The composition of clay bricks

Clay bricks are mainly composed of mullite (25%-50%), glass phase (25%-60%), cristobalite and quartz (up to 30%). Usually hard clay is used as raw material, mature materials are first calcined, and then soft clay is mixed with semi-dry method or plastic method to form clay brick products. Burned products and amorphous materials. It is widely used in blast furnaces, hot blast furnaces, heating furnaces, power boilers, lime kilns, rotary kilns, ceramic refractory brick firing kilns.