15 Oz Aerosol Satin Gloss Level Matches factory finish on many automotive exterior trim components. No primer needed for adhesion. SEM Trim Paint Surface Preparation: Wash the part thoroughly with 39362 SEM Soap. Clean with good quality Grease and Wax remover such as SEM 38373. Sand with 400 grit sandpaper and reclean with G&W remover. Mask off all areas not to be coated to protect from overspray. Apply light mist coats evenly allowing 5-10 minutes between coats. Several thin coats are better than 1 heavy coat. Salesman Note: Don't rush to install the part. Trim Paint adhesion improves with time. Full hardness and maximum adhesion should be obtained in about 48 hours. Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.