BS ISO 4659:2020

This standard BS ISO 4659:2020 Styrene-butadiene rubber (carbon black or carbon black and oil masterbatches). Evaluation procedure is classified in these ICS categories:

• 83.060 Rubber

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.