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Quartz Crucible
Description
Quartz crucible has the advantages of high purity, high temperature resistance, high dimensional accuracy, good heat preservation, etc. Widely used in semiconductor, solar energy, laboratory and other fields. Product purity SiO2>99.99%, softening point temperature about 1730°C, long-term use temperature 1100°C, short-term maximum 1450°C.
Specifications
| Purity | SiO2>99.99% |
| Density | 2.2 g/cm3 |
| Micro Hardness | 8600~9800 N/mm2 |
| Moh's hardness | 5.5~6.5 |
| Bending Strength | 67 N/mm2 |
| Tension Strength | 48 N/mm2 |
| Dielectric Constant | 3.7 |
| Compression Strength | 1100 N/mm2 |
| Long time used temperature | 1100°C |
| Insulating Strength (20°C) | 250~400 KV/cm |
| Softening point temperature | 1730°C |
| Electrical Resistivity (350°C) | 7×10^7 ohm-cm |
| Short-time maximum use temperature | 1450°C |
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