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This SAE Recommended Practice defines the information required to repair the various types of plastics found on modern light-duty highway vehicles. Information is included for the repair and refinishing of most flexible, semi-flexible, and rigid plastic body parts, both interior and exterior. Repair information is described for 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 using two-part (2K) repair adhesives, plastic welding, and other materials available from body shop suppliers. When a new type of plastic is being introduced to the market through a new vehicle program, specific repair and refinishing procedures should be provided, following the format in this document.

This SAE Recommended Practice is for providing an overview of the type of information that is needed by insurance and the collison repair industry on plastic repairs. The format herein should be considered as that required for plastic repairs in general. The specific information contained applies to the repair and refinishing of most flexible, semi-flexible, and rigid exterior plastic body parts. When a new type of plastic is being introduced to the market through a new vehicle program, the specific repair and refinishing procedures should follow the same format as this document.