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    I.S. EN ISO 3668:2020&LC:2020

    Current The latest, up-to-date edition.

    Paints and varnishes - Visual comparison of colour of paints (ISO 3668:2017)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  12-03-2020

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Illumination for colour matching
    6 Observer
    7 Test panels and reference standards
    8 Procedure for colour comparison
    9 Assessment of metamerism
    10 Test report
    Annex A (normative) Colour difference rating scheme
    Annex B (informative) Metameric matches
    Bibliography

    Abstract - (Show below) - (Hide below)

    This document specifies a method for the visual comparison of the colour of films of paints or related products against a standard (either a reference standard or a freshly prepared standard) using artificial light sources in a standard booth.

    General Product Information - (Show below) - (Hide below)

    Committee TC 35
    Document Type Standard
    Product Note The date of any NSAI previous adoption may not match the date of its original CEN/CENELEC document.<br> THIS STANDARD ALSO REFERS TO CIE 15.3, CIE 51.2
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes
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