ISO/DIS 4658

Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure

General information

Current stage: 40.20 Effective date: Apr 1, 2026

Originator: ISO

Owner: ISO/TC 45/SC 3

Type: International Standard

ICS: 83.060

Buying

Уколико желите да набавите овај документ обратите се на следећу адресу: prodaja@iss.rs

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

PUBLISHED
ISO 4658:2020

NOW

PROJECT
ISO/DIS 4658
40.20 DIS ballot initiated: 12 weeks
Apr 1, 2026

Preview

To view the full content, you need to register or to log in to your account by clicking on the "Log in" button