ISO/TS 4699:2022
International Standard
Current Edition
·
Approved on
17 August 2022
Hard Coal — Determination of plastometric indices — Manual method
ISO/TS 4699:2022 Files
English
26 Pages
Current Edition
63.94 OMR
ISO/TS 4699:2022 Scope
This document specifies a manual method for the determination of plastometric indices. These indices are the maximum thickness of the plastic layer (Y, mm) and the final contraction value (X, mm).
This document is applicable for hard coals with a determined ash level less than 15 % on a dry basis, as described in ISO 11722 and ISO 1171.
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