International Standard
ISO 15222:2025
Truck and bus tyres — Method for measuring relative wet grip performance — Loaded new tyres
Reference number
ISO 15222:2025
Edition 3
2025-12
© ISO 2026
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Published (Edition 3, 2025)

ISO 15222:2025

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Abstract

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
    Publication date
     : 2025-12
    Stage
    : International Standard published [60.60]
  • Edition
     : 3
    Number of pages
     : 22
  • Technical Committee :
    ISO/TC 31
    ICS :
    83.160.10 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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