Rutland Stove Gasket Cement Black 10.3 Oz Cartridge - 78 Multi-use cement for gaskets and small stove repairs | Adheres fiberglass stove gaskets to metal | Can also repair small metal cracks or bond metal to metal | Rated to 2000?F (1090?C) The Original black silicate-ceramic stove cement. Adheres all types of gasket materials to airtight stoves and is used for making metal to metal or metal to masonry repairs.