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Basic properties of graphite

time: 2021-04-12author:Foshan Yintong Graphite Products Co., Ltd.click:1543 second

Due to its special structure, graphite has the following excellent properties:

1. High temperature resistance: graphite is one of the most temperature resistant substances, and it has no melting point under atmospheric pressure. Even if it is burned by ultra-high temperature arc, the weight loss is very small.

2. Conductivity and heat conductivity: graphite has high conductivity and heat conductivity. The thermal conductivity decreases with the increase of temperature, and graphite even becomes an insulation at a very high temperature.

3. Lubricity: the lubrication performance of graphite depends on the size of graphite grain and the development of crystal. The larger the graphite grain, the more perfect the crystal development, the smaller the friction coefficient, the better the lubrication performance.

4. Chemical stability: graphite has good chemical stability at room temperature, and can resist acid, alkali and organic solvent corrosion.

5. Plasticity: graphite has certain toughness, can be processed simply, and graphite with high crystal development can even be milled into thin sheet.

6. Thermal shock resistance: graphite thermal expansion coefficient is very small, can withstand the temperature change without damage.


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