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SRPS ISO 2930:2019

Rubber, raw natural — Determination of plasticity retention index (PRI)

Jan 31, 2019

General information

90.92     Feb 7, 2023

ISS

G045

International Standard

83.040.10  

English  

Van Plana 2018

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Published

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Scope

ISO 2930:2017 specifies a method for determining 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.

Life cycle

PREVIOUSLY

WITHDRAWN
SRPS ISO 2930:2014

NOW

PUBLISHED
SRPS ISO 2930:2019
90.92 Standard to be revised
Feb 7, 2023

REVISED BY

PROJECT
prSRPS ISO 2930:2025

Related project

Adopted from ISO 2930:2017