Reference number
ISO 6257:1980
© ISO 2025
ISO 6257:1980
Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling
Edition 1
1980-11
Withdrawn
Withdrawn (Edition 1, 1980)

Abstract

Specifies methods for sampling and preparing samples prior to testing of binder pitch used in the manufacture of electrodes for the electrolytic production of aluminium. These methods are applicable to grades of pitch in liquid or solid form, the latter having softening points higher than 30 °C in bulk or in a number of containers making up one batch at sites of manufacture, storage or delivery.

General information

  • Status
     : Withdrawn
    Publication date
     : 1980-11
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 15
  • Technical Committee :
    ISO/TC 226
    ICS :
    71.100.10 
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