90.60 Close of review Mar 4, 2024
ISO
ISO/TC 27/SC 1 Coal preparation: Terminology and performance
International Standard
73.040 Coals
Published
This document describes a method for determining the abrasiveness of hard coal.
WITHDRAWN
ISO 12900:2015
PUBLISHED
ISO 12900:2018
90.60
Close of review
Mar 4, 2024