3659 silica fume products are offered for sale by suppliers on Alibaba.com, of which oxide accounts for 49%, silica accounts for 18%, and chemical auxiliary agent accounts for 8%.
A wide variety of silica fume options are available to you, such as industrial grade, electron grade and food grade.You can also choose from sio2, mgo and silicon dioxide silica fume,as well as from 13463-67-7, 7631-86-9, and 14808-60-7 silica fume, and whether silica fume is alumina, silicon dioxide, or magnesium oxide.