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EVS-EN ISO 4629-3:2020

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

General information
Valid from 15.09.2020
Base Documents
ISO 4629-3:2018; EN ISO 4629-3:2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
15.09.2020
Main
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.
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