The difference between fireclay and firebrick

 Firebrick is a mixture of stone powder and clay fired in a kiln at 1300 degrees Celsius. Firebrick is a refractory material with a certain shape and size.

According to the preparation process, it can be divided into fired brick, unfired brick, electric fused brick and fire-resistant and heat-insulating brick. Refractory?fire brick?It can divide for standard brick, common brick, unusual brick to wait by shape and dimension.?Firebrick?can be used as high temperature building materials and structural materials for building kilns and various thermal equipment, and can withstand various physical and chemical changes and mechanical action at high temperature. For example, refractory clay brick, high aluminum brick, silicon brick, magnesium brick and so on.

Fire-clay usually refers to a kind of clay refractory used in civil furnace and furnace chamber.

Clay refractory brick is a weak acid refractory material, its thermal stability is good, suitable for hot furnace, various boiler lining and flue, smoke chamber, etc. Under atmospheric pressure 1500 degrees or so the dosage is larger with silicon brick and clay brick. Silica brick is a siliceous product containing more than 93% SiO2. The raw materials used are silica, waste silicon brick, etc. Silica brick has a strong ability to resist acid slag erosion, but it is easily eroded by alkaline slag. Its softening temperature under load is high, which is close to its refractoriness, but its thermal shock stability is poor. Silica brick is mainly used in coke oven, glass melting furnace, acid steelmaking furnace and other thermal equipment.

The main crystal phases in the high alumina products of neutral refractory materials are mullite and corundum, the content of corundum increases with the increase of alumina content, corundum products containing more than 95% alumina are a kind of high-quality refractory with wide use. Chromium brick is mainly made of chromite and its main crystalline phase is chromite. It has good corrosion resistance to steel slag, but poor thermal shock resistance and low deformation temperature under high temperature.

We Changxing Refractory Material Co.,LTD is professional manufacturer and supplier of refractory materials for more than 30 years. Our high quality magnesia carbon bricks are good sold to many countries say South Africa, Bangladesh, Indonesia, Malaysia, etc. Shall any interests, welcome to contact us. Our team would make best to be your reliable partner!

Article Source：Tundish lining construction and refractory material composition
Company name: Henan Changxing Refractory Materials Co.,Ltd
More refractory products: https://www.cxrefractories.com/en-product-solution
Email:info@cxrefractories.com
Website:https://www.cxrefractories.com