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General Aluminosilicate Display Glass

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Properties

General

Density ρ

2.4 - 2.5 g/cm³ at 20 °C

Mechanical

Elastic modulus E

70 - 80 GPa at 20 °C

Hardness, Vickers HV

480 - 670 [-] at 20 °C

Poisson's ratio ν

0.2 [-] at 20 °C

Shear modulus G

26000 - 31700 GPa at 20 °C

Optical

Refractive index nd

1.49 - 1.51 [-]

Thermal

Annealing temperature Tanneal

610 - 650 °C

Coefficient of thermal expansion α

3.38E-6 - 9.8E-6 1/K at 300 °C

Vicat softening temperature Tsoft

820 - 910 °C