A: Painting plastic can be a difficult task as some plastics are considered paintable (ABS,PVC, styrene, polyester, acrylic, and more), and other plastics are not (PE, HDPE, PP, HDPP, teflon, nylon and more). It is necessary to first determine the type of plastic used, and if paintable, make sure the surface is clean, and free of all oil, grease, dirt, and other surface contaminants that will inhibit the coating’s ability to “penetrate” and adhere tightly to the plastic surface. Dirt, dust, etc. may be removed by scrubbing surface with a mild, phosphate free, detergent & water solution, then rinsed with clean water and allow to dry. Grease, oil, wax etc. may be removed by solvent wiping surface with Mineral Spirits and allowed to dry. Next, abrade the surface by sanding, with a medium-fine grit paper, to create a “profile” for a greater mechanical bond with primer. Remove any sanding dust. Optional: Before priming, treating plastic with Majic Plastic Adhesion Promoter (#8-20050), in strict accordance to package directions, will help to provide a stronger adhesion to surface. Following preparation, prime surface with 1 thin coat of Majic Tractor & Implement Red Oxide, or Sandable Gray Primer – allow to dry thoroughly (minimum 24 hours) before top-coating with 1 or 2 thin coats of Majic Camo Aerosol. I hope this info is helpful, please remember the critical steps to successfully painting plastic is to (a) first determine the type of plastic, (b) conduct proper & thorough surface preparation, and (c) apply appropriate primers and finish is strict accordance to the product’s label & Tech Data Sheets instructions (with special attention to the recommended applied thickness, and allowable re-coat times).
Date published: 2019-03-22