100-Percent RTV Silicone Sealant that forms a tough rubbery adhesive seal and maintains integrity at 450-Degree F continuously and 500-Degree F intermittently. Ideal for sealing pellet stove flues and gas appliance vent pipes. Indoor and outdoor use. Adheres to metal, glass, plastic, fiberglass, aluminum, wood, brick and slate. Black in color.From the Manufacturer100-Percent RTV Silicone Sealant that forms a tough rubbery adhesive seal and maintains integrity at 450-Degree F continuously and 500-Degree F intermittently. Ideal for sealing pellet stove flues and gas appliance vent pipes. Indoor and outdoor use. Adheres to metal, glass, plastic, fiberglass, aluminum, wood, brick and slate. Black in color.
