Beautiful, smooth, opaque white glass tubes (1-inch diameter) are ideal for glassblowers who want to create a contrasting color dimension with clear glass. They are highly heat resistant, not easily broken, and can be blown into various hollow shapes, including jewelry, designer lamps, and functional glass.
Key chemical components
- SiO₂ (Silica): 80% ±0.5
- B₂O₃ (Boron Trioxide): 13% ±0.2
- Al₂O₃ (Aluminum Oxide): 2.4% ±0.2
- Na₂O + K₂O: 4.3% ±0.2

