Specifications lead ingot 99.97% Standard GB/T469-2005 ... battery, the coating, the warhead, welding materials, chemical lead salt, cable sheath, bearing materials, sealing materials, babbitt ... and X ray protective material, etc Product(%) Specification(%)Pb min% Impurity (max%)AgCuAsSbSnZnFeCdNiBiTotalPb99.99499.9940.00080.0010. ... 00100.00050.00200.00200.00200.0600.060 Lead ingot/pure Pb ingot 99.97%