Rustins Quick Dry Metal Paint Black 1 Litre Smooth Satin Finish No Primer Required. This is a low VOC paint for use on both bare and galvanised metal. It can be applied directly without the use of a primer and is suitable for indoor and outdoor use. Ideal for gates, metal tanks and all ferrous metal surfaces. Not suitable for use under cellulose finishes. Containing anti-corrosion additives the paint has a low odour and dries to a smooth satin finish in just 2 hours. Brushes can be cleaned with water. Type: Based on high quality water-borne cross linking acrylic resin. Intended Use: A protective and decorative finish for bare metal, cast iron, and galvanised metal.