BH GSO ISO 4629-2:2022

ISO 4629-2:2016
Bahraini Standard   Current Edition · Approved on 28 April 2022

Binders for paints and varnishes — Determination of hydroxyl value — Part 2: Titrimetric method using a catalyst

BH GSO ISO 4629-2:2022 Files

English 6 Pages
Current Edition Reference Language
20.26 BHD

BH GSO ISO 4629-2:2022 Scope

ISO 4629-2:2016 specifies a titrimetric method for determining the hydroxyl value of resins, binders for paints and varnishes, primary alcohols, glycols and fats. Whether it can be applied for hydro carboxylic acids, phenolic hydroxyl groups, polyols such as trimethyl propane and substances containing aromatic groups have been activated for Friedel-Crafts acylation shall be decided on case-to-case basis.

Under the right conditions, the method is also applicable for determining the hydroxyl value of castor oil and its derivatives.

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