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How to distinguish quartz from ordinary glass

Click: -Time:2019-09-11 09:00
Quartz glass is made by melting various pure natural quartz (such as crystal, quartz sand, etc.). The coefficient of linear expansion is very small, which is 1/10-1/20 of ordinary glass. It has good thermal shock resistance. Its heat resistance is very high. It is often used at 1100 - 1200 degrees Celsius and can reach 1400 degrees Celsius in short-term use. Quartz glass is mainly used in laboratory equipment and refining equipment for special high purity products. Because of its high spectral transmission, it will not be damaged by radiation (other glass will darken after being irradiated by radiation), so it is also an ideal glass for spacecraft, wind tunnel windows and spectrophotometer optical systems.
quartz glass tubes, quartz glass sheets
Therefore, the way to distinguish quartz glass from ordinary glass is to look at heat resistance, but this may lead to the breakage of glass materials, which requires caution.
 
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