| Glass Sample |
Starting Oxide mixtures mol % |
[O/P] Ratio |
log (DR) (g∙cm−2∙min−1) (±0.2) |
Tg (˚C) |
Tc (˚C) |
|||
| P2O5 |
CaO |
Na2O |
TiO2 |
(±2) |
||||
| 48T05 |
48 |
30 |
21.5 |
0.5 |
3046 |
−4.9 |
405 |
495 |
| 48T10 |
48 |
30 |
21 |
1 |
3052 |
−5.1 |
449 |
498 |
| 48T15 |
48 |
30 |
20.5 |
1.5 |
3057 |
−5.7 |
473 |
525 |
| 48T20 |
48 |
30 |
20 |
2 |
3062 |
−6.05 |
476 |
540 |
| 48T25 |
48 |
30 |
19.5 |
2.5 |
3067 |
−5.9 |
430 |
490 |
| 48T30 |
48 |
30 |
19 |
3 |
3072 |
−5.5 |
450 |
496 |