Quartz glass tube is a special industrial technical glass made of silica, which is a very good basic material. Quartz glass has a series of excellent physical and chemical properties, such as:
1. High temperature resistance
The softening point temperature of quartz glass is about 1730 ℃, which can be used for a long time at 1100 ℃, and the maximum use temperature can reach 1450 ℃ in a short time.
2. Corrosion resistance
Except for hydrofluoric acid, quartz glass hardly chemically reacts with other acids. Its acid resistance is 30 times that of ceramics and 150 times that of stainless steel. Especially its chemical stability at high temperatures is beyond any other engineering materials. Comparable.
3. Good thermal stability
The thermal expansion coefficient of quartz glass is extremely small, can withstand drastic temperature changes, the quartz glass is heated to about 1100 ℃, and will not burst when it is suddenly placed in normal temperature water.
4. Good light transmission performance
Quartz glass has good light transmission performance in the entire spectral band from ultraviolet to infrared, and the visible light transmittance is above 93%, especially in the ultraviolet spectrum region, the maximum transmittance can reach more than 80.
5. Good electrical insulation performance
The resistance value of quartz glass is equivalent to 10,000 times that of ordinary glass. It is an excellent electrical insulating material and has good electrical properties even at high temperatures.
Quartz glass is widely used in various fields such as electric light sources, semiconductors, optical communications, military industry, metallurgy, building materials, chemistry, machinery, power, environmental protection, etc. due to its excellent physical and chemical properties.
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