Transparent, translucent glass rod with a glossy surface, high fire-resistant grade (COE 3.3). Made from pure borosilicate glass, it is resistant to thermal shock and can easily withstand high-temperature flames from an Oxygen-Propane torch without cracking.
- Coefficient of Thermal Expansion: 3.3
- Softening Point: 820 ±10°C
- Melting Point: 1,620 ±20°C
- Approximate Length: 30 cm
- Diameter: 7 mm