Reference number
ISO 9944:1990
© ISO 2025
International Standard
ISO 9944:1990
Plastics — Phenolic resins — Determination of electrical conductivity of resin extracts
Edition 1
1990-12
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Published (Edition 1, 1990)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 9944:1990

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Format
CHF 43
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Abstract

Important for applications in which such resins are used as impregnating materials. The principle is based on addition of an acetone/water mixture to a solution of the resin. The precipitate thus produced is allowed to settle, and the conductance of the suspension remaining above the resin is measured. The conductivity, expressed in microsiemens per centimetre, is then calculated from the measured conductance.

General information

  • Status
     : Published
    Publication date
     : 1990-12
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee :
    ISO/TC 61/SC 12
    ICS :
    83.080.10 
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