北京clay square pipe brick

Raw materials of clay tee brick:

The main raw material of clay tee brick is silty or sandy clay, and its main chemical composition is SiO2, Al2O3, Fe2O3 and crystal water. Due to different geological formation conditions, there may also be a small amount of alkali metals and alkaline earth metal oxides. The production technology of clay brick mainly includes soil sampling, mud refining, Adobe making, drying, roasting, etc.

The content of impurities in raw materials also has a great influence on the baking temperature of clay solid bricks and the color of finished products.