| Ort der Herkunft |
Hubei China (Mainland) |
| Marke |
high borosilicate glass rod |
| Modell-Nummer |
3.3 |
high borosilicate glass rod 1>the main composition SIO2:75-85% B2O2:11-15% Al2O3:2.2-2.6% Na2O(+K2O):4.1-4.5% 2>size:the DIA is 14-50mm,and the length is free