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ISO
ISO 4629-3:2018

ISO 4629-3:2018

Binders for paints and varnishes — Determination of hydroxyl value — Part 3: Rapid test

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General Information

Status : Active

Standard Type : Main

Document No : ISO 4629-3:2018

Document Year : 2018

Pages : 4

Edition : 1

Section Volume : Paints and varnishes (ISO/TC 35.)

ICS : Binders (87.060.20)

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.