Cheap Fire Bricks For Sale From RS Group Refractory Company
Raw Materials of Fire Bricks For Sale. The main raw materials of fire bricks for sale are fire clay. Fire clay is mainly composed of hydrated aluminum silicate, and its molecular formula is Al 2 O 3 ·2SiO 2 ·2H 2 O. It has the ability to not deform, crack, soften or paste at high temperatures.