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NF EN ISO 14896 : 2009

Current

Current

The latest, up-to-date edition.

PLASTICS - POLYURETHANE RAW MATERIALS - DETERMINATION OF ISOCYANATE CONTENT

Published date

12-01-2013

Avant-propos
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Principe
   4.1 Méthode A
   4.2 Méthode B
5 Applicabilité
6 Interférences
7 Échantillonnage
8 Conditions d'essai
9 Réactifs
10 Appareillage
11 Méthode A - Toluène/dibutylamine avec HCI en
   solution aqueuse
   11.1 Mode opératoire
   11.2 Expression des résultats
   11.3 Fidélité et biais
   11.4 Rapport d'essai
12 Méthode B - Toluène/TCB/DBA avec HCI en solution
   méthanolique
   12.1 Mode opératoire
   12.2 Expression des résultats
   12.3 Fidélité et biais
   12.4 Rapport d'essai

Gives two methods for measuring the isocyanate content of aromatic isocyanates used as polyurethane raw materials. Method A applies to refined toluene diisocyanate (TDI), methylene-bis-(4-phenylisocyanate) (MDI) and their prepolymers. Method B applies to refined, crude or modified isocyanates derived from toluene diisocyanate, methylene-bis-(4-phenylisocyanate) and polymethylene polyphenylisocyanate.

DevelopmentNote
Indice de classement: T52-130. Supersedes NF EN ISO 9369. (03/2002) PR NF EN ISO 14896 November 2008. (11/2008)
DocumentType
Standard
PublisherName
Association Francaise de Normalisation
Status
Current

Standards Relationship
EN ISO 14896:2009 Identical
DIN EN ISO 14896:2009-07 Identical
ISO 14896:2009 Identical
UNI EN ISO 14896 : 2009 Identical
BS EN ISO 14896:2009 Identical
UNE-EN ISO 14896:2009 Identical
SN EN ISO 14896 : 2010 Identical
I.S. EN ISO 14896:2009 Identical

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