| BINDER 1 | Approximate comp. |
| SiO2 | 4.11% |
| Al2O3 | 0.60% |
| Fe2O3 | 0.49% |
| Na2O | 42.00% |
| K2O | 0.00% |
| MgO | 0.02% |
| CaO | 0.00% |
| ZnO | —– |
| P2O3 | —– |
| SO2 | 40.40% |
| B2O3 | 12.00% |

| BINDER 1 | Approximate comp. |
| SiO2 | 4.11% |
| Al2O3 | 0.60% |
| Fe2O3 | 0.49% |
| Na2O | 42.00% |
| K2O | 0.00% |
| MgO | 0.02% |
| CaO | 0.00% |
| ZnO | —– |
| P2O3 | —– |
| SO2 | 40.40% |
| B2O3 | 12.00% |