| Glass Sample | Starting Oxide mixtures mol% | [O/P] ratio | DR* (g∙cm−2∙min−1) | ρ, (g/cm3) | |||
| CaO | ZnO | Na2O | P2O5 | ||||
| S1 | 10 | 30 | 15 | 45 | 3.11 | (2.84 ± 0.20) × 10−5 | (2.80 ± 0.05) |
| S2 | 15 | 25 | 15 | 45 | 3.11 | (2.10 ± 0.20) × 10−5 | (2.81 ± 0.05) |
| S3 | 25 | 15 | 15 | 45 | 3.11 | (9.68 ± 0.20) × 10−6 | (2.69 ± 0.05) |
| S4 | 30 | 10 | 15 | 45 | 3.11 | (6.84 ± 0.20) × 10−6 | (2.73 ± 0.05) |