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GE 124 Fused Quartz

GE 124 is a very pure fused quartz, made from crystalline silica. GE 124 is very similar to fused silica, with the exception of less transmission in the UV spectrum and much lower OH content. Other features besides its purity include excellent thermal properties and high resistance to chemicals.

Features

  • Excellent Thermal Properties
  • Stain (chemical) resistant
  • Very Good Optical Transmission

Applications

  • Water Carriers
  • Flanges
  • Optical Plates
  • Test Plates
  • Pressure Windows

Dimensions

  • Thicknesses: Up to 4” thick (101.6mm)
  • Sizes: Up to 36” (914.4mm) diameter

Optical Properties

Index of Refraction
1.4585

Thermal Expansion

0 – 300 °C (32 – 572 °F)
5.5 x 10-7/°C

Electrical Properties

Log10 Volume Resistivity
(250°C, 482°F)
7 x 107
Log10 Volume Resistivity
(350°C, 662°F)
7 x 107

Mechanical Properties

Density (25°C) ρ
2.21 g/cm3
38.0 lb/ft3
Young’s Modulus Ε
70 GPa
10.5 Mpsi
Poisson’s Ratio μ
0.17
0.17
Knoop Hardness HK0.1/20
600 kg/mm2
600 kg/mm2

Viscosity

Softening Point (107.6 poises)
1683 °C
3061 °F
Annealing Point (1013 poises)
1214 °C
2217 °F
Strain Point (1014.5 poises)
1122 °C
2052 °F

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