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Table 1 Glass fibre chemical compositions expressed as oxide weight percent

From: The effect of a new formaldehyde-free binder on the dissolution rate of glass wool fibre in physiological saline solution

Oxide Glass A Glass B
SiO2 65.4 67.9
Al2O3 2.1 1.3
CaO 8.9 7.8
MgO 1.2 2.2
B2O3 6.6 5.5
MnO 0.9 0.8
Na2O 13.2 13.2
K2O 0.9 0.6
Fe2O3 0.4 0.3
total 99.6 99.6