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Tungsten Grinding jar

      Physical and chemical properties

  Purity :W≥99.95%;                                                       

  Density:≥18.2g/cm3;

  Application temperature environment:2300℃。

  Measurements and tolerances

  Unit:mm

Delivery condition

Specification

Tolerance

Thickness

Roughness (μm)

Diameter

Height

Diameter

Height

Sinter

10~500

10~750

±5.0

±5.0

8~20


Finished sinter

10~450

10~550

±0.5

±1.0

7~18

<2.5

  Special sizes can be manufactured based on customers' requirements

  Application

      Since the melting point of tungsten has reached 3410℃, tungsten crucible is widely applied in industry furnace such as sapphire growth furnace, quartz glass melting furnace, and rare earth smelting furnace。The temperature in working environment of tungsten crucible is above 2000℃。 For sapphire crystal growth furnace, high-purity, high- density, no internal -crack tungsten crucible with other features of exact measurement and smooth 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。

      Tungsten crucible Liners (W crucible; W liners; wolfram crucible; wolfram liner) are very useful in electron-beam evaporation as they typically increase the evaporation rates of the material being deposited and they simplify the task  of changing from one evaporation material to another. Crucible Liners are available in a variety of sizes.


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Related keywords: tungsten bars, Molybdenum barsWolfram Electrodesrefractory metal base composite materials, Tig Welding Electrodes, Tungsen contacts, Special shape part

SHAANXI YUHENG TUNGSTEN & MOLYBDENUM INDUSTRIAL CO.,LTD

Add:Huochang Road,Baoji City,Shaanxi Province, China
Tel:86-0917-3215068   Fax:86-0917-3851118
Email:shaanxi.yuheng@yahoo.com

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