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Norm
ÖNORM EN ISO 14896
Issue date: 2009 06 15
Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2009)
This lnternational Standard specifies two methods for the measurement of the isocyanate content of aromatic
isocyanates used as polyurethane raw materials. Method A is p...
Valid
Publisher:
Austrian Standards International
Format:
Digital | 14 Pages
Language:
German
| English
| Download GER/ENG
Optionally co-design standards:
ICS
This lnternational Standard 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, methylenebis-(
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.
ÖNORM EN ISO 14896
2009 06 15
Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2009)
Norm
↖
ÖNORM EN ISO 14896
2002 04 01
Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2000)
Norm
ÖNORM EN ISO 9369
1997 07 01
Plastics - Basic materials for polyurethanes - Pure isocyanates - Analysis of isocyanate groups (ISO...
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