ISO 4658:2020

Published (Edition 4, 2020)

CHF 63

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Abstract

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).

This standard contributes to the following Sustainable Development Goals

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