In this topic, we’ll talk about phenolic resine impregnated graphite. With the development of science and technology, graphite materials have been widely used in mechanical, metallurgical, aerospace, petrochemical and other industrial departments because of their many unique properties. However, due to the influence of manufacturing process, the porosity of artificial graphite material is between 20 and 30, which reduces the compactness and mechanical strength of the product. The physical properties of graphite materials are seriously affected by the porosity and oxidation of graphite materials. Therefore, the use of materials is greatly restricted in high temperature and dense sealing environment. Thus, it has become one of the important topics in modern material science to reduce the porosity of the material and improve the oxidation resistance of the material to use it in high temperature and sealing environment.

The design of the combined production device and process of phenolic resin and impregnated  graphite is simple. It contains reasonable layout, convenient operation, low investment, and high benefit. In 1872, the phenolic resin macromolecular compound was synthesized for the first time. Due to the research of Backeland around 1905, phenolic resin began to be applied in practice. After more than 100 years of continuous production practice, it has been widely used in coatings, binders, anticorrosive materials, ion exchange resins and various plastic products.

With the sudden burst of graphite products, the anti-corrosion effect of the equipment made of graphite impregnated with phenolic resin is particularly good. People start to pay attention to it. The results show that the polymer material JG 2 can be used for 15 hours at 800 ℃, which can be used as a high temperature graphite sealing dipping agent.

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