About Bullseye
Coefficient of Expansion (COE): 90
|
Transparents
|
Opals
|
Gold Pink Transparents
|
|
| Strain point: |
920°F (493°C) |
865°F (463°C)
|
820°F (438°C)
|
| Annealing point: |
990°F (532°C) |
935°F (501°C)
|
882°F (472°C)
|
| Softening point: | 1250°F (677°C) |
1270°F (688°C) | 1180°F (638°C) |