Corning Eagle XG® Borosilicate LCD Glass
Corning® Eagle XG® is a borosilicate glass specifically designed for high performance LCD’s. It is considered environmentally friendly as it contains no heavy metals (arsenic, antimony, barium, or halides). The glass also features high surface quality, excellent thermal properties, low density, and high resistance to chemicals.
Features
- Environmentally friendly (no heavy metals)
- Excellent surface quality
- Good thermal properties
- Low density
- Chemical durability
Applications
- Liquid crystal displays (LCDs)
- Lightweight optical windows
Dimensions
Thicknesses
0.0433", 0.0275" (0.7mm, 1.1mm)
Sizes
Up to 61" x 52" (1549.4 x 1320.8mm)
Electrical Properties
Log10 Volume Resistivity
(250°C, 482°F)
12.9
Log10 Volume Resistivity
(500°C, 932°F)
8.8
Mechanical Properties
Density (20 °C, 68 °F)
2.38 g/cm3
148.5 lb/ft3
Young’s Modulus
73.6 GPa
10.7Mpsi
Poisson’s Ratio
0.23
0.23
Shear Modulus
0.1 GPa
4.4 Mpsi
Vickers Hardness (200 gm load, 25 sec dwell)
640
Viscosity
Working Point (104 poises)
1293 °C
2359 °F
Softening Point (107.6 poises)
971 °C
1780 °F
Annealing Point (1013 poises)
722 °C
1332 °F
Strain Point (1014.5 poises)
669 °C
1236 °F
Thermal Expansion
0 – 300 °C (32 – 572 °F)
31.7 x 10-7/°C
17.7 x 10-7/°F
Room Temperature to Setting Point 25 – 675 °C (77 – 1247 °F)
35.5 x 10-7/°C
19.7 x 10-7/°F
Optical Properties
Index of Refraction @
435.8nm 1.5198
435.8nm 1.5198
Index of Refraction @
467.8nm 1.5169
467.8nm 1.5169
Index of Refraction @
480.0nm 1.5160
480.0nm 1.5160
Index of Refraction @
508.6nm 1.5141
508.6nm 1.5141
Index of Refraction @
546.1nm 1.5119
546.1nm 1.5119
Index of Refraction @
589.3nm 1.5099
589.3nm 1.5099
Index of Refraction @
643.8nm 1.5078
643.8nm 1.5078
Birefringence Constant
(331 nm/cm)/(kg/mm2)
Optical Transmission
UV Transmission
