BH GSO ISO 4629-3:2023

ISO 4629-3:2018
Bahraini Standard   Current Edition · Approved on 05 April 2023

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

BH GSO ISO 4629-3:2023 Files

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BH GSO ISO 4629-3:2023 Scope

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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