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Round Tpye | Diameter: 1mm-500mm; Thickness: 0.5mm-500mm. | ||||||
Rectangle Tpye | Length: 5mm-2000mm; Width: 5mm-800mm; Thickness: 0.5mm-100mm | ||||||
Density | 2.2g/cm3 | ||||||
Compressive strength | 1100Mpa | ||||||
Young's modulus | 72000Mpa | ||||||
Modulus of rigidity | 31000Mpa | ||||||
Mohs hardness | 5.5~6.5 | ||||||
Transformation point | 1280°C | ||||||
Softening Point | 1780°C | ||||||
Annealing point | 1250°C | ||||||
Specific heat (20 ~ 350 °C) | 670J/kg.°C | ||||||
Thermal conductivity (20 °C) | 1.4W/m.°C | ||||||
Index of refraction | 1.4585 | ||||||
Thermal processing temperature | 1750~2050°C | ||||||
Short-term working temperature | 1300°C | ||||||
Long-term working temperature | 1100°C | ||||||
Strain | 1270 C Fused The Quartz Glass Brick | ||||||
PPM grade | Controlled 10/20/100 PPM | ||||||
Electrical Resistivity: 1000℃ | 1x106 Ω. cm |