Borobar Mustard 33 COE Rod

Borobar Mustard 33 COE Rod

Borobars are made by dry pressing glass powder into a bar shape and then melting it into a solid form.

Borobars Glass Specifications:
- COE: 33
- Softening Point: 820 C / 1508 F
- Annealing Point: 560 C / 1040 F
- Approximate Bar size: 3.5? L x 0.25? W x 0.25? H