Zinc dross

Product Detail

Zinc dross

Zinc dross is a by-product of the hot-dip galvanizing and zinc smelting processes. It forms as an oxidized layer on molten zinc and consists of a mix of zinc oxide, metallic zinc, and other impurities. Zinc dross is commonly recycled to recover pure zinc, which is used in galvanizing, die-casting, and chemical industries.

Specifications:

Specifications vary depending on the type and intended use of the scrap. Below are general parameters:

  • Purity: Typically ranges from 85% to 99% Zn (dependent on scrap type).
  • Impurities:
    • Lead (Pb) ≤ 1%
    • Iron (Fe) ≤ 0.5%
    • Cadmium (Cd) ≤ 0.1%
    • Copper (Cu) ≤ 0.5%
  • Form: Sheets, dross, ash, skimmings, mixed metal scrap.
  • Moisture Content: ≤ 2% (varies based on type).
  • Packaging: Loose, in bales, or in drums.

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