Specifications lead ingot 99.97% Standard GB/T469-2005 Brand:Pb99.994, ... materials, chemical lead salt, cable sheath, bearing materials, sealing materials, babbitt and X ray protective material, etc Product(%) Specification(%)Pb min% Impurity ... .0050.00100.00100.00100.00050.00200.00200.00200.0600.060 Lead ingot/pure Pb ingot 99.97%