Reference number
ISO 6257:1980
ISO 6257:1980
Carbonaceous materials used in the production of aluminium — Pitch for electrodes — Sampling
Edition 1
1980-11
Retirada
ISO 6257:1980
12537
Retirada (Edición 1, 1980)

Resumen

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.

Informaciones generales

  •  : Retirada
     : 1980-11
    : Retirada de la Norma Internacional [95.99]
  •  : 1
     : 15
  • ISO/TC 226
    71.100.10 
  • RSS actualizaciones

¿Tiene alguna duda?

Consulte nuestras Ayuda y asistencia