company news about Classification of refractory materials

There are many kinds of refractory materials, which are usually classified as ordinary refractory materials, high refractory materials and special grade refractory materials. The chemical properties are classified into acid refractory, neutral refractory and alkaline refractory. In addition, there are also used for special occasions of refractory. Acid refractory with silicon oxide as the main component, are commonly used silica bricks and clay bricks. Neutral alumina refractories, chromium oxide or carbon as the main ingredient, are commonly used mullite bricks . Refractory Magnesium Oxide, calcium oxide as the main component, are commonly used magnesia bricks.