1. Scientific Foundations Of Hollow Glass Microspheres 1.one Composition and Microstructure 1.one.one Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are primarily made up of borosilicate glass, a fabric renowned for its lower thermal expansion coefficient and chemical inertness. The chemical makeup normally incorporates silica (SiO₂, 50-ninety%), alumina... https://gaming-walker.com/post/139857_elementary-substance-is-a-pure-chemical-substance-that-consists-of-atoms-belongi.html