The main defects are under burning, over burning, damage, pollution, black core, distortion, cracks and so on.Under burning is caused by insufficient firing temperature, insufficient holding time or leakage of cold air. In general, the unburned brick has low mechanica··· ...

Insulating Fire Brick,There are two main types of high temperature fire brick: Soft brick ,Insulating Fire Brick and Hard or Dense Fire Brick.Both types are made of refractory fire clay, alumina to make it more refractory (resistant to heat), and grog which is ground ··· ...

Research And Markets recently released a report on the world's refractory materials forecast in 2025. It is expected to reach US$27.4 billion in 2025, with a total growth rate of 3.4% from 2020 to 2025.The refractory market is experiencing moderate growth, due to ··· ...

There are mainly the following aspects:1. Improper use of refractory materials: Alternative refractory materials should be different according to the melting temperature, glass composition, and use parts. For example, high-silicon and low-alkali materials, quartz refr··· ...

Unshaped refractory materials commonly used in the cement industry are mainly composed of refractory castables, refractory ramming materials and refractory spray coatings. The most widely used is refractory castable.Light alkali resistant castableIn cement and decompo··· ...

Some friends have caused the refractory castable to get damp because of the wrong storage method. Could the refractory castable be used normally after it gets wet? 1. Could the refractory castable be used normally after being damp?The refractory castable in storage ma··· ...

Corundum and mullite castable is a product that combines the advantages of corundum and mullite castable. Generally used in large cement kiln front and rear kiln mouth, coal injection pipe and other industrial kiln lining and other parts. The main raw materials are de··· ...

Fused zirconium mullite wear-resistant bricks are made of high-quality mullite, zircon sand and other raw materials, melted at high temperature in an electric arc furnace, and cast. Its compact structure has the advantages of wear resistance, impact resistance, high t··· ...

Zirconium ramming material is mainly composed of zirconium aggregates, powders, binders, and additives. It is an amorphous refractory with low plasticity and is used in glass kilns.There are two commonly used zirconium ramming materials for glass kilns, namely zircon ··· ...

Corundum and mullite bricks are made of corundum and mullite as the main raw materials, and are fired at high temperature in an oxidizing atmosphere by adding an appropriate amount of alumina, silica ultrafine powder and additives. The content of AL2O3 is 72%~90%.Prod··· ...