Standard

NS-EN ISO 14896:2009

Jun 2009 Published

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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.

Document information

Standard from SN
Published: 1 June 2009
Edition: 1
Version: 1
Document type: NAT
ISBN:

ICS 83.080.10
National Committee SN/K 609

Product Relations

Replaces: NS-EN ISO 14896:2001
Refers: ISO 14898:1999
Refers: ISO 6353-3:1987
Refers: ISO 3696:1987
Refers: ISO 4787:1984
Refers: ISO 6353-2:1983
Refers: ISO 6353-1:1982
Adopted from: EN ISO 14896:2009 , 0

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NS-EN ISO 14896:2001
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NS-EN ISO 14896:2009

NS-EN ISO 14896:2009

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