ISO 12493:2023

Published (Edition 3, 2023)

ISO 12493:2023

CHF 98

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Abstract

This document describes two methods for measuring stress in tension under non-isothermal conditions.

— Method A: The thermal stress is measured for various pre-strain and temperature conditions as a function of time.

— Method B: The change of stress is measured in a test piece at a given strain and under variation of temperature at a given heating rate as a function of temperature. In this way, the determination of the thermal-mechanical behaviour of a rubber can be accelerated, e.g. for the purpose of comparative testing of aging or estimating the upper limit of the operating temperature.

The measurement device, which is equipped with a suitable heating chamber, is used to record the stress as a function of time or temperature until the sample breaks or the stress has approached zero or for a certain time.

General information

Status
: Published

Publication date
: 2023-01

Stage
: International Standard published [60.60]
Edition
: 3

Number of pages
: 17
Technical Committee :
ISO/TC 45/SC 2

ICS :
83.060
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