ISO 501:2012

Hard coal — Determination of the crucible swelling number

OVERVIEW

ISO 501:2012 specifies a method for determining the swelling properties of hard coal when heated in a covered crucible.

The "crucible swelling number" (CSN) is also known as the "free swelling index" (FSI).

COMMENTS

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PRODUCT DETAILS

Status Withdrawn - 06 Jan 2026
Edition 2012
No. of Pages 7
ICS Classification 73.040 Coals
Committee ISO/TC 27/SC 5
Available for Purchase For sale in Singapore only
Adoption ISO