Fused Quartz Glass Rod (high purity)

high purity, elevated temperature characteristics and low coefficient of thermal expansion

Dimensional Tolerance  Range of OD OD          OD             Thickness     Siding    Out of Round   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%          2.5mm

 Physical properties:Density Density 20 °C kg * m-3 (× 103) 2.2 Coefficient of Thermal Expansion:25-300 °C °C -1 (× 10-6) 0.56 Softening Point: (°C) 1710 Annealing point: (°C) 1230 Transformation point Strain point (°C) 1140 Young's Modulus: (Pa) 7.3 × 105