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About This Item

 

Full Description

ISO 5940-1:2019 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.

 

Document History

  1. ISO 5940-1:2019

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

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  2. ISO 5940:1981


    Carbonaceous materials for the production of aluminium -- Pitch for electrodes -- Determination of softening point by the ring-and-ball method

    • Historical Version