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Quartz Crucible
Description
Quartz crucible has the advantages of high purity, high temperature resistance, high dimensional accuracy, etc. It is widely used in semiconductor, solar energy and other fields. Product purity SiO2>99.99%, softening point about 1730°C, long-term use temperature 1100°C, short-term maximum 1450°C. Various sizes available and customizable according to customer drawings.
Specifications
| Density | 2.2 g/cm³ |
| Bow/1000mm | 2.0mm |
| Out of Round | 1.5% to 2.0% |
| Micro Hardness | 8600~9800 N/mm² |
| Moh's hardness | 5.5~6.5 |
| Bending Strength | 67 N/mm² |
| Siding (Ovality) | 10% to 15% |
| Tension Strength | 48 N/mm² |
| Dielectric Constant | 3.7 |
| Compression Strength | 1100 N/mm² |
| Diameter Tolerance (OD) | ±1.00% to ±2.00% |
| Purity (SiO₂ content) | >99.99% |
| Long-term use temperature | 1100°C |
| Short-term max temperature | 1450°C |
| Insulating Strength (20°C) | 250~400 KV/cm |
| Softening point temperature | ~1730°C |
| Wall Thickness Tolerance (WT) | ±8% to ±12% |
| Electrical Resistivity (350°C) | 7×10⁷ ohm-cm |
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