This water based paint remover extremely effective in removing the tough, high performance coatings. S-305 Heavy Duty PS will effectively lift highly cross-linked urethane and epoxy top coats and primers, alkyds, non-skid coatings (100% solid content) and the toughest of industrial coatings as well as most graffiti. It is also capable of lifting fuel resistant primers, inorganic zinc primers and coal tar epoxies.