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ISO 2930 : 2024

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

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 2930 : 2024
Document Year: 2024
Pages: 9
Edition: 6
  • Section Volume:
  • ISO/TC 45/SC 3. Raw materials (including latex) for use in the rubber industry

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ISO 2930 : 2024

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