Foreword

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This document was prepared by Technical Committee ISO/TC 256, Pigments, dyestuffs and extenders, in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 298, Pigments and extenders, in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).

This second edition cancels and replaces the first edition (ISO 3262‑6:1998), which has been technically revised.

The main changes are as follows:

— the first part of the title has been changed to “Extenders”;
— the values for CaCO₃ content and loss on ignition have been changed and the range of pH value of aqueous suspension has been expanded in Table 1;
— the test method for lightness has been specified in Table 2;
— a test method, furnace method, for the determination of matter insoluble in hydrochloric acid has been added in Clause 6;
— the normative references have been updated and the text has been editorially revised.

A list of all parts in the ISO 3262 series can be found on the ISO website.

Any feedback or questions on this document should be directed to the user’s national standards body. A complete listing of these bodies can be found at www.iso.org/members.html.

BS EN ISO 3262-6:2022

Extenders for paints. Specifications and methods of test - Precipitated calcium carbonate

Current

Published:

31 Jan 2023

1 Scope