... an amorphous structure of the solid powder, pore size 8 ~ 16nm, chemical formula is mSiO2, nH2O, insoluble ... an amorphous structure of the solid powder, pore size 8 ~ 16nm, chemical formula is mSiO2, nH2O, insoluble ... is mainly used in beer industry. Purpose1. With a large surface area and numerous suitable microporous structure, the ... brighter and clear . Update Date:2011-4-8 2:30:08 Beer silica gel