1 FREE CAN WITH 6 X PRO XL PROETCH ETCH PRIMER ALUMINIUM AEROSOL 500ML - GREYProEtch is a super fast drying acid etching primer that gives the ultimate adhesion direct onto many difficult substrates including; alloy, stainless steel, zintec and galvanise. The final surface is a super smooth non-porous finish that is suitable for any topcoat. Product Benefits Outstanding etching properties Excellent anti-corrosive properties Quick Dry acid Etching Primer allowing faster throughputSuper smooth finish