Résumé

The method specified in ISO 25761:2008 measures the basic constituents in polyols that are soluble in glacial acetic acid and reactive with perchloric acid. Samples containing 0,3 % to 10 % of nitrogen have been evaluated by this method. The method is applicable to polyether polyols and polyether polyol blends that are used in polyurethane reactions. The results are measures of batch-to-batch uniformity and may be used to estimate reactivity in polyurethane reactions.


Informations générales 

  • État actuel
     : Annulée
    Date de publication
     : 2008-05
  • Edition
     : 1
  • Comité technique
     : ISO/TC 61/SC 12 Matériaux thermodurcissables
  • ICS
     :
    83.080.10 Matériaux thermodurcissables

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  3. Catalogue de normes
  4. ICS
  5. 83
  6. 83.080
  7. 83.080.10
  8. ISO 25761:2008