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Corning Large Cover Gorilla® Glass Touch Screen Glass

Category Ceramic , Glass , Optical
Manufacturer Corning Incorporated
Trade Name Large Cover Gorilla® Glass
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
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Material Notes:
Corning® Gorilla® Glass is a damage-resistant cover glass that is elegant, lightweight, and durable enough to resist many real-world events that commonly cause glass failure. The composition of Corning Gorilla Glass allows for a deep layer of high compressive stress (created through an ion-exchange process). This compression acts as a sort of “armor,” making the glass exceptionally tough and damage resistant. Additionally, Corning Gorilla Glass is formed using the same proprietary fusion process as all of Corning’s high-technology display substrates. This extraordinarily precise, highly automated process produces glass with exceptionally clean, smooth, flat surfaces and outstanding optical quality.Large Cover Gorilla® Glass is sized to serve as cover glass for displays including interactive white boards, digital signage and other large-size public displays.Information provided by Corning Incorporated.
Physical Properties Metric English Comments
Density 2.44 g/cc
0.0882 lb/in³
Thickness 550 - 2000 microns
21.7 - 78.7 mil
Mechanical Properties Metric English Comments
Vickers Microhardness 534
534
kgf/mm²; unstrengthened (200 g load)
649
649
kgf/mm²; strengthened (200 g load)
Modulus of Elasticity 71.7 GPa
10400 ksi
Compressive Strength 800 MPa
116000 psi
Chemically Strengthened, >40 µm layer
Poissons Ratio 0.21
0.21
Fracture Toughness 0.700 MPa-m½
0.637 ksi-in½
Shear Modulus 29.6 GPa
4290 ksi
Thermal Properties Metric English Comments
CTE, linear 8.45 µm/m-°C

@Temperature 0.000 - 300 °C
4.69 µin/in-°F

@Temperature 32.0 - 572 °F
Softening Point 852 °C
1570 °F
10<sup>7.6</sup> Poise
Annealing Point 649 °C
1200 °F
10<sup>13.2</sup> Poise
Strain Point 563 °C
1050 °F
10<sup>14.7</sup> Poise
Optical Properties Metric English Comments
Refractive Index 1.5094

@Wavelength 633 nm
1.5094

@Wavelength 633 nm
core glass
1.5116

@Wavelength 633 nm
1.5116

@Wavelength 633 nm
compression layer
Transmission, Visible >= 91.5 %

@Wavelength 380 - 780 nm
>= 91.5 %

@Wavelength 380 - 780 nm
>= 92.0 %

@Wavelength 480 - 730 nm
>= 92.0 %

@Wavelength 480 - 730 nm
Descriptive Properties Value Comments
Photo-elastic Constant 29.4 nm/cm/MPa
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