Photovoltaic glass

Strain Point: 500 degree C

14.Annealing Point: 550 degree C

13.Softening Point: 720 degree C

12.Expansion Coefficient: 9.03x10-16/degree C

11.Hemispherical Emissivity: 0.84

10.Tensile Strength: 42MPa

9.   Youngs Modulus: 73GPa

8.   Density: 2.5g/cc

7.   Poissons Ratio: 0.2

6.   Iron Content: <= 120ppm Fe2O3

5.   Solar Transmittance(3.2mm): more than 91.6%

4.   Toughened Min size : 300mm x 300mm

3.   Annealed Max size : 2200mm x 3300mm

2.   Thickness Tolerance: 3.2mm

Photovoltaic glass