medium temperature tar pitch 1.Material:coal tar 2.Shap:pencil,lump,globular 3.China larger supplier 4.BV,SGS,ISO 1.medium temperature of tar ptich for graphite electrode,refractory material. 1)Material:coal tar 2)Shap:pencil,lump,globular3)China dircet supplier 4)BV,SGS,CIQ5)Export to korea,southeat asia,Europe,America6)Supply Free sample2.Physical PropertiesName Coal tar pitch Other name ...