Since
the melting point of the tungsten is up to 3410℃, the tungsten crucible is widely
used in the sapphire single crystal growth furnace, quartz glass melting
furnace, rare earth smelting furnace and other core container in
industrial furnace. In general, the temperature of the working environment of
tungsten crucibles is over 2000℃.
With the
property of high purity, high density, well-made and reasonable
design, tungsten heater components are of great importance in
the quality control, energy conservation, and service life of
sapphire crystal.
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