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. 1973 Nov-Dec;77A(6):755–763. doi: 10.6028/jres.077A.046

Table 1.

Glass batch compositions weight percent

Oxide Fused SiO2 Glass
Calcium aluminate F75 Phosphate F1329 Barium borate E1583 Germanate F998
SiO2 100 5.0
GeO2 35.9
B2O2 59.0
P2O5 77.7
AlO3 41.5 12.0
MgO 5.0 10.3
CaO 48.5
BaO 41.0 21.0
BaF2 5.3
La2O3 17.4
Ta2O5 3.4
TiO2 6.1
ZnO 6.2
ZrO2 4.7