Standard

ISO 6964:1986

Withdrawn

Note: This standard has a draft: ISO/DIS 6964

Corrigendums and amendments are bought separately.

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Abstract

The determination is carried out by pyrolysis of a test portion at 550 °C in nitrogen followd by a calcination in a muffle furnace at 900 °C. The carbon black content is calculated from difference in mass before and after calcination. When so determined the carbon black content in polyethylen pipe material shall be 2,5 0,5 % (m/m).

Document information

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Expires:
  • Edition: 1
  • Version: 1
  • Document type: IS
  • ICS 23.040.20
  • ISO TC ISO/TC 138/SC 5

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