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    • Zinco - Tondino

      Zinc was known to the Greeks and Romans as a constituent of the copper alloy, brass, but metallic zinc was not discovered until the 16th. century by Paracelcus. Zinc is a brittle metal which has a blue cast. It is readily accessible as it occurs in concentrated ores from which it is easily extracted (it has an abundance of 75 ppm in the earth's crust). Extraction is achieved by heating the oxide with carbon and distilling out the metal. Zinc tarnishes in air and reacts with acids and alkalis. Zinc is used widely throughout industry; for example, it is used as a galvanic coating on steel to prevent corrosion, and is used as a constituent of various alloy systems (e.g. with copper in brass), as well as in zinc-base alloys which can be used for diecasting (the other alloy constituents are aluminium, copper and magnesium). Pure zinc is used as an electrode in a Daniell cell and also in dry batteries. Zinc oxide is used as a stabiliser for certain grades of rubbers and plastics, as well as a non-toxic, white pigment used in paint manufacture. Zinc oxide also has astringent and soothing qualities and is used as a constituent of creams and ointments.Tondino - Una lunghezza diritta di materiale dalla sezione circolare.

    13 risultati

    Prodotto
    Prodotto ZN00-RD-000101 Zinco - Tondino Diametro 2mm - Lunghezza 100mm - 1000mm - High Purity 99.999%
    Prodotto ZN00-RD-000102 Zinco - Tondino Diametro 2mm - Lunghezza 100 mm - 1000 mm - High Purity 99.99%
    Prodotto ZN00-RD-000106 Zinco - Tondino Diametro 3mm - Lunghezza 100mm - 798mm Purity 99.99% -
    Prodotto ZN00-RD-000105 Zinco - Tondino Diametro 4.8mm - Lunghezza 100 mm - 1000 mm - High Purity 99.99%
    Prodotto ZN00-RD-000112 Zinco - Tondino Diametro 7.6mm - Lunghezza 100mm - 1000mm - High Purity 99.99%
    Prodotto ZN00-RD-000114 Zinco - Tondino Diametro 7.62mm - Lunghezza 100 mm - 1000 mm Purity 99.9% -
    Prodotto ZN00-RD-000115 Zinco - Tondino Diametro 8mm - Lunghezza 50 mm - 245 mm - High Purity 99.999%
    Prodotto ZN00-RD-000120 Zinco - Tondino Diametro 10mm - Lunghezza 100mm - 1000mm Purity 99.9% -
    Prodotto ZN00-RD-000130 Zinco - Tondino Diametro 10mm - Lunghezza 100 mm - 1000 mm - High Purity 99.99%
    Prodotto ZN00-RD-000136 Zinco - Tondino Diametro 12mm - Lunghezza 100mm - 1000mm Purity 99.9% -
    Prodotto ZN00-RD-000140 Zinco - Tondino Diametro 19mm Metodo di produzione Cast Lunghezza 100mm - 1500mm Purity 99.9% -
    Prodotto ZN00-RD-000150 Zinco - Tondino Diametro 19mm Metodo di produzione Cast Lunghezza 100 mm - 500 mm - High Purity 99.99%
    Prodotto ZN00-RD-000160 Zinco - Tondino Diametro 38mm Metodo di produzione Cast Lunghezza 50 mm - 500 mm Purity 99.9% -
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