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immediate downloadReleased: 2024-07-19
ISO 2930:2024
ISO 2930:2024 - Raw, natural rubber — Determination of the plasticity retention index (PRI)
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| Standard´s number: | ISO 2930:2024 |
| Edition: | 6 |
| Released: | 2024-07-19 |
| Pages (English): | 9 |
| Pages (French): | 9 |
DESCRIPTION
ISO 2930:2024
This document specifies a method to determine 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.