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ISO 11358-2:2021

Plastics — Thermogravimetry (TG) of polymers — Part 2: Determination of activation energy

Publication date:   Jan 29, 2021

General information

90.93   Standard confirmed   Jun 10, 2026

ISO

ISO/TC 61/SC 5 Physical-chemical properties

International Standard

83.080.01   Plastics in general

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Scope

This document specifies a method for the determination of the activation energy, Ea, in the Arrhenius formula for the decomposition of polymers using a thermogravimetric technique. The method is applicable only if the reaction proceeds by a single mechanism. It is applicable to multistage reactions if they consist of clearly separated single-stage steps.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 11358-2:2014

NOW

PUBLISHED
ISO 11358-2:2021
90.93 Standard confirmed
Jun 10, 2026