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Mullite

Mullite is a high-quality refractory raw material, and this type of mineral is relatively rare.
Mullite is a mineral produced by aluminosilicate at high temperature, and mullite is formed when aluminosilicate is artificially heated. Produced when calcining clay, high alumina raw materials (such as kyanite, andalusite, sillimanite) and ceramics. It is the main component of clay brick, high alumina brick and porcelain.

Application

Mullite is suitable for refractory materials, ceramics, metallurgy, casting, electronics and other industries. It has the characteristics of high temperature resistance, high strength, low thermal conductivity, and significant energy saving effect. Lining of tunnel kilns, electric porcelain drawer kilns, glass crucible kilns and various electric furnaces.

Features

Mullite is colorless. It contains rose red or blue when it contains impurities. Orthorhombic crystal system, into columnar or needle-like crystals. Mullite is a high-quality refractory material, mainly including high-purity fused mullite, ordinary fused mullite, all natural bauxite concentrate sintered mullite and lightly burned mullite.

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