High Purity Tungsten (W) Crucible for Vacuum Sintering Furnace

Min.Order: 1

Product origin: Zhengzhou, Henan, China

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Complaint

US$ 500

Description

Tungsten crucible

Physical and chemical properties
1. Purity: W≥99.95%
2. Density: ≥18.5cm3
3. Applicable temperature environment: ≤2400°C

Dimension and tolerance

Delivery condition	Specification		Tolerance		Thickness	Roughness (um)
Delivery condition	Diameter	Height	Diameter	Height	Thickness	Roughness (um)
Sintering	10~500	10~750	+/-5.0	+/-5.0	8~20	<3.5
Sintering finishing	10~450	10~550	+/-0.5	+/-0.5	7~18	<2.5

Special sizes can be manufactured according to customers' requirements.

Application
Since the melting point of tungsten has reached 3410°C, tungsten crucible is widely applied in industry furnace such as sapphire growth furnace, quartz glass melting furnace, and reare earth smelting furnace. The temperature in working environment of tungsten crucible is above 2000°C. For sapphire crystal growth furnace, high-purity, high-density, no internal-crack tungsten crucible with other features of exact measurement and smooth inner surface has decisive influence on success ratio of seed growth, quality control of pulling crystal, metamictization pot-committed and service life during sapphire growth process.

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