GS10 Graded Seal Glass Rod

GS10 Graded Seal Glass Rod

Available Standard Sizes

  • 2mm - 2.5mm
  • 2mm - 3mm
  • 3mm - 4mm
  • 4mm - 4.5mm
  • 4mm - 6mm

Nominal length 1m

For custom sizes please contact us

Glass Composition

  • SiO2 84.8
  • B2O3 10.0
  • Al2O3 4.7
  • BaO 0.45
  • Fe2O3 0.01

Coefficient of Expansion

  • 9.5 to 11.5 x 10-7 (temperature range 50° to 400°C)
    (control range measured on un-annealed glass)

Other Properties

  • Strain point 625°C
  • Annealing point 750°C
  • Softening point 1210°C
  • Log _ 250 9.5
  • Log _ 350 7.9
  • Tk100 345°C
  • Density 2.17 (at 4°C)

All values are nominal except for specified expansion range.

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