1. Scientific Foundations Of Hollow Glass Microspheres one.one Composition and Microstructure 1.one.one Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are principally composed of borosilicate glass, a fabric renowned for its reduced thermal growth coefficient and chemical inertness. The chemical make-up generally consists of silica (SiO₂, fifty-ninety%),... https://www.mymeetbook.com/post/1004409_elementary-substance-is-a-pure-chemical-substance-that-consists-of-atoms-belongi.html