The firebrick clay brick is also called sintering brick, which is a small artificial block used in construction. Clay brick is made of clay (including shale, coal gangue and other powder) as the main raw material, and is processed, formed, dried and baked with solid and hollow materials.refractory tiles for boilers.
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Clay brick, clay brick mainly consists of mullite (25% - 50%), quartz and quartz (up to 30%). Usually, the mature materials are calcined in advance with hard clay, then soft clay is used to form by semi dry or plastic method. The clay brick products are fired at 1300-1400 ℃. It is a common refractory brick in blast furnace, hot blast furnace, heating furnace, power boiler, lime cellar, rotary cellar, ceramic and refractory brick.refractory tiles for boilers.