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ISO 13145:2023

Rubber — Determination of viscosity and stress relaxation using a rotorless sealed shear rheometer

General information

Valid from 26.07.2023
ICS Groups
83.060 Rubber
Directives or regulations
None

Standard history

Status
Date
Type
Name
26.07.2023
Main
20.09.2012
Main
This document describes a method for the determination of the viscosity and stress relaxation of raw or compounded rubber under specified conditions.
The viscosity determination consists of a constant strain, temperature and frequency test in which the elastic and the loss components of the complex shear modulus can be determined.
The determination of stress relaxation consists of a constant static strain and temperature test in which the torque decrease can be determined.

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