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.

High-purity quartz glass can be used to make optical fiber.

With the development of semiconductor technology, quartz glass is widely used in various processes of semiconductor production. For example, the Czochralski method converts polycrystalline into single crystal silicon; the cleaning tank used for cleaning; the diffusion tube and the groove boat used for diffusion; the bell jar used for ion implantation, etc.