Black High Heat Silicone - Cartridge

500øF heat resistant silicone sealant forms a tough rubbery adhesive seal and maintains its flexibility at 450øF continuously and 500AøF intermittently. Uses include: sealing fireplace inserts, solar panel repairs, flashings, applying ceramic tiles - anywhere a black or translucent permanent elastic seal is needed both indoors or outdoors. Adheres to most materials. Acetoxy cure. Meets ASTM C920-86.