RUST-OLEUM® Hard Hat Aerosols 7715 and 7778 are heat resistant coatings based on a silicone modified alkyd resin. The products are based on lead- and chromate free pigments. Recommended Uses:Should be used on new, bare steel, blasted steel or light rusted steel surfaces or properly prepared painted substrates alike barbecue grills, fire place equipment, space heaters etc.Intended for small maintenance jobs or for touch-up. RUST-OLEUM Hard Hat 7778 provide heat resistance up to 750°C (= 1380°F) dry heat (short term peak resistance) in sheltered or interior environments.SpecificationsSize: 500 mlAppearance: Satin glossColour: BlackPropellant: Dimethyl etherRecommended film thickness: 25 ìm dry, equals 100 ìm wetVOC-content: 640 g/lDrying times: 20°C/50% r.h.To touch: 1 hourTo handle: 3 hoursTo recoat: Within hour or after 48 hoursFull hardness: 24 hours after minimum service temperature of 150°C has been reachedGradually heat the coating to 150°C (max. 50°C/hour).Heat resistance: Standar