BS ISO 4658:2020

Acrylonitrile-butadiene rubber (NBR). Evaluation procedure

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DESCRIPTION

This standard BS ISO 4658:2020 Acrylonitrile-butadiene rubber (NBR). Evaluation procedure is classified in these ICS categories:

This document specifies, for acrylonitrile-butadiene rubbers (NBRs):

physical and chemical tests on raw rubbers;
standard materials, a standard test formulation, equipment and processing methods for evaluating the vulcanization characteristics.

The mixing preferred method is the single stage mixing with LIM (laboratory internal mixer).