Soft Fire Brick For Sale Cheap RS Factory Manufacturer
Soft Fire Brick Properties. Soft fire bricks mainly have the following properties. Light weight. Lightweight refractory brick has a dry capacity of only 500700Kg/m 3, which is 1/4 of ordinary concrete, 1/3 of clay, and 1/2 of hollow soft fire bricks'' bulk density is smaller than water, it is commonly called aerated concrete floating on the water.