Durable zinc protector and primer Tygris R239 is a high quality zinc spray providing active metal protection against corrosion and an excellent primer coat. The sacrificial properties of zinc contribute to an effective defence against oxidisation should the coating become damaged. Zinc Galvanising Spray can be used both on bare metal and previously galvanised surfaces, and is suitable for spraying onto acrylic or cellulose paints (not alkyd). It may be over-coated with acrylic, alkyd, p/u alkyd and epoxy. Benefits High zinc content for maximum corrosion protection including salt spray Zinc powder in the product is of high purity Can be used on previously coated surfaces Can be over-coated.