sillimanite

Yuxi stone is mainly used for manufacturing high aluminum refractory and acid resistant materials, and used for technical ceramics, spark plug insulation of internal combustion engine, cast steel crucible, high temperature determination tube and aircraft, automobile, train, ship parts with silicon aluminum alloy. The brightly colored yuxi stone is the raw material of precious stones. Compared with advanced countries in the world, the development and application of the late start, in the 1960s, fujian Putian will be rich in white mica yuxi stone schist directly cut into a variety of shapes, sizes of refractory sales to the province and beyond.

In the late 1970s, due to the construction of Shanghai Baosteel, foreign parties proposed the use of three stones including Yuxi stone, which promoted the development and application of Yuxi stone in China. At that time, Baosteel mainly used sillimanite in the soaking furnace, the key parts of the heating furnace high aluminum brick and 300 tons of ladle steel jade sliding plate.