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ISO 13145:2023

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

Publication date:   Jul 26, 2023

General information

60.60 Standard published   Jul 26, 2023

ISO

ISO/TC 45/SC 2 Testing and analysis

International Standard

83.060   Rubber

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 13145:2012

NOW

PUBLISHED
ISO 13145:2023
60.60 Standard published
Jul 26, 2023