Material | 99.99% sio2 | Specific heat(20℃) | 660J/kg℃ |
Color | clear | Softening point | 1730℃ |
Density | 2.2×103kg/m2 | Design Compressive Strength | Greater than 1.1 x l09 Pa (160,000 psi)SMD 5730 |
Hardness | 5.5 – 6.5 Mosh’ Scale 570 KHN 100 | Annealing point | 1250℃ |
Tensile strength | 4.8×107 Pa (N/m2) (7000 psi) | Thermal stability | Put the quartz boat from 1100 °C to 20 ℃
three times, will not cracks. It will be not changed color under 1100 degree for three hours. |
Compression strength | >1.1×109 Pa | Bulk Modulus | 3.7×1010 Pa (5.3×106 psi) |
Coefficient of thermal expansion (20℃-300℃) |
5.5×10-7cm/cm℃ | Rigidity Modulus | 3.1×1010 Pa (4.5×106 psi) |
Thermal conductivity (20℃) | 1.4W/m℃ | Softening Point | 1730°C |
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