Tungsten alloy thin-walled cylinder has high density, generally more than 18.2g/cm3; High melting point, the recommended working temperature at 2500 ℃. It is mainly used in high temperature furnace thermocouple protection tube, sapphire single crystal furnace, high temperature sintering furnace support parts and so on. In addition, it also has good radiation shielding effect, which is non-toxic and environmental protection. It will not cause harm to human health, so can be used as the shield needle in medicine.
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