Bt-40 series silicon dioxide additive are main used as water reducing, stabilization of food, medicine, animal food and carrier, clarify assistance and the attach water reducing of essence and spicery.Then form of the product is white powder.Because of the sub-micro size and large bet of silicon dioxide, it can act as interval material between the granules of powder, at the same time, it also can improve the free flow of powder.Its water reducing feature can promote sorption and to prevent caking.Also can be used in medicine industry. Paper bag, 10kg/bag
