2600°F High temperature waterproof mortar used for joints minimum 1/4'' up to 2 inches. Ideal for firebrick joints of a wood oven dome for example.
In 50 pounds bag.
Water quantity required per 50 pounds bag: 4.54 liters.
Alumina content: 41.4%.
One 50 pounds bag covers approximately 50 bricks using 1/4'' joints.