1. Scientific Foundations Of Hollow Glass Microspheres one.1 Composition and Microstructure one.one.1 Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are mainly made up of borosilicate glass, a material renowned for its small thermal expansion coefficient and chemical inertness. The chemical make-up usually includes silica (SiO₂, 50-ninety%), alumina (Al₂... https://gaming-walker.com/post/139863_trunnano-focuses-on-providing-a-full-range-of-high-quality-3d-printing-powders-t.html