GS15 Graded Seal Glass Rod
Available Standard Sizes
Nominal length 1m
For custom sizes please contact us
Glass Composition
- SiO2 83.0
- B2O3 10.1
- AI2O3 4.9
- BaO 1.4
- CaO 0.51
- Fe2O3 0.01
Coefficient of Expansion
- 13.5-15.5 x 10-7 (temperature range 50 to 400 c)
(control range measured on unannealed glass)
Other Properties
- Strain point 635°c
- Annealing point 740°c
- Softening point 1200°c
- Log _ 250 9.8
- Log _ 350 8.2
- Tk100 365°c
All values are nominal except for specified expansion range.