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BS ISO 25307 ISO 25307 Butadiene rubber (BR), raw. Quantitative test methods for cold flow

Source:
ISO
Committee:
PRI/22 - Rubber - raw materials (including latex) including testing and analysis
Categories:
Latex and raw rubber
Comment period start date:
Comment period end date:
Number of comments:
0

Comment by:

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.

In case of dispute, the preferred method is method A.

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