Solidguard 366 Zinc Phosphate Epoxy Primer A solvent based advanced anti-corrosive holding primer for use on galvanized surfaces or grit blasted steel. Enquire Now Download tech sheet benefits Can be over coated with solvent-less epoxy or solvent based systems. Quick drying - long pot life. Good anti-corrosive properties on grit blasted surfaces. Good adhesion and inter-coat adhesion.