1. Building Industry: Produce light, thermal insulation and acoustic board; Be ideal materials of various industrial equipment and pipe insulating layer; 2. Filter Aid and Filler Be filtering agent when making wine, drinking, syrup, vinegar etc; Purify various liquid and water, coming up to innoxious to human and animal; Be filler of plastic, rubber, enamel etc; 3. Agriculture and Horticulture Reform soil and adjust soil hardened; Prevent plants from falling down and control fertilizer efficiency and fertility; Be diluent and carrier of biocide and herbicide. 4. Mechanism, Metallurgy, Hydropower and Light Industry Be ingredients of heat insulation glass, mineral wool and porcelain products etc. 5. Other Aspect Be packing materials of exquisite products and pollution products; Be abradant material of gem, colourful stone, glass products; Be density regulator of explosive, treating-agent of sewage.