ISO 5940-1:2019
International Standard
Current Edition
·
Approved on
03 October 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 Files
English
10 Pages
Current Edition
30.16 OMR
ISO 5940-1:2019 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.
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