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ISO/DIS 25307

Butadiene rubber (BR), raw — Quantitative test methods for cold flow ISO/DIS 25307

General information

40.60   Close of voting   Nov 11, 2025

ISO

ISO/TC 45/SC 3 Raw materials (including latex) for use in the rubber industry

International Standard

83.040.10   Latex and raw rubber

Scope

This document specifies two methods for the determination of cold flow characteristics of raw polybutadiene rubber (BR):
— Method A is a stress relaxation method using the rotorless rheometer;
— Method B is a creep testing method using compression assembly.

Life cycle

NOW

IN_DEVELOPMENT
ISO/DIS 25307
40.60 Close of voting
Nov 11, 2025




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