HEAVYGUARD/ TOA MULTIPRIME CANVAS GREY is a one-pack fast drying modified epoxy based etching primer formulated for application over galvanized iron, aluminium, cold roll steel and stainless steel. It has excellent adhesion and anti- corrosion properties to most common metals and compatible with a wide range of topcoats such as alkyds, acrylics, polyurethane and chlorinated rubber paints.