preface
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This document has been prepared by the ISO/TC 256 Technical Committee on Pigments, Dyes and Fillers.

The first version of ISO 1247-2, together with ISO 1247-1, cancelled and replaced the technically revised ISO 1247-1974. It also incorporates the amendment to ISO 1247-1974 /Amd 1:1982.

ISO 1247-2-21st Aluminium Pigments for Paints – Part 2: Vacuum metallized aluminium pigments

The main changes from the previous edition are as follows:

– The title has changed;

– Adds mandatory Article 3, terms and definitions, and includes the definition of vacuum metallized aluminium pigments (VMP);

— The original clause 3 “Description” has been deleted and the contents are listed in the new Terms and Definitions Clause (3.1);

— Deletion of the original Article 4 “Classification”;

— The requirements and test methods of “leaf power supply” have been deleted;

– Article 5, now article 4, has been renamed “Requirements and test methods”;

— The original article 6 “Packaging” is deleted;

— The original article 7 “sampling” has been reduced to a reference to ISO 15528 and has been renumbered as Article 5;

— The normative references have been updated, and the texts have been edited and revised.

A list of all the parts in the ISO 1247 series can be found on the ISO website.

Any feedback or questions about this document should be directed to the user’s national standards body. A full list of these institutions can be found at https://www.iso.org/members.html.

1 range
This document specifies the requirements and corresponding test methods for vacuum aluminized pigments (VMPS) applicable to the paint and printing ink industries.

2 Normative references
The following files are referenced in the text in such a way that some or all of the content constitutes the requirements of this document. For dated references, citation-only versions apply. For undated references, the new version of the reference (including any revisions) applies.

ISO 1247-1:221, Aluminium pigments for paints – Part 1: Aluminium pigments in general

ISO 13320, particle size analysis – laser diffraction method

ISO 15528, Paints, varnishes and raw materials for paints and varnishes — Sampling

ISO 18451-1, pigments, dyes and fillers — terminology — Part 1: General terminology

ISO 18451-2, pigments, dyes and fillers — terminology — Part 2: Classification of coloring materials according to their colour and chemical aspects

ISO 1247-2-21st Aluminium Pigments for Paints – Part 2: Vacuum metallized aluminium pigments

3 Terms and Definitions
For the purposes of this document, the terms and definitions given in ISO 18451-1, ISO 18451-2 and the following articles apply.

3.1 Vacuum metallized aluminum pigment VMP

Pigments produced in the vacuum metallization process and subsequent dimensions of vacuum aluminum foil plating

Note 1 Vacuum metallization process is also known as physical vapor deposition (PVD) process.

Note 2: The pigment has non-floating characteristics and the surface can be left untreated or transformed into floating characteristics by technical processing.

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