What does at250kpa mean?

1 Answers
SanMiles
07/30/25 1:56am
The maximum operating pressure of the tire is 250kpa, approximately 2.5kg per square centimeter, or 2.5 industrial atmospheres. Nowadays, pressure gauges also use international units, where 250kpa equals 0.25Mpa. This means that when inflating the tire, the reading on the air pump pressure gauge should not exceed 250kpa. Generally, the normal tire pressure for most cars ranges from 230kpa to 250kpa. Hazards of low tire pressure: The tire becomes softer, the friction coefficient between the tire and the road surface increases, fuel consumption rises, and the part of the tire in contact with the ground deforms significantly. Over time, this can cause fatigue in the tire rubber and the inner fabric, affecting the tire's lifespan and leading to factors such as a heavy steering wheel and abnormal deviation, which are detrimental to driving safety. Hazards of high tire pressure: Vibration and deviation of the steering wheel, reduced ride comfort, decreased tire friction and adhesion, impaired braking effectiveness, accelerated wear of the central tread pattern, and reduced tire lifespan.
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