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ISO/CD 349

Hard coal — Audibert-Arnu dilatometer test ISO/CD 349

General information

30.99   CD approved for registration as DIS   Feb 2, 2026

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

Scope

This document specifies a method for determining the swelling properties of hard coal when heated under standard conditions in a dilatometer.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 349:2020

NOW

IN_DEVELOPMENT
ISO/CD 349
30.99 CD approved for registration as DIS
Feb 2, 2026




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