BS ISO 4097:2020 pdf free.Rubber, ethylene-propylene-diene (EPDM)一Evaluation procedure. BS ISO 4097 This document specifies: 一the physical and chemical tests on raw rubbers; the standard materials, standard test formulations, equipment, and processing methods for evaluating the vulcanization characteristics of ethylene-propylene-diene rubbers (EPDM), including oil-extended types.The mixing technique in each method can be modified to achieve a good dispersion of all the...