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BS ISO 132:2017

BS ISO 132:2017

$142.49

Rubber, vulcanized or thermoplastic. Determination of flex cracking and crack growth (De Mattia)

Published By Publication Date Number of Pages
BSI 2017 24
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This document specifies a method of test intended for use in comparing the resistance of vulcanized or thermoplastic rubbers to the formation and growth of cracks, when subjected to repeated flexing on the De Mattia type machine. For determination of crack growth, an artificial cut is made in the test piece to initiate cut growth.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
4 Apparatus
11 5 Calibration
6 Test pieces
6.1 Shape, dimensions and preparation
6.2 Preparation of test pieces for crack growth measurement
13 6.3 Time interval between vulcanization and testing
14 6.4 Conditioning
6.5 Number of test pieces
7 Test conditions
7.1 Temperature
7.2 Humidity
8 Procedure
8.1 General
8.2 Determination of flex cracking
15 8.3 Determination of crack growth
9 Expression of results
9.1 Determination of flex cracking
16 9.2 Determination of crack growth
10 Precision
11 Test report
18 Annex A (normative) Calibration schedule
20 Annex B (informative) Precision
23 Bibliography

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BS ISO 132:2017
$142.49