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ISO 15222:2025

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 15222:2025
Document Year: 2025
Pages: 22
Edition: 3

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ISO 15222:2025
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