... .Prompt delivery time 4.black carbon graphite1.high quality and competitive price 2.carbon conetnt is 90%-99.%3.Prompt ... : high purity graphite,high carbon graphite,intermediate carbon graphite Specification: particle size 0.5mm-1um,carbon content 80-99.99% ... material stabilizer of military industry,lead of light industry,carbon brush of electrical industry,electrode of battery industry,and catalyzer ...