Nitrogen (N2)

Nitrogen is a ‘permanent gas’ that is colourless, tasteless, odourless, and non-combustible. It constitutes 78% of air by volume, is very inert in the free-state and incapable of supporting life. In its liquid state it is extremely cold at -196 ˚C. One volume of liquid nitrogen gives approximately 700 volumes of gas at ambient conditions. N forms many important compounds, such as ammonia, nitric acid, cyanide and is a constituent of all organised living tissues, animal and vegetable.



Oil and gas refinery

Pipeline, purging and pigging, tanks blanketing

Food and beverage

Cryogenic food freezing, Modified Atmosphere Packaging (MAP), liquid nitrogen dosing for beverages, metals fabrication, sparging and blanketing.

Metals fabrication

Heat treatment for various metals.

Health care

Cryo surgery, used for freezing and preserving blood, semen and other biological specimens.


Cryo grinding of plastics, rubbers, tyres and metals


Tire filling with nitrogen increase the lifetime of the tires

Electrical and semiconductor

Nitrogen is used as carrier gas for overall protection against impurities and oxidation in semiconductor and soldering processes. In its cold and liquid form, N₂ is used as a cooling medium in the environmental testing of electronic devices.

Lab and research

Nitrogen is used as a carrier gas in gas chromatography for various industrial and hospital analysis and quality control.


 Concrete cooling

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