... DESCRIPTION:Two Component, BPO cured system, hightest technology body filler; Hardener smells good, very kindly. Specific Gravity is about ... 1.6 kgs /L; Very good adhesion on various metal substrates, especially on galvanized plate. No shrink; Very ... SUBSTRATES:Galvanized steel substrate, steel substrate, aluminium, no primed metal substrate, GRP substrate, Various primer, old lacquer coatings, wooden ...