Sericite (Sericite) is a natural fine-grained muscovite, is a subspecies of muscovite is layered silicate, sandwiching a layer of aluminum oxide octahedral duplex silicon structure is composed of two layers of silicon-oxygen tetrahedra oxygen layer. Sericite belong to monoclinic crystal, crystal flake, with silky luster (the muscovite was shiny glass), the pure block gray, purple pink, white, radius to thickness ratio> 80, a specific gravity of 2.6 to 2.7, hardness 2 ~ 3, flexible, bendable, good abrasion resistance and abrasion resistance; heat insulation, insoluble in acid solution, chemically stable. Range of applications; paint architectural coatings, fire-resistant coating; heavy-duty anti-corrosion coatings, paint, etc.]; metallurgy casting the blast furnace guns mud materials]; welding rod; Engineering Rubber; insulation materials; friction material [automotive brake system products, raw materials] ; cosmetics; the ceramic [color glaze. blank]; building materials [waterproofing membrane. gypsum board. asphalt oil felt]; insulating materials; paper; sericite low thermal conductivity, high electrical insulation, high resilience, excellent mechanical properties good chemical stability, acid and alkali, anti-aging and good dispersion properties, easy mixing superfine modified as a reinforcing filler. The sericite alternative reinforcing filler reinforcing carbon black, white carbon black, lithopone, glass fibers, asbestos, glass flake in the high-end or in connection with the application, to improve the processing technology, improve product quality, reduce costs. It can be widely used in the industrial sectors of the rubber, plastics, tires, polymer composites, waterproofing membrane. Verify proof of sericite powder to enhance mineral filler is an anti-aging alternative developed by glass flake epoxy resin FRP. Sericite instead of glass fibers, asbestos developed the engineering type material of phenolic resin, the product quality has greatly improved. Sericite, heat treatment of ultra-fine grinding, modified, alternative 30% -50% of silica, as the rubber reinforcement material made from a variety of sneakers, sports shoes, its performance is stable, good rubber flow , the performance index of national standards, and good economic benefits. Modified sericite powder in natural rubber, styrene-butadiene rubber, butadiene rubber and can be partially replaced by super abrasion furnace black rubber reinforcing effect the rubber elongation can improve, reduce the hardness of the rubber, and significantly reduce costs. Sericite in the paper can be used as fillers and coatings, particularly the use of sericite paint, bright white paper color, the ability of anti-ultraviolet, long-term storage is not easy to yellowing. Japanese scholars sericite flake paper performance, sericite as a filler particle size is more obvious on paper breaking strength, smoothness and tightness, while no effect on the shape of the filler. Sericite cosmetic fillers, sericite mineral delicate slippery feel, good dispersion, strong adhesion, evenly mixed with water and glycerol, and has a silky luster, anti-ultraviolet performance, lotions, creams, talcum powder, pressed powder quality raw materials and other various types of cosmetics.