A grey modified acrylic primer based upon a speciality resin designed primarily to key onto non-ferrous metals, and to provide a tough, durable coating suitable for subsequent application of standard gloss, satin and matt finishes, and matched colour paints. To be used on non-ferrous metals including galvanised, anodised and zinc coated steel, or aluminium. Not recommended for use on copper or brass. Benefits include excellent covering power, excellent film build, excellent adhesion to most non-ferrous surfaces. Suitable for use on many rigid plastics including glass reinforced polyester. Suitable for use on fully cured and aged paint finishes.