quartz powder/ high purity quartz sand

The product is widely used: halogen lamps, mercury lamps, single-ended lamp, automobile lamp, stage lamp, thermocouple, copiers lights, water treatment lamp casing, all kinds of quartz vessels, pipelines and other fields. quartz tube, clear quartz tube, twin quartz tube,testing tube, test tube, labware, quartz tube, quartz glass tube, large diameter quartz tube, UV stop quartz tube, uv filter quartz glass tube, uv block quartz tube, fused quartz glass tube, quartz glass tube, fused quartz tube,one end closed quartz tube, quartz tube, further processing quartz tube, fire polished quartz tube, quartz tubing, heater quartz tube, quartz blister, quartz glass blister , quartz bulb, quartz labware, quartz crucible, crucible, crystal powder, silicon powder, fused quartz Tolerance Dimensional Tolerance Diameter Range Range of OD OD OD Thickness WT-degree partial wall Siding ellipticity Out of Round Bending Degree Bow/1220mm ≤ 6mm ± 2.0% ± 10% 12% 2.0% 2.5mm 6.00-15.00mm ± 1.25% ± 8% 10% 1.5% 2.5mm 15.00-20.00mm ± 1.25% ± 10% 15% 1.5% 2.5mm 20.00-25.00mm ± 1.25% ± 10% 15% 1.5% 2.5mm 25.00-30.00mm ± 1.35% ± 12% 15% 1.5% 2.5mm 30.00-80.00mm ± 1.5% ± 14% 15% 2.0% 2.5mmPhysical properties: Physical Properties Density Density 20 °C kg * m-3 (× 103) 2.2 Coefficient of Thermal Expansion Coefficient of expansion 25-300 °C °C -1 (× 10-6) 0.56 Softening Point Softening point (°C) 1710 Annealing point Annealing point (°C) 1230 Transformation point Strain point (°C) 1140 Young's Modulus Youngs modulus (Pa) 7.3 × 105Application: Application The product is widely used: halogen lamps, mercury lamps, single-ended lamp, automobile lamp, stage lamp, thermocouple, copiers lights, water treatment lamp casing, all kinds of quartz vessels, pipelines and other fields. It is widely applied for halogen lamp, mercury lamp, single-ended lamp, automobile lamp, stage lamp, thermocouple, printer lamp, sleeve for water treatment lamp, quartz utensils and pipes, etc