Cov ntsiab lus tseem ceeb ntawm graphite petroleum coke yog raws li hauv qab no: cov ntsiab lus noo noo hauv qab 0.5%, sulfur hauv qab 0.05%, phosphorus ntawm 0.04-0.01, hydrogen nitrogen hauv qab 100% ppm. siab carbon cov ntsiab lus ntawm particle loj yog nruab nrab, porosity yuav kuj loj, nqus ceev ceev, thiab nws cov tshuaj muaj pes tsawg leeg yog tus ntshiab, tus nqi nqus yuav siab. Particle loj 0-5mm, 1-5mm, 0-10mm, thiab lwm yam, tuaj yeem ua tiav raws li cov neeg siv khoom xav tau
