The noise of automobiles mainly comes from five aspects, including wind noise, engine noise, chassis noise, tire noise, and exhaust noise. Classify different noise value tires into classes. Promote the production and use of low-noise tires. Reducing tire noise can improve the quality of people's living and working environment.

Various regions specify tire noise standards

As early as 2007, the European Union put forward the first stage of requirements for car tire inertial glide through the noise. In 2009, it also put forward the requirement of tire inertial glide through noise classification. Requirement of tire inertial glide through the noise certification classification. Recently the European Union has proposed a new tire labeling law, the new proposal for the tire inertial glide through the noise level of reclassification. The noise level index value is getting lower and lower. This shows that the EU market on the tire products of the inertial glide through the noise requirements are increasingly high. Some other countries, including the United States, Japan, Brazil, Thailand, etc., are also carrying out or will carry out the tire certification work. The inertia of automobile tires through the noise by developing standards or by the form of regulations to regulate and restrain. Further, reducing the inertia of China's tire products through the noise helps improve the quality of life of consumers and the comfort of the rider, but also enhances the competitiveness of China's tires in the international tire market. This requires the development of automotive tire inertial glide through the noise limits and grade standards to promote the development and production of low-noise tires and use.

Tire noise standards specify what?

Tire noise standards are divided into two levels, level indicators using the indicators specified in the EU ECE / R NO.1222. At the same time, the standard provides for the tire inertia skid through the noise limit for consistency checks, the judgment value allowed to exceed the limit value of 1 dB; tire inertia skid through the noise level for consistency checks, the judgment value allowed to exceed the declared level of the upper limit value of 1 dB.

Why do we need to specify tire noise?

Tire noise standards" issued and implemented, is conducive to the control of automobile tires when driving noise, reduce tire driving due to noise and pollution. Also conducive to meeting the needs of the tire industry, to provide unified, standardized, authoritative national standards. At the same time, enhance the competitiveness of domestic tires in the international market, to provide the international community with low noise value of automotive tire products, creating greater economic and social benefits.

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