Fireproof bricks wholesale

Fireproof brick is a non-flammable, water-resistant inorganic fire blocking material can be used outdoors, there is water in the environment, this product has excellent waterproof fire-resistant, oil resistant performance, non-toxic, tasteless, simple construction method , replacement, reduction convenient pull cables for electric power, metallurgy, petrochemical, chemical, construction and other industries cable through the floor, plugging holes through walls and build the cable trench tunnel barrier firewall and so on.