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Place of Origin Henan, China (Mainland) Alloy Or Not Is Alloy We are the professional manufacturer specilized in producing tungsten alloy, we can guarantee high quality and reasonable price Tungsten copper. WCu composites are offered with 10-40wt%Cu. Advantages: Our tungsten copper are high arc resistance combined with good electrical conductivity. High thermal conductiveity and low thermal expasioan. It can be used in electric spark erosion cutting machines, heat sinks as passive colling elements of elements of electeic devices, electrodes for resistance welding. Applications: Arcing contacts and vaccum contacts in high and medium voltage breakers or vaccum interruptors Electrodes in electric spark erosion cutting machines. Heat sinks as passive cooling elements of electronic devices. Electrodes for Resistance Welding