There are many kinds of asbestos. This salt mineral has one characteristic. They all have slender and flexible fibers, which can be used by people. Usually, asbestos refers to some kinds of chrysotile and amphibole. In China, asbestos was mentioned in documents before the pre-Qin period, and it was called asbestos, fire rat and fire cloth at that time.
The fiber of asbestos has the properties of flexibility, acid resistance, alkali resistance, high temperature resistance and insulation, and some asbestos also has the function of filtration. Asbestos are white, blue, green and yellow. It has a silky luster. Asbestos has a wide range of uses. In addition to building materials, it can also be used in more than 3000 product fields, such as safety clothing, fire-proof fabrics, heat insulation materials and so on.
Application of asbestos
Asbestos is widely distributed in the world and its price is relatively low, so it once became a popular material in the world and was widely used in industrial construction such as construction and vehicle manufacturing. For example, asbestos board, asbestos tile and thermal insulation materials in the construction industry are widely used to manufacture insulating electrical materials, pressure plates, brake pads, water pipes and so on.
Asbestos with longer fibers can reach more than two meters, which can be used to make fireproof textiles. Asbestos has been widely used in ancient times because of its fibrous structure and easy processing.
Short mineral fiber asbestos is used to make cement and asbestos sound insulation materials. 1900, Austrian Ludwig Haschek fused asbestos fiber with cement to make a lightweight, waterproof, fireproof, heat-insulating and low-cost material, which opened a new era of asbestos synthetic products.
Refer to the above content: Baidu Encyclopedia-Asbestos