| Brand Name |
chuangyou |
| Model Number |
BO-103 |
| Place of Origin |
Shandong China (Mainland) |
High quality Borosilicate 3.3 glass tube Available sizes: 1) Outer diameter: 8-400mm 2) Wall thickness: 0.8-12mm 3) Standard length: 1500mm Physical ingredients: 1) SiO2: 80.37 2) B2O3: 12.77 3) Al2O3: 2.26 4) Na2O: 3.92 5) Fe2O3: 0.136 Chemical properties: 1) Coefficient of expansion: 3.3 2) Softening point: 820°C 3) Melting temperature: 1,680°C 4)Hardness:7Grade Packing: standard carton, each tube rolled with paper