Quartz glass is usually made by smelting, cutting and grinding quartz, and its silica content can reach more than 99.99%. The hardness is seven on the Mohs scale, and it has the characteristics of high temperature resistance, low thermal expansion coefficient, thermal shock resistance and good electrical insulation performance. Usually colorless and transparent, the visible light transmittance is above 85%. As a quartz wafer company, today I will talk to you about the application areas of quartz glass.
Quartz tubes are drawn by vertical continuous fusion. Domestic state-owned enterprises and individual private companies introduced European equipment 30 years ago. After 30 years of development, conventional-sized quartz tubes have become very mature. The processing of quartz glass is traditionally achieved by cutting a quartz mound or cutting and flattening a quartz tube. Quartz is not a metal. Any link involving horizontal cutting and polishing is very troublesome and the cost remains high. The relatively low-cost continuous fusion-drawn quartz plate is a technology within 10 years, so far only a few companies can realize it, and the yield is still low, so the cost will not be low.
The application field of quartz glass is very wide. The formation of quartz glass is the result of the high viscosity of its melt at high temperatures. Used in the production of semiconductors, electric light sources, semi-conducting communication devices, lasers, optical instruments, laboratory instruments, electrical equipment, medical equipment and high temperature and corrosion resistant chemical instruments, chemical industry, electronics, metallurgy, building materials, national defense and other industries, applications Very extensive. In addition, the quartz plate has high precision, no bubbles, flat and smooth surface, corrosion resistance, and good light transmission. It is especially suitable for optical, electronic, chemical, military and other optical instrument observation windows.
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