NBN ISO 2930:2024
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NBN ISO 2930:2024

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

Summary

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.

Technical characteristics

Publisher Bureau de Normalisation Belge (NBN)
Publication Date 11/19/2024
Page Count 0
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Weight (in grams) ---
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