ISO 4658:2020

Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure

Publication date: Aug 11, 2020

General information

Current stage: 60.60 Effective date: Aug 11, 2020

Originator: ISO

Owner: ISO/TC 45/SC 3

Type: International Standard

ICS: 83.060

Languages: English

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Status: Published

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Scope

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).

Life cycle

PREVIOUSLY

Revises
ISO 4658:1999

Revises
ISO 4658:1999/Amd 1:2004

NOW

PUBLISHED
ISO 4658:2020
60.60 Standard published
Aug 11, 2020

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