ISO 4659:2020

Styrene-butadiene rubber (carbon black or carbon black and oil masterbatches) - Evaluation procedure

This document specifies:

— the physical and chemical tests on raw rubbers;

— the standard materials, standard test formulations, equipment, and processing methods for evaluating the vulcanization characteristics of styrene-butadiene rubber masterbatches with carbon black or with carbon black and oil.

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