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Two methods for the measurement are specified: Method A (Ball displacement method): Determination of the viscosity of a pitch at a given temperature determined using a sample of pitch having similar characteristics by measurement of the time a ball, drawn by a defined force, requires to traverse a fixed distance within a measuring tube filled with the sample of molten pitch. Method B (Rotation of a cylindrical body method): Measurement of the shear stress of a substance at a selected rotational speed at a given temperature by means of a system composed of a cylindrical-conical body revolving in the substance contained in a cylindrical vessel.


Общая информация 

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 1985-06
  • Версия
     : 1
  • Технический комитет
     : ISO/TC 226 Materials for the production of primary aluminium
  • ICS
     :
    71.100.10 Materials for aluminium production

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  3. Каталог стандартов
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  5. ISO/TC 226
  6. ISO 8003:1985