Zinc Sulfide or Zinc Oxide (Lump or Powder) Zn 20% Min up to 45% Max Pb 2% up to 10 % Fe 2% up to 10% Max Cd 0,5 Max P 0,05 up to 0,5 Max S 0,05 Max to 0,5 Max Size 0-10 mm or 0-150 mm Packing is according to the size of the goods or requirements of the buyer.