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PPG’s Standard Operating Procedure For Preparing Unprimed Plastic

Ensuring 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 covers PPG’s system for preparing unprimed plastic—featuring four essential products from the 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 Multi-prep Cleaner.


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