Zhengzhou Hengyang Industrial Co., Ltd
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High purity graphite has unique advantages in processing and manufacturing electric heating elements, structural casting mold, crucible boat dish for smelting high purity metal, heater for single crystal furnace, graphite for EDM, sintering mold, anode of electronic tube, metal coating, graphite crucible for semiconductor technology, graphite anode and grid for emission electron tube, thyratron and mercury arc rectifier. Especially, as a substitute material, high-quality graphite with large specifications and high quality has a wide application space in high-tech and new technology fields, and has a wide application prospect.
The purification methods of high purity graphite are divided into two categories: one is wet purification, including flotation, acid-base and hydrogen acid; The second is the purification by fire method, including chlorination roasting method and high temperature method.
High heat conduction nano scale carbon powder is a kind of synthetic high-purity graphite. Compared with natural high-purity graphite, it has higher purity, smaller particle size and thickness within the nanometer scale. However, its radial width can reach several to dozens of microns, with a large shape ratio, and maintains the original planar carbon hexavalent ring conjugated crystal structure of graphite, with excellent mechanical strength Electrical conductivity, thermal conductivity, and good lubrication, high temperature and corrosion resistance.