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Quartz Crucible
Description
Quartz crucible has the advantages of high purity, high temperature resistance, high dimensional accuracy, energy saving, stable quality, etc. Widely used in semiconductor, solar energy and other fields. Product purity SiO2>99.99%, softening point temperature about 1730°C, long-term use temperature 1100°C, short-term maximum use temperature 1450°C.
Specifications
| Siding | 10% ~ 15% |
| Density | 2.2 g/cm³ |
| Bow/1000mm | 2.0mm |
| OD Tolerance | ±1.00% ~ ±2.00% |
| Out of Round | 1.5% ~ 2.0% |
| WT Tolerance | ±8% ~ ±12% |
| Purity (SiO2) | >99.99% |
| Micro Hardness | 8600~9800 N/mm² |
| Moh's Hardness | 5.5~6.5 |
| Corrosion (HCl) | 15×10⁻⁸ g/cm² |
| Bending Strength | 67 N/mm² |
| Corrosion (HNO3) | 5×10⁻⁸ g/cm² |
| Tension Strength | 48 N/mm² |
| Corrosion (H2SO4) | 1.4×10⁻⁸ g/cm² |
| Corrosion (KOH 1%) | 68×10⁻⁶ g/cm² |
| Corrosion (NaOH 1%) | 166×10⁻⁶ g/cm² |
| Dielectric Constant | 3.7 |
| Compression Strength | 1100 N/mm² |
| 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 |
| Electrical Resistivity (350°C) | 7×10⁷ ohm-cm |
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