The main factors related to graphitization include the following 3 points：

1、Graphite raw materials

Graphite raw materials can be divided into easy graphitic carbon and difficult graphitic carbon.

2、Pressure

We found that carbides of petroleum coke, glass carbon, carbon black, phenolic resin, and vinyl chloride resin can be graphitized even at low temperature of 1400~1500℃ when heated at pressure of 100~1000 Mpa.

3、Atmosphere

The different atmosphere of carbon in heat treatment will make the way of graphitization different.

4、Coexistence of substances

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