Petrokem 3Dot® 2K Auto Primer is a two component, high quality isocyanate free primer for refinishing of vehicles. Recommended to use over all metal surfaces (steel, aluminium, zinc, copper etc.) as a high quality anticorrosive protective primer. The product can also be used as a high quality protective primer for hard plastic, wood, Fibreglass or over most other similar surfaces. 3Dot® 2K Auto primer is resistant to salty sea spray and therefore recommended to use in coastal areas. The product should be applied immediately after the cleaning process of the metal. The product can be over coated with 3Dot® 2K Auto Filler, Petrokem Carpach Metal Filler or 3Dot® Polyester Putty Fine.