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ISO/TS 4667:2022

Coal — Determination of the thermal stability and thermal fragmentation

Aug 12, 2022

General information

90.92     Feb 2, 2026

ISO

ISO/TC 27/SC 5

Technical Specification

73.040     75.160.10  

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Scope

This document specifies methods for the determination of thermal stability and thermal fragmentation of coal. It is applicable to brown coal and lignites, anthracites and bituminous coal with a caking index of zero (determined by ISO 15585).

Life cycle

NOW

PUBLISHED
ISO/TS 4667:2022
90.92 Standard to be revised
Feb 2, 2026

REVISED BY

IN_DEVELOPMENT
ISO/CD TS 4667