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    • Tungsten - Insulated Wire

      Tungsten was isolated in 1783 by J.J. and F. Ehuijar in Vergara, Sweden. Tungsten metal is lustrous and silvery white in color, and does not occur naturally (it has an abundance of 1 ppm in the earth's crust). It is found in the ore Wolframite, a tungstate of iron and manganese, (FeMn)WO₄, which is converted to the trioxide and then reduced to the metal by reduction in hydrogen (carbon cannot be used as the very stable carbide would result). Tungsten metal is relatively inert, resisting attack by oxygen, acids and alkalis, although it will react with fused, oxidising alkali media. It has the highest melting point of all metals and, when pure, it can be worked with relative ease; however, the presence of impurities renders tungsten extremely brittle and, therefore, difficult to fabricate. The high melting point of tungsten makes it suitable for use as electric filaments (e.g. in electric light bulbs). It is also the basis of a range of alloys containing tungsten, copper and nickel which are used for radiation shielding as they provide a 50% increase in density compared to lead. Tungsten and its alloys also find uses in military applications (e.g. armour and shells), as well as counter-balance materials. Tungsten carbide powder (with possible additions of titanium and tantalum carbides) along with nickel or cobalt powders, are compressed and sintered to produce cemented carbides. These products are used in place of high speed steel to form the tip of cutting and drilling tools, or for parts which will be subjected to heavy usage.Insulated Wire - A single or multiple flexible strand of metal or alloy with an insulating sheath.

    7 results

    Product
    Product W-00-SW-000102 Tungsten - Insulated Wire - Conductor Diameter 0.0125mm Insulation Polyimide Insulation Thickness 0.0035mm Length 0.2m - 5m Purity 99.9%
    Product W-00-SW-000103 Tungsten - Insulated Wire - Conductor Diameter 0.015mm Insulation Polyimide Insulation Thickness 0.002mm Length 0.2m - 100m Purity 99.9%
    Product W-00-SW-000105 Tungsten - Insulated Wire - Conductor Diameter 0.025mm Insulation Polyimide Insulation Thickness 0.005mm Length 2m - 50m Purity 99.9%
    Product W-00-SW-000108 Tungsten - Insulated Wire - Conductor Diameter 0.05mm Insulation Polyimide Insulation Thickness 0.008mm Length 2m - 50m Purity 99.9%
    Product W-00-SW-000110 Tungsten - Insulated Wire - Conductor Diameter 0.075mm Insulation PTFE (Polytetrafluoroethylene) Insulation Thickness 0.02mm Length 1m - 20m Purity 99.9%
    Product W-00-SW-000112 Tungsten - Insulated Wire - Conductor Diameter 0.076mm Insulation Nylon Insulation Thickness 0.012mm Length 1m - 20m Purity 99.9%
    Product W-00-SW-000109 Tungsten - Insulated Wire Description Low Coil Set Conductor Diameter 0.05mm Insulation Polyimide Insulation Thickness 0.01mm Length 1000m -
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