“Zinc Blackener” is a process for producing jet black on cadmium and zinc surfaces.
    1.   It affects either die cast, galvanized or plated parts.
    2.   It is a powder, easily dissolved and non-dusting product.
    3.   Suitable for both: large metal sheets & small parts as well as washers.
    4.   It results uniform surface.
    5.   The luster of the black finish is dependent upon metal quality prior to blackening process.
    6.   It can be top-coated for increasing its corrosion resistance.