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    • Zinc - Powder

      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.

      Powder - Small particles with an approximately defined size range. Those materials described as alloy precursors are not true alloys - they are made by sintering a blend of powders of the component metals to achieve alloying by diffusion. The resultant cake is ground and sieved to the required particle size range. Unless otherwise stated, the particle sizes shown are for guidance only. We do not guarantee either any particular size distribution between the quoted minimum and maximum sizes, or a specific particle shape.

    4 results

    Product
    Product ZN00-PD-000130 99.999% Zinc Powder 150 micron max Purity 99.999% -- Maximum Particle Size 150µm Weight 10g - 250g
    Product ZN00-PD-000140 99.9% Zinc Powder 150 micron max Purity 99.9% -- Maximum Particle Size 150µm Weight 10g - 5000g
    Product ZN00-PD-000110 98.8% Zinc Powder 7.5 micron Purity 98.8% - Mean Particle Size 7.5 - Weight 10g - 5000g
    Product ZN00-PD-000121 99.0% Zinc Powder 5 micron max Purity 99.0% Minimum Particle Size 1µm - Maximum Particle Size 5µm Weight 10g - 1000g
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