A specially formulated RTV silicone combining flexibility with high heat resistance, forms a tough rubbery seal, and keeps its flexibility even at temperatures of 450°F continuously, or 500°F intermittently. Suggested usesinclude sealing around insulated chimney caps and storm collars, fireplaceinserts, gas stoves and glass fireplace screens. Can be used for making solarpanel repairs and some automotive seals. May be used anywhere a black ortranslucent permanent elastic seal is needed. Will adhere to glass, metal,most plastics, fiberglass, aluminum, wood, brick and slate. Acetoxy cure.