It is a special glass that contains silicon dioxide. Our quartz glass board is made from natural quartz after the process of melting and fine grinding.
It is transparent and colorless, contains no air bubble and no processing trade will be found. It is purity is controlled to the grade of PPM, and also has the great performance such as how heat expansion rate, high temperature proof, chemical stability, perfect insulation, etc.
Specification:
Density 2.2g/cm³
Degree of hardness 5.5-5.6 Mohs Scale
Softening point 1750C
Strain 1270C Fuses the quartz glass brick
Ingrdient SIO2:99.9%, Fe2O3: 30ppm Blow
Shape round, square, rectangular, on request
Application: High temperature proof, Scientific research, Medical, Electronic instrument, Optical industry, Vacuum instruments and light source, etc.
