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CNPC POWDER-LEAD POWDER 200 MESH TECHNICAL DATA PROPERTIES Grey powder with drop form, easy to be oxidized in the moist air. APPLICATION Widely used in manufacturing porous bronze bearings self-lubricated, structural parts of powder metallurgy, friction discs, sheathing boards of brakes, clutches, metal-graphite electric brushes, diamond grinding wheels, bronze filters, and also used as the additives of rubbers and plastics, and in the production of chemicals.STANDARD SPECIFICATION CHEMICAL COMPOSITION (%)Pb≥ 99.9Fe≤ 0.005Cu≤ 0.01As≤ 0.001Sb≤ 0.005Bi≤ 0.005Burned residue dealt with nitric acid≤ 0.025u According to your demands, we offer100mesh, 200mesh, 300mesh, 400 mesh,500 mesh and so on.PACKING AND STORAGE Iron barrel or plastic bag package. Carefully keep away from moist and damp.Store in dry and ventilating place.