Quartz wafers offer excellent optical performance as well as thermal shock resistance, low thermal expansion coefficient, high-temperature resistance, chemical stability and good electrical insulation. They are widely used in semiconductor manufacturing, electro-optical sources, semiconductor communication devices, lasers, optical instruments, laboratory instruments, electrical equipment, medical equipment, high-temperature and corrosion-resistant chemical instruments, chemical engineering, electronics, metallurgy, building materials, defense industries, printing and dyeing, plastics, food processing and healthcare applications.