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Zinc is a chemical element with the chemical symbol Zn. The melting point is 419 ° C, the boiling point is 907 ° C and the density is approx. 7.13/cm³.
Zinc has good durability properties in the atmosphere. Here zinc reacts with the formation of zinc oxide on the surface.
With the addition of water (rain and humidity) zinc hydroxide is formed, which under the influence of atmospheric carbon dioxide is transformed into a dense solid binding - a water insoluble layer of basic zinc carbonate passivation.
This protective layer gives the zinc its high corrosion resistance.
Zinc is mainly used for very complex parts with small details and small wall thicknesses, or where a higher weight is required.
See the list of the metals we use in the production of prototypes.
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