... Free sample 1.High puirty of Medium temperaturer balck viscous Liquid coal tar oil for deep processing 1.CAS:8007-45 ... SGS,CIQ,ISO,COA,MSDS4.Supply Free sample5.Appreance:black liquid 2.DescriptionCoal tar is a kind of organic compound (mainly ... extract medium-temperature pitch, modified pitch, industrial naphthalin (solid and liquid), fuel oil, light oil, hydroxybenzene oil, carbazole, indole and ...