Otros

 

Otros

ISO 4658:2020 - Acrylonitrile-butadiene rubber (NBR) — Evaluation procedure
01/08/2020 - This document specifies, for acrylonitrile-butadiene rubbers (NBRs):— physical and chemical tests on raw rubbers;— standard materials, a standard test...
Plastics and rubber machines - Internal mixers - Safety requirements
- This European Standard deals with all significant hazards, hazardous situations or hazardous events relevant to the design and construction of internal mixers during all phases of the machine life...