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ISO 2930:2024

Raw, natural rubber - Determination of the plasticity retention index (PRI)
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ISO 2930:2024

Raw, natural rubber - Determination of the plasticity retention index (PRI)

PUBLISH DATE 2024
ISO 2930:2024

This document specifies a method to determine the plasticity retention index (PRI) of raw natural rubber.

The PRI is a measure of the resistance of raw natural rubber to thermal oxidation. A high resistance to thermal oxidation is shown as a high value of the index.

PRI is not an absolute value and cannot give an absolute classification of plasticity number of different natural rubber after oxidation.

SDO ISO: International Organization for Standardization
Document Number ISO 2930
Publication Date Jan. 1, 2024
Language en - English
Page Count 14
Revision Level
Supercedes
Committee ISO/TC 45/SC 3
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