Status : Published (Under review)

This standard was last reviewed and confirmed in 2019. Therefore this version remains current.
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Abstract

ISO 14896:2009 specifies two methods for the measurement of the isocyanate content of aromatic isocyanates used as polyurethane raw materials. Method A is primarily applicable to refined toluene diisocyanate (TDI), methylene-bis-(4-phenylisocyanate) (MDI) and their prepolymers. Method B is applicable to refined, crude or modified isocyanates derived from toluene diisocyanate, methylene-bis-(4-phenylisocyanate) and polymethylene polyphenylisocyanate. It can also be used for isomer mixtures of toluene diisocyanate, methylene-bis-(4-phenylisocyanate) and polymethylene polyphenylisocyanate. Other aromatic isocyanates may be analysed by this method if precautions are taken to verify suitability. It is not applicable to blocked isocyanates.

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General information

  • Status
     : Published
    Publication date
     : 2009-02
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 3
    Number of pages
     : 9
  • Technical Committee :
    ISO/TC 61/SC 12
    ICS :
    83.080.10 
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