ISO 14896:2006 specifies two methods for the measurement of the isocyanate content of aromatic isoocyanates 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.
Status: WithdrawnPublication date: 2006-06
Edition: 2Number of pages: 9
Technical Committee: ISO/TC 61/SC 12 Thermosetting materials
- ICS :
- 83.080.10 Thermosetting materials
ISO 14896:2000/Cor 1:2005
ISO 14896:2006Stage: 95.99
Corrigenda / AmendmentsWithdrawn
ISO 14896:2006/Amd 1:2007
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