Assertion: cordierite | /r/MadeOf | 46.6-53.0%
Facets:
value: analytically
type: MANNER
value: essentially
type: DEGREE
Source sentences:
text: In particular, the inventors have used proportions of clay, talc, silica, aluminum hydroxides and alumina so as to produce cordierites analytically consisting essentially of 46.6-53.0% SiO 33.0-41.0% A1 and l 1.5l6.5%