Quartz glass tube is a single component of silica. This glass has a hardness of seven. It has high temperature resistance, low coefficient, heat shock resistance, good chemical and electrical insulation properties, and can penetrate ultraviolet and infrared. In addition to the heat, it has acid resistance to the common acid. According to the degree, there are no two major categories. According to the purity, it is divided into three types: high purity, ordinary and doping. It is made of crystal, silica and silicide, which is made by melting or chemical vapor deposition at high temperature. The melting process includes electric melting, gas refining, etc.
The quartz glass tube is amorphous silica materials with single component, its microstructure is a simple network composed of silica structure composed of four, because of Si-O chemical bond energy is large, the structure is very close, so the quartz glass has unique properties, especially optical properties of quartz glass is excellent in ultraviolet to continuous the wavelength range of infrared radiation has excellent transmittance.
Quartz glass tube with high purity silica as raw materials, production is melting and quenching (material to be heated to the melting temperature, and then quickly cooled to solid glass phase); vaporization, oxidized silica heating and dissolving solution made of glass ultra high purity and UV transmittance for silicon.

 
The formation of the quartz glass tube is due to the high viscosity of the melt at high temperature. It is widely used in the manufacture of semiconductor, electro-optic source, semi-conductor communication device, laser, optical instrument, laboratory instrument, electrical equipment, equipment and high temperature and corrosion resistant chemical instrument, chemical industry, electronics, metallurgy, building materials and national defense industry.
High purity quartz glass tube can make optical fiber. With the development of semiconductor technology, quartz glass is widely used in all the processes of semiconductor production. For example, the Czochralski method transforms polycrystals into monocrystalline silicon, cleaning tanks for cleaning, diffusers for diffusion, chute boats, bell jar for ion implantation and so on.
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