胶态二氧化硅是由氯代硅烷气相水解制得。另，黏土颗粒的一种主要成分。Aerosil; colloidal silica; fumed silica; fumed silicon dioxide; hochdisperses silicum dioxid; SAS; silica colloidalis anhydrica; silica sol; silicic anhydride; silicon dioxide colloidal; silicon dioxide fumed; synthetic amorphous silica; Wacker HDK.