Pb powder CNPC brand,high quality lead powder with high quality pb 99.9 200mesh factory price port nearby advantage Pb powderPROPERTIESGrey powder ... porous bronze bearings self-lubricated, structural parts of powder metallurgy, friction discs, sheathing boards of brakes, clutches ... and in the production of chemicals. STANDARD SPECIFICATIONCHEMICAL COMPONENT %Pb≥ 99.9Fe≤ 0.005Cu≤ 0.01As≤00.001Sb ...