AUTOTEK 500ml Etch Primer GREY Key Features Adhesion to bare, galvanised and zinc coated steel Also suitable for applications to aluminium, fully cured paint finishes, GRP and most rigid plastics Highly flexible and designed to fill slight cracks and indentations Ideal surface preparation aid Quick drying Suitable for acrylic , cellulose , 2 Pack VAT Registered seller, invoice posted with item.