ISO 501:2025

Hard coal — Determination of the crucible swelling number

This document specifies a method for determining the swelling properties of hard coal when heated in a covered crucible. NOTE The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).

OEN:

ISO

Langue:

English

Code(s) de l'ICS:

73.040; 75.160.10

Statut:

Publié

Date de Publication:

2025-04-30

Numéro Standard:

ISO 501:2025