patented rust converter and primer in one, the world's first rust renovator and primer with epoxy resin, the ORIGINAL from the spray can developed for the industry, the craft and the demanding do-it-yourselfer BRUNOX® forms an metalorganic iron complex with iron and rust. This black protective layer, which is formed, is very compact and resistant and provides long-term corrosion protection and, thanks to the enrichment with epoxy resin, is at the same time a primer. sprayed color gray - reflector color white This black protective layer, which is formed, is very compact and resistant and provides long-term corrosion protection and, thanks to the enrichment with epoxy resin, is at the same time a primer. sprayed color gray - reflector color white