HUMBROL NO 135 ENAMEL SATIN VARNISH SPRAYUsage Suitable for applying over enamel paint. Protects and creates a satin finish. Substrate A wide range of surfaces including most plastics, wood, glass, ceramics, metal, cardboard, sealed plaster and sealed hardboard. Also most applications in general DIY and automotive. Always try on a small test area to check suitability. Coverage Depends on application and thickness of coats. Application Aerosol spray. Spray at least 25cm from the substrate and spray with an even back and forth action. Once dry, polish with a soft dry cloth. Drying Time 15-30 minutes How to Clean Hold can upside down after use and depress nozzle for a few seconds to clean. Permanent once dry.