ISO-14896 › Plastics - Polyurethane raw materials - Determination of isocyanate content
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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.
To find similar documents by classification:
83.080.10 (Thermosetting materials Including ebonite Silicones, see 71.100.55)
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Document Number
ISO 14896:2009
Revision Level
3RD EDITION
Status
Current
Publication Date
Feb. 15, 2009
Committee Number
ISO/TC 61/SC 12