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B51-14 (R2019) – Boiler, pressure vessel, and pressure piping code

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ISO 15222:2025

ISO 15222:2025 Truck and bus tyres — Method for measuring relative wet grip performance — Loaded new tyres

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This publication was last reviewed and confirmed in 2025.

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

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Description

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.

Edition

3

Published Date

2026-06-18

Status

PUBLISHED

Pages

22

Language Detail Icon

English

Format Secure Icon

Secure PDF

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.

Previous Editions

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