Industrial Gases for Pneumatic Tyres

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It was 1895 when Michelin brothers first fitted a motor vehicle with an air-filled rubber tyre and since then the life of a 21st century human being is unimaginable without a two-wheeler/four-wheeler motor vehicle. Traditional medium for inflating rubber tyres has been compressed air i.e., 21% Oxygen and 78% Nitrogen. BUT…

A lot of people are switching from traditional compressed air to nitrogen for getting their car tyres inflated. Nitrogen gas for inflating tyres has plethora of advantages over compressed air. Oxygen in compressed air oxidizes and decays rubber. It also accounts for corroding the tyre breading,

Nitrogen gas also leads to improved fuel efficiency as the molecules are smaller when compared to that of Oxygen. Air migrates through the tyre rubber effecting tyre pressure. Though, the air migration process is slow but it decreases the tyre pressure over time. Whereas Nitrogen molecules find it quite difficult to escape the tyre cavity. This results in minimal leakage resulting in sustainable pressure in the tyre.

Nitrogen gas is known for its inertness. Compressed air consists of some amount of water vapor. This water vapor leads to rusting of the wheel. The tyre life can be increased when it is inflated using Nitrogen as its inert nature removes the chance of rust and corrosion.

Industrial Gases also find various applications in the manufacturing process of tyres. Apart from various applications of Nitrogen gas in the press, Carbon Dioxide is used in the form of dry ice pellets where the pellets are shot (up to 300 metres per hour) at the moulds. The impact energy and thermal shock resulting from it cleans the surface of the moulds, stripping away the contaminants. Pellets soon transit into gaseous state, leaving clean surface.