National Wash Primer (A+B)
A two pack Polyvinyl butyral-phosphoric acid cured etch primer with zinc chromate pigment. Specifically formulated to overcome adhesion problems. It can be overcoated with one or two pack of National protective paints such as epoxy, polyurethane etc.
RECOMMENDED USE :
Etching wash primer for ferrous and non-ferrous metals such as iron, steel, aluminium and galvanized steel