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Norm

ÖNORM EN ISO 4629-3

Issue date: 2020 05 01

Binders for paints and varnishes - Determination of hydroxyl value - Part 3: Rapid test (ISO 4629-3:2018)

This document specifies a titrimetric method for determining the hydroxyl groups in resins and binders for paints and varnishes. This method is primarily suitable for ne...
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Valid
Publisher:
Austrian Standards International
Format:
Digital | 10 Pages
Language:
German | English | Download GER/ENG
Optionally co-design standards:
Committee 050: Paints and varnishes
ICS
87.040 87.060.20
Topics
Chemistry, paper & textiles, Paints and varnishes. Inks. Printing inks, Binders Chemistry, paper & textiles, Paints and varnishes. Inks. Printing inks, Paints and varnishes
This document specifies a titrimetric method for determining the hydroxyl groups in resins and binders for paints and varnishes. This method is primarily suitable for neutral media. Acidic products provide higher values; neutral products provide, through neutralization of the acidic carbamates, lower values. For these products, preliminary tests are performed to ensure the applicability of the method.