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| Optical Refractive Index (633 nm) Core glass 1.5031 Compression layer 1.5114 Photo-elastic constant 31.8 nm/cm/MPa Chemical Strengthening* Compressive stress Capable > 800 MPa Depth of layer Capable > 100 [Jm Optical Transmission | ||||||||||||||||||
| Dimensions Standard sheet size: Available thicknesses: | ||||||||||||||||||
| 405 mm x 460 mm 0.7mm - 2.0mm | ||||||||||||||||||
| Viscosity Softening Point (107-6 poises) Annealing Point (10132 poises) Strain Point (1014-7 poises) Properties Density Young's Modulus Poisson's Ratio Shear Modulus Vickers Hardness (200g load) Un-strengthened Strengthened Fracture Toughness MPa m1/2 Thermal Coefficient of Expansion (0-300°C) | ||||||||||||||||||
| 837°C 602°C 553°C 2.45 g/cm3 73.3 GPa 0.21 30.1 GPa 622 kgf/mm2 701 kgf/mm2 0.7 91 x 10-7/°C | ||||||||||||||||||
| Wavelength (nm) *A key aspect of the design of the strengthened glass article includes proper selection of the magnitude of compressive stress and the depth of compression layer appropriate for the application. | ||||||||||||||||||
| For additional information, or to request a sample, please contact: Corning Incorporated Technical Materials HP-CB-08 Corning, NY 14831 Phone: +1-978-442-2283 Fax: +1-607-974-7618 | ||||||||||||||||||
| © 2008 Corning Incorporated | ||||||||||||||||||