Wash primeris designed based on polyvinyl butyral resin and acid hardening. This product is applied in low thickness and it used to increase the adhesion of the next layers. Fast drying, low thickness applications, and the use for non-ferrous metal surfaces such as aluminum, galvanized, copper, etc. and they are the best features of this product. This product needs to be coated by other paints and it cannot resist atmospheric agents.