Jenolite Universal Etch Primer spray is a specially developed formula to aid the bonding of paint to difficult surfaces such as aluminium, galvanised & stainless steel etc. Once cured, this self etch primer leaves a smooth, grey surface, perfect for over painting with a topcoat. It is a fast-drying acrylic spray paint, suitable for priming a wide-range of metals, wood and plastic prior to top-coating. The advantage of an etch primer is that as a thick, high-build coating, only a single coating is required. You can then paint over the primed surface with a top coat in your desired colour.