BS EN 16192:2011

Nickel - A corrosion resistant conductive metal

Copper - A metal element with a chemical formula of CU. A excellent conductor of electricity and heat.

Zinc - A chemical element, a silver metal. Corrosion resistant. Combined with Copper makes Brass

Molybdenum - A metallic element used as an alloying agent in steel, superalloys and cast iron. It is used to enhance the hardness, strength, toughness and corrosion resistance. There is no known substitution for many of molybdenums uses.

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