Glass Material 21

Designation Glass for Corning 7052

Information and details for Glass Material 21. For further information, please contact us.

Elan 21 Properties  
Coefficient of Expansion 0°-300°
(× 10-7 cm/cm/°C)
48.4
Strain Point (°C) 440
Anealing Point (°C) 484
Softening Point (°C) 707
Working Point (°C) 1128
Density (g/cc) 2.12/ 2.20
Dielectric Constant
(20°C/1 MHz)
5.1
Comments Designation for Corning 7052
Matched seals with Tungsten or Kovar

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