1. glass: the main raw materials of flat glass, float glass and glass products (glass jars, glass bottles, glass tubes, etc.). ), optical glass, glass fiber, glass instrument, conductive glass, glass cloth, special radiation-proof glass.
2. Ceramics and refractories: blank glaze of porcelain, raw materials such as high-silica brick, ordinary silica brick and silicon carbide for kiln.
3. Metallurgy: raw materials, additives and fluxes of metallic silicon, ferrosilicon alloy and silicon-aluminum alloy.
4. Construction: concrete, cementitious materials, road building materials, artificial marble, cement physical performance testing materials (i.e. cement standard sand), etc. 5. Chemical industry: raw materials such as silicon compounds, water glass, sulfuric acid tower packing, amorphous silicon micropowder.
6. Machinery: the main raw materials and grinding materials of casting molding sand (sandblasting, hard sandpaper, sandpaper, emery cloth, etc.). ).
7. Electronics: high-purity metallic silicon, optical fiber for communication, etc.
Eight, rubber, plastic: filler (can improve wear resistance)
Nine, coating: filler (can improve the acid resistance of coating)
10. Aerospace: Its inherent molecular chain structure, crystal shape and lattice change law are characterized by high temperature resistance, small thermal expansion coefficient, corrosion resistance, high insulation, piezoelectric effect, resonance effect and its unique optical characteristics.
1, round bracelets, also known as Fu bracelets and Ping 'an bracelets, are round as a whole and relatively simple to wear. This kind of bracelet was very popu