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BS ISO 19447:2021

BS ISO 19447:2021

$142.49

Passenger car tyres. Method for measuring ice grip performance. Loaded new tyres

Published By Publication Date Number of Pages
BSI 2021 30
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This document specifies the method for measuring the relative ice grip performance index of a candidate tyre compared with a reference tyre under loaded conditions for new tyres intended to be used for passenger cars on surfaces made of ice.

This document applies to all passenger car tyres, except for T-type temporary-spare tyres.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Test methods
4.1 Braking on ice method for passenger car tyres
4.1.1 General
4.1.2 Test course
4.2 Vehicle
4.3 Standard reference test tyre
12 4.4 Tyre preparation
4.4.1 General
4.4.2 Stud protrusion measurement procedure
13 4.4.3 Tyre load and inflation pressure
14 4.4.4 Instrumentation
15 4.4.5 Testing order and braking test cycles
4.4.6 Test procedure
4.4.7 Data evaluation and presentation of results
18 4.4.8 Ice grip performance comparison between a candidate tyre and a reference tyre using a control tyre
20 Annex A (informative) Example of a possible test report of ice grip index for a passenger car tyre
25 Annex B (informative) Example of a test conditions calculation to perform an ice grip evaluation test
29 Bibliography

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BS ISO 19447:2021
$142.49