Thermal Properties | Softening Point: 650°C-720°C |
Annealing Point: 500°C-550°C | |
Strain Point: 470°C-500°C | |
Maximum Operating Temperature: 500°C-600°C | |
Thermal Expansion Coefficient (20°C to 300°C): 3.2-4.0 × 10⁻⁶/°C | |
Thermal Conductivity:0.9-1.2 W/m*K | |
Coefficient of Thermal Stress:4-5 MPa·m¹/² | |
Optical Properties | Refractive Index: 1.50-1.55 |
Light Transmittance: 90%~92%(400–700 nm) | |
UV Cut-off Wavelength: ~300-320 nm | |
Solar Energy Transmittance: 85~90% for solar panel appliction | |
Mechanical Properties | Density: 2.5 g/cm³ |
Young's Modulus: 70-75 GPa | |
Hardness (Moh’s Scale):5.5 to 6 | |
Tempered Strength:Up to IK07 or higher, depending on thickness and coatings. | |
Poisson's Ratio: 0.22-0.25 | |
Bending Strength: 100-150 MPa |
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