| Glass Sample |
The various compositions of glass (mol%) |
[O/P] |
(Dr) (g/cm2/mn) |
Log(Dr) |
|||
| P2O5 |
Na2O |
CaO |
Al2O3 |
--------------- |
20 days |
-------------- |
|
| S050 |
50 |
10 |
40 |
0 |
3 |
3.82 × 10−7 |
−6.42 |
| S550 |
50 |
10 |
35 |
5 |
3.1 |
6. 60 × 10−7 |
−6.18 |
| S7.550 |
50 |
10 |
32.5 |
7.5 |
3.15 |
1.25 × 10−6 |
−5.90 |
| S1050 |
50 |
10 |
30 |
10 |
3.2 |
1.07 × 10−5 |
−4.97 |