... quartz heater tube, quartz tube, silica tube,quartz plate,quartz glass plate,quartz sheet,further processing quartz tube/ process quartz ... ,quartz glass sheet,quartz plate, quartz disc, quartz cover,quartz plate,thin quartz plate,large diameter quartz plate Our clear fused quartz ... 1230 Transformation point Strain point (°C) 1140 Young's Modulus: (Pa) 7.3 × 105 Application: The product is widely used: ...