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ISO 5940-1:2019

Carbonaceous materials for the production of aluminium — Pitch for electrodes — Part 1: Determination of softening point by the ring-and-ball method ISO 5940-1:2019

Publication date:   Oct 3, 2019

General information

60.60 Standard published   Oct 3, 2019

ISO

ISO/TC 226 Materials for the production of primary aluminium

International Standard

71.100.10   Materials for aluminium production

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Scope

This document specifies the ring-and-ball method, a method of using the ring-and-ball apparatus for the determination of the softening point (softening temperature) of pitch used in the production of aluminium.
The method is applicable to pitches having softening points equal to or greater than 30 °C.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 5940:1981

NOW

PUBLISHED
ISO 5940-1:2019
60.60 Standard published
Oct 3, 2019