Reference number
ISO 6964:1986
© ISO 2024
ISO 6964:1986
Polyolefin pipes and fittings — Determination of carbon black content by calcination and pyrolysis — Test method and basic specification
Edition 1
1986-12
Withdrawn
Withdrawn (Edition 1, 1986)

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).

General information

  • Status
     : Withdrawn
    Publication date
     : 1986-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 138/SC 5
    ICS :
    23.040.20 
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