GB/T 39971-2021
ActiveThresholds and grading of relative wet grip index for motor vehicle tyres
汽车轮胎湿路面相对抓着指数限值和等级
Application Summary AI generated
This standard specifies the thresholds and grading levels for the relative wet grip index of motor vehicle tyres. It is applied in the manufacturing, quality inspection, and market regulation of passenger car and commercial vehicle tyres in China, ensuring that tyres meet minimum safety performance requirements on wet road surfaces. The standard provides a uniform classification system for comparing tyre wet grip performance, aiding consumers and procurement professionals in selecting tyres with appropriate wet traction capabilities.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.