These new Acrylic Dropper Bottles enable easier colour blending using the bespoke Humbrol Paint Palette (AG5111). Usage: A water-based, fast dry paint developed for use on plastic model kits but which can also be used on other substrates. Matt, Satin, Gloss, Metallic 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: Use in combination with the Humbrol Paint Palette(AG5111). Two thin coats are preferable to one thick coat. The usual thinning ratio is 2 parts paint to one part Humbrol Acrylic Thinner. Drying Time: 1-2 hours hard dry, allow longer for Gloss and Metallic finishes. How To Clean: Acrylic Thinners or water when wet, cellulose when dry.