... accuracy,which is suitable for fine grain and powder material sieving.It can be added with many ... pigment, medicine, grease, fire-extinguishing agent, rubber, calcium powder, carbon powder, paper-making fluid2.Grinding material, ceramic industry: silica sand ... , grinding material, glass powder, refractory material.3.Food industry: sugar, alkali, gourmet powder, starch, milk powder, yeast, food additive ...