Clay bricks - fourteen pieces per square

Clay bricks, also known as sintered bricks, are small man-made blocks used in construction. Clay bricks are made of clay (including shale, gangue and other powders) as the main raw material, and are processed, shaped, dried and baked. There are solid and hollow types.

Clay bricks, clay bricks are mainly made of mullite(25% ~ 50%), glass phase (25% ~ 60%) and cristobalite and quartz (up to 30%). Usually hard clay is used as the raw material, and the clinker is pre-calcinated, and then mixed with soft clay, formed by a semi-dry method or a plastic method, and fired at a temperature of 1300 to 1400 C to produce clay brick products. It is a commonly used refractory brick in blast furnaces, hot blast furnaces, heating furnaces, power boilers, lime kilns, rotary kilns, ceramics and refractory brick firing kilns.