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| Specification | Based on drawings or require customization. |
| Material | More than 99.99% SiO2 |
| Customized Service | Ends closing, sand blasting, polishing, bending, cutting, pinching, burning mouth and so on |
| Density g/cm2 | 2.2 |
| Maximum operating temperature | 1120℃ |
| Tolerance control | min:±0.01mm (Adjust according to the actual situation) |
| Thermal Properties | Coefficientof Expansion (20℃-350℃) | 5.5*10-7/℃ |
| Thermal Conductivity (W/m℃, 20℃) | 1.4 | |
| Specific Hear (J/kg, 20℃) | 670 | |
| Softening Point (viscosity) | 1730℃ | |
| Annealing Point | 1215℃ | |
| Deformation Temperature (long time heat retaining) | 1120℃ |
| Electrical Properties | Electrical Resistivity (350℃, omh-cm) | 7*107 |
| Insulating Strength (20℃, KV/em) | 250-400 | |
| Dielectric Constant | 3.7 |
| Corrosion Amaunt | H2SO4 | Density 1.84, 2h, 20℃, g/cm2 | 1.4*10-8 |
| HNO3 | Density 1.4, 2h, 20℃, g/cm2 | 5*10-8 | |
| HCL | Density 1.19, 2h, 20℃, g/cm2 | 15*10-8 | |
| NaOH | 1%, 2h, 110℃, g/cm2 | 166*10-6 | |
| KOH | 1%, 2h, 98℃, g/cm2 | 68*10-6 |
| Mechanical Properties | Density g/cm2 | 2.2 |
| Compression Strength N/mm2 | 1100 | |
| Bending Strength N/mm2 | 67 | |
| Tension Strength N/mm2 | 48 | |
| Micor Hardness N/mm2 | 8600-9800 | |
| Moh's Hardness | 5.5-6.5 |