BS ISO 2930:2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Rubber, raw natural. Determination of plasticity retention index (PRI)
Hardcopy , PDF
English
18-09-2017
23-07-2024
| Committee |
PRI/22
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| 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)
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| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
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| SupersededBy | |
| Supersedes |
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.
| 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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