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ISO 4658:2020

Acrylonitrile-butadiene rubber (NBR) -- Evaluation procedure

General information
Valid from 11.08.2020
ICS Groups
83.060 Rubber
Directives or regulations
None
Standard history
Status
Date
Type
Name
11.08.2020
Main
21.10.2004
Amendment
02.12.1999
Main
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).
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Standard monitoring