Imperial KK0296-A Stove and Fireplace Mortar, Paste, Buff, 10.3 oz Cartridge
Use for repairing cracked and chipped firebrick and tuck pointing mortar into damaged masonry-to-masonry joints where cracks are 1/4 in or less. Non-asbestos, great bonding strength. Durable as firebrick when heat cured. Resists temperatures up to 1093 deg C (2000 deg F).