HMG Spray putty is a fast drying, high build spray putty designed to fill surface scratches or similarly defective metal, stone chip damage, polyester body filler, glass fibre mouldings and most factory refinish paint systems (except air dried synthetics). Supplied ready-for-use, it will flat easily to a feathered finish and can be used as a primer under cellulose, 2-pack acrylic or synthetic topcoats. Can be applied to the following paint surfaces: Bare metal (Steel & Aluminium), Polyester fillers and original paint surfaces. This product can also be supplied in 5L tins.