Tire Demand for Different Chinese and Foreign Tires

In Europe, Japan, North America and other regions, the radialization rate of tires basically reached 99% before 2000. After 1990, countries such as China and Brazil also developed rapidly. China's development is very fast. At present, the radialization rate of tires has reached more than 70%. In the next three years, China's tire radialization rate will increase slightly, but the growth rate will slow down. India and Russia are slightly slower, but the overall rate of radialization is increasing.

Europe has implemented the tire labeling method since November 1, 2012, and Japan and South Korea are also preparing the labeling method. In fact, as early as 2010, Japan started to issue a voluntary label for tire labels. Since December 2012, South Korea has imposed mandatory labeling on tires, and the United States will also provide tires with wet skid resistance, rolling resistance, and wear resistance. request. Green and environmental protection have become the development trend of tires in the world. The upgrading of tire production technology has become an inevitable trend.

● Development trend of heavy tyres in Europe and North America

Extra wide tires have become the development trend of heavy-duty tires, and they are strictly used in the use process in Europe and the United States.

First of all, the maximum height of the vehicle is 4 meters; secondly, larger engine horsepower, larger forklift discs and rim diameters are required than normal cars; and for the protection of the road surface, the maximum inflation pressure of the tires must also be limited to 9bar.

China still has many restrictions on the use of extra wide tires in terms of technology and policies. Therefore, it is not yet suitable for large-scale promotion.

● The demand for steel cords for truck tires

In China's radial passenger tires, the "overload" and "long-distance" directions accounted for 90% of the total sales of heavy-duty tires. During the running of a car, overloading and overpressure simultaneously increase the mean value and amplitude of the force of the carcass cord, which intensifies the wear and corrosion of the steel cord and shortens the fatigue life of the carcass cord. Therefore, Improve the corrosion resistance of the cord can effectively improve the tire life.

For overloaded tires, stronger cords are needed to increase the strength of the carcass cord and the cord penetration properties need to be improved to reduce the corrosion of the cords. For long-distance tires, higher-strength cords are required to reduce the weight of the cords, and optimizing the cord structure is intended to reduce cord wear and thereby extend the life of the carcass cords.

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