01 GREY PRIMER MATT enamel tin can (14ml) by Humbrol. A solvent-based, medium drying paint developed for use on plastic model kits but which can also be used on other substrates, including most plastics, wood, glass, ceramics, metal, cardboard, sealed plaster, sealed hardboard and more (always check on a small test area to check suitability). Brush straight from the tin or 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 one part thinner. Matt: 45 minutes touch dry and up to 24 hours for hard dry. Drying times will vary according to ambient temperature and humidity. Recoat: 6 hours minimum (preferably over night). To clean brushes: use Enamel Thinners. To clean airbrush: flush through using Enamel Thinners. Product is permanent once dry.