Chemical composition of graphite is carbon (C). Natural output is rarely pure graphite, often contain 10% to 20% of impurities, including SiO2, Al2O3, MgO, CaO, P2O5, CuO, V2O5, H2O, S, FeO and H, N, CO2, CH4, NH3, etc. Graphite iron minerals were black, steel gray, shiny black streaks; metallic luster, hidden polycrystalline aggregates glossy dark, opaque; {0001} cleavage completely, hardness with anisotropy, vertical cleavage plane 3-5, parallel solution Li surface is 1 to 2; soft, density of 2.09 ~ 2.23g / cm3, a greasy feel, easily contaminated fingers. Graphite crystals with a typical layer structure of carbon atoms arranged in a hexagonal mesh-like layer, the carbon atoms on the surface network node with respect to the center of the upper and lower adjacent layers of the grid. Repeat for 2 layered graphite 2H polytype, is hexagonal, which is commonly referred to graphite; if repeated layered graphite as compared with more than 3 3R milk graphite, graphite roughness trigonal system manufacturers, but can not be separated individually in natural graphite structure. In graphite crystal structure, the coordination number of the inner layers of carbon atoms is 3, the metal having a covalent bond graphite milk price, spacing 0.142nm graphite, is connected to the molecular bond between the layers, and pitch is 0.340nm, such special crystal structure and chemical bonding of the graphite has some special process performance. Pingdu graphite, graphite, carbon industry is provided by the North Sea Dragon Sea Dragon Carbon Co., Ltd. Weifang. Carbon Co., Ltd. Weifang Sea Dragon (www.longmentanye.com) strong, credible, Shandong Weifang graphite and carbon products industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the industry in the North Sea Dragon carbon into the brilliant and you work for a better future!