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Glass and ceramics

Borosilicate glass - Constituents

NIST-93A

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32 x 6 mm wafer
Certified values
Cl	0.060 %
Al2O3	2.28 %
B2O3	12.56 %
CaO	0.01 %
Fe2O3	0.028 %
FeO	0.016 %
K2O	0.014 %
MgO	0.005 %
Na2O	3.98 %
SiO2	80.8 %
TiO2	0.014 %
ZrO2	0.042 %

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