Wm Harvey 045020 1/2 Pint Non-Asbestos Furnace Cement Wm Harvey 045020 1/2 Pint Non-Asbestos Furnace Cement Features:;Air sets to rock-hard body;Has high affinity for all gas-tight and fireproof for temperatures up to 500; F;Also used as firebrick mortar and to patch fire boxes;1/2 pint