This standard was last reviewed and confirmed in 2022. Therefore this version remains current.
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.
Status : PublishedPublication date : 2017-08
Edition : 5Number of pages : 9
Technical Committee:Raw materials (including latex) for use in the rubber industry
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