... service and price 3 highest purity 4 UN brand high quality coal tar for deep production coal tar pavement 1. DescriptionCoal tar is ... tar is a kind of black or black brown sticky liquid got during the process of coal coking .Coal tar has ... extract medium-temperature pitch, modified pitch, industrial naphthalin (solid and liquid), fuel oil, light oil, hydroxybenzene oil, carbazole, indole and other ...