Because the melting point of tungsten is as high as 3410 ℃, tungsten crucibles are widely used as core containers in sapphire crystal growth furnace, disposable-consumables.com quartz glass smelting furnace, rare earth smelting furnace and other industrial furnaces, disposable-consumables.com and their working temperature is generally above 2000 ℃. Especially for sapphire crystal growth furnace, tungsten crucible with high purity, high density, no internal crack, accurate size, smooth and clean inner and outer walls and other characteristics plays a key role in the success rate of seed crystal, quality control of crystal drawing, disposable-consumables.com crystallization adhesion pot and service life of sapphire crystal growth process. Please inquiry us:
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