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BS ISO 1658:2022

BS ISO 1658:2022

$142.49

Natural rubber (NR) – Evaluation procedure

Published By Publication Date Number of Pages
BSI 2022 24
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PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
8 4 Sampling and further preparative procedures
5 Physical and chemical tests on raw rubber
5.1 Mooney viscosity
5.2 Volatile-matter content
5.3 Other specifications on requirements
6 Preparation of test mix
6.1 General
6.2 Standard test formulae
9 6.3 Procedure
6.3.1 Equipment and procedure
6.3.2 Mill mixing procedure for Formulae (1) and 2 (gum compounds)
10 6.3.3 Mill mixing procedure for Formulae (1) and 2 (gum compounds) using masterbatches
6.3.4 Mixing procedures for Formula (3) (black-filled compound)
14 7 Evaluation of vulcanization characteristics by a curemeter test
7.1 Using an oscillating-disc curemeter
7.2 Using a rotorless curemeter
15 8 Evaluation of tensile stress-strain properties of vulcanized test mixes
9 Precision statement
10 Test report
16 Annex A (normative) Procedure for preparing gum compounds through use of masterbatches
18 Annex B (informative) Precision statement for both mill and internal mixer
23 Bibliography

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BS ISO 1658:2022
$142.49