High-temperature lubricating graphite agent and preparation method thereof

The invention provides a high-temperature lubricating graphite agent and a preparation method thereof. The high-temperature lubricating graphite agent consists of graphite powder, a surface moistening agent, phenolic aldehyde magnetic paint and distilled water, wherein the graphite powder accounts for 9.5-12% of the total mass of the graphite powder, the surface moistening agent and the phenolic aldehyde magnetic paint; the surface moistening agent accounts for 5-8% of the total mass of the graphite powder, the surface moistening agent and the phenolic aldehyde magnetic paint; the phenolic aldehyde magnetic paint accounts for 80-90% of the total mass of the graphite powder, the surface moistening agent and the phenolic aldehyde magnetic paint; the use amount of the distilled water is controlled to be 35-45% of the total mass concentration of the graphite powder, the surface moistening agent and the phenolic aldehyde magnetic paint. The preparation method comprises the following steps: mixing materials in diff