Shelf PRIME ZINC DIE CAST DROSS
Shall consist of metal skimmed from the top of pot of
molten zinc die cast metal. Must be unsweated,
unfluxed, shiny, smooth, metallic and free from corrosion
or oxidation. Should be poured in molds or in
small mounds weighing not over 75 pounds each. Zinc
content shall be minimum of 85%.
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