J1573 - OEM Plastic Parts Committee
Published: 1995
Total Pages: 0
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This SAE Recommended Practice defines the information requiredto repair the various types of plastics found on modern light-dutyhighway vehicles. Information is included for the repair andrefinishing of most flexible, semi-flexible, and rigid plastic bodyparts, both interior and exterior. Repair information is describedfor all commonly used plastics including polyurethanes,polycarbonate blends, modified polypropylenes, polyethylenes,nylons, sheet-molded compounds (SMC), and fiber-reinforced plastics(FRP). Repairs can be made to these types of plastics usingtwo-part (2K) repair adhesives, plastic welding, and othermaterials available from body shop suppliers. When a new type ofplastic is being introduced to the market through a new vehicleprogram, specific repair and refinishing procedures should beprovided, following the format in this document.The use of plastics in cars has increased to over 12% by weight,with several types being used for structural and mechanicalapplications. Interior and exterior plastic body parts have becomean integral part of the automotive design, reducing overall weightto aid in increasing fuel efficiency. The use of plastic compoundsfor these parts has expanded to include polyurethanes,polycarbonate blends, modified polypropylenes, polyethylenes,nylons, sheet-molding compound (SMC), and fiber-reinforced plastic(FRP). This document is intended to guide vehicle manufacturers,material suppliers, and equipment suppliers in providing timelyrepair information to repairers and insurers. Providing thisinformation prior to vehicle introduction is necessary to allowdamaged vehicles to be restored to their pre-accidentcondition.