Tungsten smelting crucible for sapphire growing
Specifications
Tungsten crucible is widely applying in high temperature vacuum furnace melting environment such as LED sapphire growing furnace
1. Physical and chemical properties
(1) Density: 18.0~19.2g /cm3
(2) Surface roughness: < 3.2
(2) Surface roughness: < 3.2
(3) Purity:W99.95%(min.)
(4) Application temperature environment:1800~2600C
2. Specifications:
Dimensions and tolerances Unit:mm
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Delivery condition
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Specification
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Tolerance
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Thickness
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Roughness
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||
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Diameter
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Height
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Diameter
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Height
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|||
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Sintering/forged
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10~500
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10~750
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±3.0
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±3.0
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8~20
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Final Finished
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10~450
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10~550
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±0.5
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±1.0
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7~18
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<3.2
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Special sizes can be manufactured based on customers' requirements