ISO 4658:2020

Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure

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).

Edition	2020
Published Date	2020
Published By	International Standardization Organisation
Page Count	10