Permatreat 326 is a convenient, acid-based, liquid product formulated to clean and prepare plastic surfaces for painting. This product is particularly effective at cleaning difficult-to-remove contaminants from plastic surfaces. After rinsing, Permatreat 326 leaves a surface which promotes paint adhesion. Permatreat 326 is designed for spray washers and is compatible with other Chemetall products used in plastic cleaning systems. Permatreat 326 contains no CFCs or ODCs.