PRODUCT INFORMATIONNo 67 Tank Grey Matt AA0744 Tip: Humbrol Enamel Paint Usage A solvent-based, fast-dry paint developed for use on plastic model kits but which can also be used on other substrates. Matt, Satin, Gloss, Metallic, Metalcote and Clear finishes are available. Substrate A wide range of surfaces including most plastics, wood, glass, ceramics, metal, cardboard, sealed plaster, sealed hardboard and many more. Application Brush straight from the tin. Airbrush with a suitable thinner such as Humbrol Enamel Thinners. Two thin coats are preferable to one thick coat. The usual thinning ratio is 2 parts paint to 1 part Humbrol Enamel Thinner. Note that Metalcote colours are designed to be polished when fully dry. Drying Time Gloss: 1-2 hours. Matt & Satin: 20-40 mins touch dry, up to 24 hours for hard dry. Metallics: hard dry in approx. 10 days. Recoat: 6 hours minimum. How To Clean Humbrol Enamel Thinners when wet. Product is permanent once dry.