74770SP/01 HBPT High Build Etching Primer
Matthews 74770SP/01 HBPT is a quality, two-component, high build self-etching metal primer. It is designed for use on raw aluminum and steel. 74770SP/01 HBPT etches the properly prepared metal surface to provide outstanding paint adhesion and corrosion resistance. This fast drying etching primer is buff colored and will fill a 120g DA sand scratch with a two-coat application.