What are the characteristics of common quartz sight glass?

Quartz glass features:

1, high temperature. Quartz glass softening point temperature of about 1730 ℃, can be used at 1100 ℃ for a long time, the shortest time the maximum temperature of up to 1450 ℃.

2, corrosion resistance. In addition to hydrofluoric acid, the quartz glass is almost no chemical reaction with other acids, the acid resistance is 30 times the ceramic, 150 times the stainless steel, especially at high temperature chemical stability, is any other engineering materials are not Match.

3, good thermal stability. Adapt to the glass thermal expansion coefficient is minimal, can withstand severe temperature changes, the quartz glass heated to about 1100 ℃, into the room temperature water will not burst.

4, good light transmission performance. Quartz glass in the ultraviolet to infrared spectrum of the entire spectrum have a good light transmission performance, visible light transmittance of 93% or more, especially in the ultraviolet spectrum, the maximum transmittance of up to 80 or more.

5, quartz glass electrical insulation performance is good. Quartz glass resistance value equivalent to 10,000 times the ordinary glass, is an excellent electrical insulation material, even at room temperature also has good electrical properties.
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