Tungsten Crucible in Sapphire Growth Furnace Application

Tungsten crucible has the properties of tungsten, wear-resistance, high melting point, high density, corrosion resistance and other properties; therefore, it is often used as a core container for sapphire growth furnace, rare earth smelting furnace, quartz glass melting furnace and other industrial furnace. Tungsten crucible working temperature typically is above 2000 ℃. In particular, for sapphire growth furnace, tungsten crucible with high-density, high purity, size precision, and smooth inner and outer walls and without internal cracks and other properties has played a key role in sapphire crystal growth process, such as, pulling quality control, seed success rate, off crystal stick pan and extend its useful life.


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