Water based topcoat system after 4 - 6 hours, Solvent based topcoat system after 24 hours. The product should be applied directly from the container by brush or sponge pad, please note that due to the acidic nature of this product it should not be applied by spray equipment. Metal Primer 500ml Metal Etch Primer - Britannia Paints Epoxy Primer Directions for Use It is essential that new galvanised steel is thoroughly degreased prior to painting to remove oil and grease present on the surface. Aazon.co: galvanized etal etching prier Once the product has dried the surface should be thoroughly washed with clean water and allowed to dry before over-coating with the desired top coat. Where this is not possible or practical the surface should be thoroughly washed using a suitable detergent, then washed with water and allowed to dry. Provides excellent adhesion for a wide variety of water and solvent based coatings On certain types of galvanised steel a further application of Galvanised Primer may be required to achieve this even colouration. This is best carried out by washing the surface with a suitable solvent i., e., white spirit. Sprayon Zinc-Rich Cold Galvanizing Compound, 16 oz Aerosol Can Galvanised Primer can be over coated with most water borne or solvent borne topcoats. The zinc coated surface of galvanized metal might not be best for adhesion of paint/primer; especially true of smooth electro-deposited zinc coating... Primer for galvanised metal and zinc alloy
