Aug 09, 2018
To ensure good adhesion over a bare plastic substrate requires that it be cleaned properly and coated with adhesion promoter before application of an undercoat. This standard operating procedure (SOP) covers using PPG’s VOC compliant system for preparing unprimed plastic. The system features three essential products from PPG's OneChoice® line of specialty products: SU4901 Clean and Scuff Sponge, SWX350 Waterborne Pre-Cleaner and SU470LV 1K Adhesion Promoter — also available as an aerosol as product code SUA470LV.
Follow along with the outlined process below to learn how to properly prepare plastic parts for a repair.
The part is now ready for the color application. To maximize flexibility and chip resistance for the finish, we recommend adding a flexible additive to the primer surfacer, sealer and clearcoat. Follow the application instructions on the product’s technical information bulletin.
Proper cleaning of the vehicle is the first step for any repair. This standard operating procedure (SOP) covers preparing the surface and removing dust and contaminants from the vehicle to ensure a defect-free finish.
The steps in this standard operating procedure will show how to prep bare plastic for repair using PPG products for National Rules areas.
This standard operating procedure (SOP) covers the process for applying a primer surfacer during a repair.