W: >=99.95%
Density: 19-19.3/cm3
As heating element, high temperature material for vacuum furnace, sapphire crystal growing furnace.
Special shape or size according to customers requirement and drawing.
Application temperature environment:<=2300℃
W rod diameter:3-10mm
Height: 200-1000mm
Tungsten heater components, as heat source in the sapphire growth furnace, have decisive effect for Al2O3 melt to form turbulence and produce radial temperature gradient. Therefore, high-purity and high-density tungsten heater components with delicate manufacture and reasonable design have great significance towards quality control of sapphire crystal, energy saving and service life.
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