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ISO 15222:2025

Truck and bus tyres - Method for measuring relative wet grip performance - Loaded new tyres

This document specifies the method for measuring the relative wet grip braking performance index to a reference under loaded conditions for new tyres for use on commercial vehicles on a wet-paved surface.

 

NOTE            The methods developed in this document are intended to reduce variability. A reference tyre is used to limit the variability of the testing method procedures.

 

This document applies to all commercial vehicle, truck and bus tyres.

 

This document does not apply to:

 

     tyres fitted with additional devices to improve traction properties (e.g. studded tyres);

 

     professional off-road tyres.

CONTENT PROVIDER
International Organization for Standardization [iso]

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