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Norm

ÖNORM EN ISO 14896

Issue date: 2002 04 01

Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2000)

This International Standard specifies two methods for the measurement of the isocyanate content of aromatic isocyanates used as polyurethane raw materials. Method A is p...
Withdrawn: 2009 06 15
Publisher:
Austrian Standards International
Format:
Digital | 14 Pages
Language:
German | English
Optionally co-design standards:
This International 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, 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.
ÖNORM EN ISO 14896
2009 06 15
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ÖNORM EN ISO 14896
Issue date : 2009 06 15
Plastics - Polyurethane raw materials - Determination of isocyanate content (ISO 14896:2009)
Norm
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Issue date : 2000 08 31
Plastics — Polyurethane raw materials — Determination of isocyanate content