A creamy smooth black silicate-ceramic type cement formulated specificallyto adhere fiberglass gasket to steel and cast iron. Holds fiberglass gasketin place without burning off. Withstands temperatures to up to 2000°F(1095°C). New easy to squeeze formulation bonds fiberglass replacement gaskets to cast iron and steel. Final cure with heat of stove offers superior adhesive performance. 3 oz. squeeze tube.