PlastiKote Trade Cold Zinc Spray Primer has a zinc based formula, based on epoxy ester for treating galvanised and untreated steel. Offers excellent cathodic corrosion prevention. Great for covering spot welding and heat-resistant up to 350C. Trade Functional Sprays are ideal for every professional builder, tradesman or painter/decorator. Specification: Coverage: 1-1.75mTouch Dry: 20-30 minutes