Assertion: glass's composition | /r/HasProperty | given as 80.6%
Facets:
Source sentences:
text: The composition of both Corning 7740 and Schott 8330 is given as 80.6% SiO 2 , 12.6% B 2 O 3 , 4.2% Na 2 O, 2.2% Al 2 O 3 , 0.1% CaO, 0.1% Cl, 0.05% MgO, and 0.04% Fe 2 O 3 ,