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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-18-2017

Publisher

British Standards Institution

This document 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.

Committee	PRI/50
DevelopmentNote	Supersedes & renumbers BS 903-A59.59.2(1997). Supersedes BS 903-A59(1990), 92/42292 DC & 07/30166152 DC. (10/2009) Supersedes 16/30317723 DC. (10/2017)
DocumentType	Standard
Pages	18
PublisherName	British Standards Institution
Status	Current
Supersedes	BS ISO 2930:2009 BS 903-A59:1990 92/42292 DC : JUL 92 BS 903-A59.59.2(1997) : 1997 07/30166152 DC : 0 16/30317723 DC : 0

Standards	Relationship
ISO 2930:2017	Identical

BS 903-0:2012

Physical testing of rubber General

ISO 23529:2016	Rubber General procedures for preparing and conditioning test pieces for physical test methods
ISO 1795:2017	Rubber, raw natural and raw synthetic — Sampling and further preparative procedures
ISO 2007:2007	Rubber, unvulcanized Determination of plasticity Rapid-plastimeter method
ISO 2393:2014	Rubber test mixes — Preparation, mixing and vulcanization — Equipment and procedures
ISO/TR 9272:2005	Rubber and rubber products Determination of precision for test method standards

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BS ISO 2930:2017

Current

Scope

General Product Information

International Equivalents

Standards Referenced By This Book

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