Black nickel plating results in a dense black nickel finish onto any metal.
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Chromating is a chemical process, which does not use an electrical current and results in the surface of the aluminium being converted into a chromate film.
We offer Alocrom 1200, which produces an iridescent gold colour and
Alocrom 1000 which gives a light green colour.
Alocrom offers a moderate protection against corrosion and is an excellent base for paint finishes.
It is electrically conductive and inexpensive to produce; it is ideal for large quantities of small items.
Tin is an excellent conductor, and in conjunction with nickel or copper provides a good protection against corrosion.
Tin plating also gives a bright, attractive finish and gives a soft ductile deposit.
Zinc is primarily used as a protective coating for steel and is an excellent anti-
Deposits of up to 25 microns are normal and subsequent passivation treatments make the plating resistant to finger marking and provide an excellent base for painting.
Passivation finishes can be clear, gold iridescent, silver or black.
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Copper plating is usually deposited as an undercoat for silver, gold or tin.
Silver with a copper or nickel undercoat is an excellent conductor giving a rich, bright finish.
It has been largely replaced in the electronics industries by tin plating.