... tubing,uv prevent quartz tube, uv quartz glass tube Physical Properties: Density 20°C Kg.m-3 (x 103)2.2Coefficient ... )1670Annealing point(°C)1210Strain point(°C)1110Youngs modulus(Pa)7.3 x 1010 Range of ODODWTSidingOut of RoundBow/1000mm10mm Max±2.00%±10 ... lamp, thermocouple, copiers lights, water treatment lamp casing, all kinds of quartz vessels, pipelines and other fields. Our clear fused quartz ...