The SiO2 content of quartz glass could reach of 99.99%
Quartz glass has strong hardness.Its Morse level is 7.
It has high temperature resistance.The quartz glass can work under 1200°C continuously,and in short time can even work under 1500°C.
It does not react with any acid (except Hydrofluoric acid)and alkali.
The OH content could be controled in less than 20
PPM, 15 PPM, 10 PPM, 5 PPM ,2 PPM.
