SS-EN-ISO-4629-1 Binders for paints and varnishes - Determination of hydroxyl value - Part 1: Titrimetric method without using a catalyst (ISO 4629-1:2016)

SS-EN-ISO-4629-1 - 2016 EDITION - CURRENT


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ISO 4629-1:2016 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. NOTE 1 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 has to be taken into account. NOTE 2 A method for the determination of the hydroxyl value of epoxy resins is specified in ISO 7142[1].

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87.060.20 (Binders)

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Designation Name

SS-EN ISO 4629-1:2016

Revision Level

2016 EDITION

Status

Current

Publication Date

Oct. 28, 2016

Language(s)

English

Page Count

20

International Equivalent

EN ISO 4629-1:2016(IDT); ISO 4629-1:2016(IDT)