BS ISO 4658:2020
Acrylonitrile-butadiene rubber (NBR). Evaluation procedure

Standard No.

BS ISO 4658:2020

Release Date

2020

Published By

British Standards Institution (BSI)

Latest

BS ISO 4658:2020

Scope

What is ISO 4658 about?    ISO 4658 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 preferred mixing method is the single-stage mixing with LIM (laboratory internal mixer).  

BS ISO 4658:2020 history

• 2020 BS ISO 4658:2020 Acrylonitrile-butadiene rubber (NBR). Evaluation procedure
• 2000 BS ISO 4658:2000 Acrylonitrile-butadiene rubber (NBR) - Evaluation procedure
• 2000 BS ISO 4658:1999 Acrylonitrile-butadiene rubber (NBR) - Evaluation procedure