Glass Composition (mole%)

Tg

(˚C)

Tc

(˚C)

Tm

(˚C)

Kg

D

(g/cm3)

V2O5

Content

(mole%)

PbO

Content (mole%)

SnO2

Content

(mole%)

50

50

0

241

300,412

500

0.156

5.075

50

45

5

253

292,390

496

0.099

4.928

50

40

10

251

294,391

495

0.134

5.264

50

35

15

248

287,385

494

0.138

5.501