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Soda-Lime (Float) Glass
Material Properties
Compressive (Crushing) Strength: 330 MPa (48 x 103 psi)
Density: 2.44 g/cm3 (152 lb/ft3)
Dielectric Constant (Relative Permittivity): 7.3
Dielectric Strength (Breakdown Potential): 13 kV/mm (0.5 V/mil)
Elastic (Young's, Tensile) Modulus: 70 to 71 GPa (10 x 106 psi)
Electrical Resistivity Order of Magnitude: 8 to 12 10x Ω-m
Flexural Strength: 41 to 165 MPa (5.9 to 24 x 103 psi)
Light Transmission Range: 0.35 to 2.7 µm
Refractive Index: 1.495 to 1.54
Shear Modulus: 29 GPa (4.2 106 psi)
Specific Heat Capacity: 720 to 800 J/kg-K
Strength to Weight Ratio: 8 to 72 kN-m/kg
Tensile Strength: Ultimate (UTS): 19 to 175 MPa (2.8 to 25 x 103 psi)
Thermal Conductivity: 0.96 to 1.05 W/m-K
Thermal Expansion: 8.6 to 9 µm/m-K
See Also
Dictionary of Glass: Materials and Techniques, Charles Bray, 2002
Glass Construction Manual, Christian Schittich et al., 1999
Glass: Mechanics and Technology, Eric Le Bourhis, 2007

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