What is the most suitable tire pressure in winter?

The tire pressure of Pacific Auto Network in winter is appropriately raised by about 0.2bar on the basis of standard tire pressure. According to the provisions and requirements of international standard GBT2978-2008: standard tire: 2.4-2.5bar, reinforced tire: 2.8-2.9bar, maximum atmospheric pressure: no more than 3.5bar.

Air pressure is the key to tires. Too high or too low will shorten the service life of tires. If the air pressure is too low, the deformation of the carcass will increase, and cracks will easily appear on the sidewall. At the same time, it will produce buckling movement, lead to excessive heating, promote rubber aging, tire cord fatigue and cord fracture. It will also increase the contact area of the tire and accelerate the wear of the shoulder.

If the air pressure is too high, the tire cord will be excessively stretched and deformed, and the elasticity of the carcass will decrease, which will increase the load when the car is running. Once hit, it will cause internal cracking and explosion. At the same time, too high air pressure will accelerate tire crown wear and reduce rolling resistance.

Preventive measures for tire inflation;

1, inflation should not exceed the standard pressure before deflation, nor should it be inflated too much because it is impossible to inflate after going out for a long time. If it exceeds the standard, the cord will be stretched excessively, which will reduce its strength and affect the life of the tire.

2. Wipe off the dust on the valve before inflation, and do not loosen the valve core. After inflation, apply soapy water (or saliva) to the valve to check whether there is air leakage (if there is air leakage, small bubbles will be generated), and assemble the valve cap tightly to prevent sediment from entering the valve.

(Photo/Text/Photo: Pacific Auto Network King 1)