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Homepage>BS Standards>83 RUBBER AND PLASTICS INDUSTRIES>83.040 Raw materials for rubber and plastics>83.040.10 Latex and raw rubber>BS ISO 2930:2017 Rubber, raw natural. Determination of plasticity retention index (PRI)
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immediate downloadReleased: 2017-09-18
BS ISO 2930:2017 Rubber, raw natural. Determination of plasticity retention index (PRI)

BS ISO 2930:2017

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

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Standard number:BS ISO 2930:2017
Pages:16
Released:2017-09-18
ISBN:978 0 580 89101 4
Status:Standard
DESCRIPTION

BS ISO 2930:2017


This standard BS ISO 2930:2017 Rubber, raw natural. Determination of plasticity retention index (PRI) is classified in these ICS categories:
  • 83.040.10 Latex and raw rubber

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.