0

ISO/DIS 8264

Hard coal — Determination of the swelling properties using a dilatometer ISO/DIS 8264

General information

40.00   DIS registered   Aug 28, 2026

ISO

ISO/TC 27/SC 5 Methods of analysis

International Standard

73.040   Coals

Scope

A test piece, in the form of a pencil, prepared from powdered coal is heated at a constant rate in a steel retort positioned in a furnace, the temperature monitoring system having been previously calibrated using two reference metals of known melting points. The change in level of a piton resting upon the test piece is observed continuously, and record is produced which is characteristic of the swelling properties of the coal.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 8264:1989

NOW

IN_DEVELOPMENT
ISO/DIS 8264
40.00 DIS registered
Aug 28, 2026




Access Genorma App Everywhere

Get fast and easy access to top European and International standards (EN, ISO, IEC) via your mobile phone, tablet or the web.

Google Play App Store Web Version