| Chemical Strength | Compressed Stress(CS):700 | ||||
| Depth Of Layer(DOL):40 | |||||
| Thermal Properties | Softening Point: 890°C | ||||
| Annealing Point: 640°C | |||||
| Strain Point:590°C | |||||
| Maximum Operating Temperature: 500°C | |||||
| Thermal Expansion Coefficient (20°C to 300°C): 4.1 × 10⁻⁶/°C | |||||
| Thermal Conductivity:1.1 W/m*K | |||||
| Coefficient of Thermal Stress:~0.65 MPa·K | |||||
| Optical Properties | Refractive Index: 1.52 | ||||
| Light Transmittance: 94%(with single side AR coating) | |||||
| UV Cut-off Wavelength: ~320 nm | |||||
| Solar Energy Transmittance: 92~94% for solar panel appliction | |||||
| Mechanical Properties | Density: 2.45 g/cm³ | ||||
| Young's Modulus: 72 GPa | |||||
| Hardness (Moh’s Scale):6 to 7 | |||||
| Poisson's Ratio: 0.23 | |||||
| Bending Strength: 120-150 MPa | |||||

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