Sussex Police force, in the United Kingdom, carried out a roadside survey to check tyre pressures due to their concern with incorrectly inflated tyres. The check allowed a +/- 5psi tolerance against recommended handbook pressures.
The results of the survey were that 73% of all cars checked had incorrect pressures
Police also check the tyre pressures of every car involved in a road traffic accident in the UK. This data shows that 86% of vehicles involved in road traffic accidents have incorrect tyre pressures.
Tyres that are under inflated by just 20% (4-6 psi) on average can add £2,600 to a fleet tyre bill that should be £10,000, a 26% increase in cost. According to police figures 73% of tyres checked were 5 psi out against handbook pressures
It is estimated that under-inflation of 20% can cause fuel costs to rise by 5%.
Compressed air contains Water, Water vapour and Oxygen, which attacks the wheel rims and shortens the useful life of the rubber.
Certain components namely Oxygen, water vapour and free water that are found in compressed air are prone to permeation through the tyre structure. This is not from faulty valves or leaky rims but a natural pressure loss across the tyre and into the atmosphere. Of these components, both water vapour and free water can enter the tyre in varying amounts even if identical tyres are inflated with the same gauge on the same day. Compressed air is not a specified gas and as such will always contain varying amounts of these components that are not suitable for tyre inflation.
The Uniflate System carries out in milliseconds what happens in every tyre over a period of months. By filtering out the 'active oxygen' and water / water vapour the Uniflate product provides the tyre with a stable inflation mixture that has no desire to permeate (leak) out through the tyre's structure.
Uniflate is not made but harvested. Everything that is needed to make Uniflate is already in the atmosphere around us. All the Uniflate equipment does is separate out the ideal gases for tyre inflation and releases the ones that aren’t, back into the atmosphere.
The Membrane; Hollow Fibre Membranes, which use proprietary technology and the principles of permeation to provide a guaranteed reliable supply of nitrogen gas. Compressed air enters the membrane core and passes through the bundles of hollow fibre. The faster gases (water, carbon dioxide, oxygen and argon) permeate through the walls of the fibre and are removed. Nitrogen, being a slow permeating gas, cannot pass through the fibre walls, and continues through the hollow fibre to be collected and supplied by our system for the use of tyre inflation. All we have done is remove those elements of Compressed air that are undesirable for tyre inflation.
Under inflated tyres create drag which increases tread wear, fuel costs and the risk of punctures as well as having a significant effect on a cars performance both in handling and cost. Uniflate produces a stable inflation mixture, as can be seen in the diagram on the left, that has improved pressure retention properties that will ensure tyres remain fully inflated for longer. By having your tyres at the correct pressures you will experience the following benefits:
1. Better handling and road holding
2. Reduces tread wear and increases tyre life by up to 25%
3. Correct inflation pressures reduce puncture risk by up to 33%
4. Reduced rolling resistance improves miles per gallon by 2%
5. Improved pressure retention
Dated on June 30th, 2011
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