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download between 0-24 hoursReleased: 2020
ISO 4658:2020
ISO 4658:2020-Acrylonitrile-butadiene rubber (NBR)-Evaluation procedure
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Standard´s number: | ISO 4658:2020 |
Pages: | 10 |
Edition: | 4 |
Released: | 2020 |
Language: | English |
DESCRIPTION
ISO 4658:2020
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).