Graphite block yog tsim los ntawm domestic roj av coke nyob rau hauv lub impregnation thiab kub graphitization.Nws cov yam ntxwv yog qhov zoo ntawm tus kheej lubrication, siab zog, cuam tshuam tsis kam, hnav tsis kam thiab zoo conductivity.Lawv tau siv dav hauv cov haujlwm xws li tshuab, hluav taws xob, tshuaj lom neeg kev lag luam thiab lwm yam lag luam tshiab.