One. Scientific Foundations of Hollow Glass Microspheres one.1 Composition and Microstructure 1.one.one Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are primarily composed of borosilicate glass, a cloth renowned for its minimal thermal enlargement coefficient and chemical inertness. The chemical makeup ordinarily involves silica (SiO₂, fifty-90%), alum... https://demo.jcow.net/images/viewstory/88300