Graphite,Carbon,Beijing carbon sanye

: from the Greek "graphein", meaning "to write." By the German chemist and mineralogist AG Werner named in 1789;
Chemical composition: pure ingredients are very few, often with a variety of impurities;
Category: natural elements - non-metallic elements - carbon group
Crystal system and space group: the six-party crystal system, P63/mmm;
Cell parameters: a0 = 0.246nm, c0 = 0.670nm;
Description: Chang Cheng single sheet or plate, but the integrity of the very rare. Usually scale-like collection, massive and earthy;
Color: black iron;
Streak: black light
Transparency: opaque
Gloss: semi-metallic luster was
Hardness 1-2
Cleavage and fracture: a completely parallel to the cleavage;
Weight :2.21-2 .26g/cm3
Surface area :5-10m2 / g (F-Sorb 2400 Miriam BET surface area method of testing),
Other nature: a thin flexible, there is a sense of sliding easily polluted hand, has a good electrical conductivity;
Identification of characteristics of the black iron, low hardness, a group of very full cleavage, and a sense of slip into hands;
The causes and occurrence: graphite in the formation of a high temperature. Graphite is the most widespread deterioration of the deposit, by carbon-rich organic matter or the sedimentary rock formed by regional metamorphism;
The main purpose: graphite in a wide range of industrial uses, for the production of high-temperature smelting crucible, industrial machinery lubricant, the production of electrodes and pencil; widely used in the metallurgical industry and high-refractory coating, the military-industrial explosive materials stability Agent, the pencil of light industry, electrical industry, carbon brush, battery electrode industry, chemical fertilizer, such as industrial catalysts. Graphite after processing, can produce milk graphite, graphite composite materials and sealing materials, graphite products, graphite, and other additives to reduce wear high-tech products have become an important industrial sector in various non-metallic mineral raw materials