As a general term for natural fiber like siliceous mineral, asbestos wool is a kind of silicate mineral fiber widely used in building materials and fireproof boards. It is also a natural mineral fiber. It has good tensile strength, good heat insulation and corrosion resistance, and is not easy to burn, so it is widely used. There are many types of asbestos, and the three common types are chrysotile asbestos (white asbestos), iron asbestos (brown asbestos), and blue asbestos (blue asbestos). Among them, chrysotile asbestos is rich in content and has a wide range of uses.