Historical

ISO 2930:1995

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

Cancels and replaces the second edition (1981). 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.

CONTENT PROVIDER
International Organization for Standardization [iso]

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Rubber, unvulcanized - Determination of plasticity - Rapid-plastimeter method
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