Table 1 Target compositions for ISG-1 and ISG-2 in comparison to original ISG batch (from MoSci).
From: ISG-2: properties of the second International Simple Glass
Species | Â | Batch Target Compositions (this work) | |||
|---|---|---|---|---|---|
Original ISG | ISG-1 | ISG-2 | ISG-1 | ISG-2 | |
wt% | wt% | wt% | mol% | mol% | |
SiO2 | 56.20 | 56.20 | 56.54 | 60.1 | 60.1 |
Al2O3 | 6.10 | 6.10 | 6.14 | 3.84 | 3.84 |
B2O3 | 17.30 | 17.30 | 17.40 | 15.97 | 15.97 |
Na2O | 12.20 | 12.20 | 12.27 | 12.65 | 12.65 |
MgO | < 0.17 | < 0.17 | 1.80 | 0 | 2.86 |
CaO | 5.00 | 5.00 | 2.52 | 5.73 | 2.87 |
ZrO2 | 3.30 | 3.30 | 3.32 | 1.72 | 1.72 |
La2O3 | Â | 0.12 | 0.12 | 0.02 | 0.02 |
Sum | 100.1 | 100.22 | 100.12 | 100.0 | 100.0 |
