Glass

Sample

Starting Oxide mixtures mol %

[O/P]

Ratio

log (DR)

(g∙cm2∙min1)

(±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