ISO/CD TS 4699

Hard Coal — Determination of plastometric indices — Manual method ISO/CD TS 4699

General information

30.99   CD approved for registration as DIS   Feb 2, 2026

ISO

ISO/TC 27/SC 5 Methods of analysis

Technical Specification

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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO/TS 4699:2022

NOW

IN_DEVELOPMENT
ISO/CD TS 4699
30.99 CD approved for registration as DIS
Feb 2, 2026




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