High Temperature Resistance Quartz Glass Tube with High Light Transmittance and Strong Hardness for Laboratory Use
Product Details
| Name: | Quartz Glass Tube | Feature: | Strong Hardness |
|---|---|---|---|
| Shape: | Round | OD: | 3-300mm |
| Light Transmittance: | >92% | Working Temparature: | 1100℃ |
| Color: | Transparent | Resistance Value: | 1000 Times Than Ordinary Glass |
| Highlight |
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Product Description
- High purity construction from 99.99% pure quartz material
- Exceptional hardness reaching Morse level 7
- High temperature resistance: continuous operation at 1200°C, short-term use up to 1500°C
- Superior acid and alkali resistance (excluding Hydrofluoric acid)
- Excellent electrical insulation: 10,000 times better than standard glass
- High light transmittance ranging from 85%-95% depending on spectrum
- Outstanding thermal shock stability with minimal thermal expansion coefficient of 5.5×10⁻⁷/℃
- Precision control available in less than 20 PPM, 15 PPM, 10 PPM, 5 PPM, and 2 PPM
| Property | Specification |
|---|---|
| SiO₂ Content | 99.9% |
| Density | 2.2 g/cm³ |
| Mohs Hardness | 6.6 |
| Melting Point | 1732°C |
| Working Temperature | 1100°C |
| Short-term Max Temperature | 1450°C |
| Visible Light Transmittance | Above 93% |
| UV Spectral Transmittance | 80% |
| Annealing Point | 1180°C |
| Softening Point | 1630°C |
| Strain Point | 1100°C |
| Type | JGS1 (ZS-1) | JGS2 (ZS-2) | JGS3 (HS) |
|---|---|---|---|
| Spectral Characteristics | 180-2500nm | 200-2500nm | 260-3500nm |
| Average Transmittance | 90% | 85% | 85% |
| Bubble Class | 0 | 2 | 2 |
| Birefringence | 1-2 | 1-2 | 1-2 |
| Grain Structure | 1 | 2 | 2 |
| Fringe | 1-2 | 2 | 2 |
| Uniformity | 1-2 | 2 | 2 |
| Fluorescence | 1 | 2 | 2 |
| Radiation Performance | Does not change color | Slight discoloration | Changes color |
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