Reference number
ISO 7231:1984
© ISO 2024
ISO 7231:1984
Polymeric materials, cellular flexible — Method of assessment of air flow value at constant pressure-drop
Edition 1
1984-12
Withdrawn
Withdrawn (Edition 1, 1984)

Abstract

The air flow value may be used to give an indication of the effects of formulation and production variables on the cellular structure. Describes the method with an apparatus either for negative or for positive pressure. Two figures show the test arrangement.

General information

  • Status
     : Withdrawn
    Publication date
     : 1984-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 1
    Number of pages
     : 4
  • Technical Committee :
    ISO/TC 45/SC 4
    ICS :
    83.100 
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