ISO 4658:2020
Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure
Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 10
- Дата публикации:
- 11 августа 2020 г.
- Издание:
- ISO IS 4658 edition 4 version 1
- ICS:
- 83.060
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).
Abstract
Overview
ISO 4658:2020 - "Acrylonitrile-butadiene rubber (NBR) - Evaluation procedure" defines standardized methods for evaluating raw NBR (acrylonitrile‑butadiene rubber). The standard covers sampling and sample preparation, on raw rubbers, a , and defined equipment and (preferred single‑stage LIM mixing) for assessing and tensile properties.
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