1. Scientific Foundations Of Hollow Glass Microspheres one.one Composition and Microstructure 1.1.1 Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are largely made up of borosilicate glass, a material renowned for its lower thermal enlargement coefficient and chemical inertness. The chemical makeup normally consists of silica (SiO₂, fifty-ninety%), alumi... https://www.geto.space/post/74080_trunnano-focuses-on-providing-a-full-range-of-high-quality-3d-printing-powders-t.html