PREMA PPC-16 Pre-Buff tire innerliner buffing solution in 16 oz aerosol spray cans - Case of 12 cans CFC-formula requires shorter drying times allowing you to finish the job faster - Contains no ozone depleting chemicals The PPC-16 formula works on both tire inner liners and inner tubes so you only need one product on the shelf. Specially formulated to dissolve moldrelease lubricants and other contaminants creating a clean surface prior to innerliner buffing. Easy to use aerosol spray allows you to apply the correct amount of Pre-Buff cleaner to the right area every time. PREMA's PPC-16 Pre-Buff Cleaner (flammable) is intended for the removal of contamination (dirt, grease, water, mold lubricants, etc.) from tire innerliner and/or tubes prior to the installation of repairs. Cleans the innerliner or inner tube and prepares the surface for buffing to provide a clean workable surface. Contains no ozone depleting chemicals.