Is usually used as a filler, is also widely used in artificial floor tile, rubber, plastics, paper, paint, paint, printing ink, cable, building materials, food, medicine, textile, food, toothpaste and other daily chemical industry and as a filler to increase the product volume, and reduce the production cost. In the rubber, the volume of the rubber can be increased, and the processing property of the rubber can be improved, and the hardness of the rubber can be improved.