activation of complex multi-materials
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.
Successful applications of 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
- Polymer paint release coatings
Federal Ministry of Education and Research, Germany
Joint Project EFFICOAT
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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