ISO 10329:2025

Hard coal — Determination of plastic properties — Constant-torque Gieseler plastometer method

Publication date: May 16, 2025

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Current stage: 60.60 Effective date: May 16, 2025

Originator: ISO

Owner: ISO/TC 27/SC 5

Type: International Standard

ICS: 73.040

Languages: English

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Status: Published

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This document specifies a method for obtaining a relative measure of the plastic behaviour of hard coal when heated under prescribed conditions. The method is used to obtain values of the plastic properties of coals and blends used in carbonization and in other situations where determination of plastic behaviour of coals is of practical importance.
NOTE The empirical nature of this test requires proper equipment calibration to produce fluidity readings which are a true indication of the relative plastic behaviour of the coal.

ISO 10329:2025

Hard coal — Determination of plastic properties — Constant-torque Gieseler plastometer method

General information

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