Aug 21, 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 National Rule VOC system for preparing unprimed plastic. The system features four essential products from PPG's OneChoice® line of specialty products: SU4901 Clean and Scuff Sponge, SU4902 Plastic Adhesion Wipe, SU4903 Advanced Plastic Bond — also available as an aerosol, product code SUA4903 — and SXA103 Multiprep Cleaner.
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.
Follow this standard operating procedure for PPG's recommended process in prepping bare plastic using a VOC compliant system.
This standard operating procedure (SOP) covers the process for applying a primer surfacer during a repair.
This standard operating procedure covers PPG's recommended process for sanding primer surfacer during your repair.