1. Scientific Foundations of Hollow Glass Microspheres 1.one Composition and Microstructure one.one.one Chemical Composition: Borosilicate Dominance Hollow glass microspheres (HGMs) are mostly made up of borosilicate glass, a cloth renowned for its very low thermal enlargement coefficient and chemical inertness. The chemical makeup ordinarily features silica (SiO₂, fifty-ninety%), alu... https://www.jointcorners.com/post/483698_metallic-boride-powders-are-very-unique-but-functional-new-ceramic-materials-the.html