Table 5 Accepted composition.
From: ISG-2: properties of the second International Simple Glass
Glass | Al2O3 | B2O3 | CaO | La2O3 | MgO | Na2O | SiO2 | ZrO2 | Others | Total |
|---|---|---|---|---|---|---|---|---|---|---|
Original ISG | 5.9 | 17.7 | 4.6 | – | 0.03 | 12.4 | 56.3 | 3.2 | 0.1 | 100.0 |
ISG-1 | 5.9 ±0.1 | 17.1 ±0.2 | 4.9 ±0.1 | 0.15 ±0.01 | 0.04 ±0.01 | 12.1 ±0.1 | 56.4 ±0.2 | 3.2 ±0.1 | 0.2±0.0 | 100.0 |
ISG-2 | 5.9 ±0.1 | 17.2 ±0.2 | 2.5 ±0.1 | 0.11 ±0.02 | 1.76 ±0.00 | 12.1 ±0.0 | 57.0 ±0.3 | 3.2 ±0.1 | 0.2 ±0.0 | 100.0 |
