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Norm
ÖNORM EN ISO 4629
Issue date: 1998 08 01
Binders for paints and varnishes - Determination of hydroxyl value - Titrimetric method (ISO 4629:1996)
This International Standard specifies a titrimetric method for determining the free hydroxyl groups in binders and binder solutions for paints and varnishes. The hydroxyl...
Withdrawn: 2016 10 15
Publisher:
Austrian Standards International
Format:
Digital | 7 Pages
Language:
German
| English
| Download GER/ENG
Currently valid:
Optionally co-design standards:
ICS
This International Standard specifies a titrimetric method for determining the free hydroxyl groups in binders and binder solutions for paints and varnishes. The hydroxyl groups may be present as polyhydric alcohols, partial esters, polyester end groups or hydroxylated fatty acids. This method is not applicable to resins containing both hydroxyl groups and epoxy groups, because the latter
will also be included in the result. Also the method is not applicable to cellulose nitrate or to phenolic resins.
NOTES: If, in the case of binder solutions, the hydroxyl value of
the binder only is to be determined, the possibility that other constituents of the binder solution may contain hydroxyl
groups will have to be taken into account.
A method for the determination of the hydroxyl value of epoxy resins is described in IS0 7142:1984, Binders for paints and varnishes - Epoxy resins - General methods of test.
ÖNORM EN ISO 4629-1
2016 10 15
Binders for paints and varnishes - Determination of hydroxyl value - Part 1: Titrimetric method with...
Norm
ÖNORM EN ISO 4629
1998 08 01
Binders for paints and varnishes - Determination of hydroxyl value - Titrimetric method (ISO 4629:19...
Norm
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