Transparent Quartz wafer 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. Density:2.2g/cm3 Degree of hardness:5.5-5.6 Mohs Scale Softening point:1750 Strain:1270 Fuses the quartz glass brick Ingrdient:SIO2 99.9%, Fe2O3 30ppm Blow Thickness :2-5mm Outer diameter:350 Blow parameter of plate series Ultraviolet transmission rate % PPM Catalogue of parameter Application ≥45 ≥88 >5 GE214 PH300 /308ND,Ovisi1452 Metal halide lamps and other applications requiring hydroxyl free material ≥45 ≥88 <2 GE214 PH300/308ND,Ovisi1451 Metal halide lamps and other applications requiring hydroxyl free material ≥45 ≥88 ≥1 GE214A PH300/308SD,Ovisi1451 Metal halide lamps and other applications requiring hydroxyl free material ≥45 ≥88 ≥1 GE214A PH300/308SD,Ovisi1451 High rate of transmittance hydroxyl free metal halide lamp etc.

Issue Time:		2010-07-15
Expire Time:		2011-07-15