... Its chemical molecular formular is MSiO2. NH2 Characters] silica Sol is colloidal It is odorless, non-toxic.Its chemical molecular ... other substances.3,When the moisture contained in silica sol are evaporated,the colloid grains firmly adhere to the ... conditions.4,Having large specific surface area ,silica sol can be used for making catalyst and as catalyst ... of floor waxes,etc. Mass supply silica sol