Tungsten Hexafluoride: The densest known gas


A Speciality gas used in the semiconductor industry, tungsten hexafluoride is in slightly declining demand as the downturn hits the electronics sector.

Microchips have become so ubiquitous in our day-to-day life, they can be found virtually everywhere in modern society. They are in cars and washing machines, but also in mobile phones and DVD players.

They also form the basis for such new developments as intelligent textiles and wrist watches with built-in GPS systems.

But the production of these tiny units requires large amounts of specialty gases – and they must meet the stringent purity standards of the semiconductor industry.

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