TUNGSTEN



Tungsten was first commercially used in incandescent and fluorescent light bulb 

filaments, and, later, in early television tubes. Tungsten expands at nearly the 

same rate as borosilicate glass and is used to make metal to glass seals. It is the 

primary metal in heating elements for electric furnaces and in many components 

where high pressure/ temperature environments are expected, such as aerospace 

and engine systems. Tungsten carbide is used in the production of industrial 

machinery, cutting tools, abrasives, and jewelry. High Purity (99.999%) Tungsten 

Oxide (WO2) PowderTungsten is available as metal and compounds with purities 

from 99% to 99.999% (ACS grade to ultra-high purity). High Purity (99.999%) 

Tungsten (W) Sputtering TargetElemental or metallic forms include pellets, rod, 

wire and granules for evaporation source material purposes. Tungsten 

nanoparticles and nanopowders provide ultra-high surface area. Tungsten oxides 

are available in powder and dense pellet form for such uses as optical coating and 

thin film applications. Oxides tend to be insoluble. Tungsten fluorides are another 

insoluble form for uses in which oxygen is undesirable such as metallurgy, 

chemical and physical vapor deposition and in some optical coatings. Tungsten is 

also available in soluble forms including chlorides. These compounds can be 

manufactured as solutions at specified stoichiometries.

 

 

 

 

 
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