It's made from natural quartz after the process of melting and fine grinding. It has high purity,
heat resistance and corrosion resistance, also be low coefficient of thermal expansion.
It contains no air bubble and controlled to the grade of PPM, has the great performance
such as high temperature proof, chemical stability, perfect insulation and transmittance, etc.
Quartz glass has unique and outstanding performance
High Corrosion Resistance
Transmission of visible light>90%
Working temperature: 1100°C
OH content less than 20ppm, 15ppm,10ppm,5ppm and 2ppm.