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ISO/TS 20362:2022

Hard coal — Determination of plastometric indices — Automated Sapozhnikov penetration plastometer method

Publication date:   Aug 5, 2022

General information

90.92   Standard to be revised   Feb 2, 2026

ISO

ISO/TC 27/SC 5 Methods of analysis

Technical Specification

73.040   Coals

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Scope

This document specifies a method for the determination of plastometric indices with an automated Sapozhnikov penetration plastometer. These indices are the maximum thickness of the plastic layer, Y, in mm, and the final contraction, X, in mm.
This document is applicable to hard coals with a determined ash level of less than 15 % as dry basis as described in ISO 11722 and ISO 1171.

Life cycle

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PUBLISHED
ISO/TS 20362:2022
90.92 Standard to be revised
Feb 2, 2026

REVISED BY

IN_DEVELOPMENT
ISO/CD 20362