Polished tungsten rods have the highest melting point of all metals and is therefore also suitable for very high-temperature applications. It is also characterized by a uniquely low coefficient of thermal expansion and a very high level of dimensional stability. 

 

Surface: Black and polished 

Purity: ≥ 99.95% 

Density: ≥ 19.2g/cm3, 

Surface roughness: < 1.6 

Dia: 2.5-120mm 

Standard: ASTM 

 

Application: 

Used in the manufacturing of electric light source and electric vacuum parts and get an electric shock materials. 

Used as a means of high temperature and high temperature structure parts. 

In the rare earth industry used as electrode. 

 

 

 

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