One. Scientific Foundations of Hollow Glass Microspheres 1.one Composition and Microstructure 1.1.one Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are primarily made up of borosilicate glass, a cloth renowned for its lower thermal enlargement coefficient and chemical inertness. The chemical makeup typically includes silica (SiO₂, 50-ninety%), alumina (... https://d6united.mn.co/posts/92164868