ASTM E2630 - 08(2013)

    Standard Test Method for Luminance Ratio of a Fluorescent Specimen using a Narrow Band Source

    Active Standard ASTM E2630 | Developed by Subcommittee: E12.05

    Book of Standards Volume: 06.01


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    Significance and Use

    5.1 The test method is suitable for the development, specification and quality control testing of fluorescent and non-fluorescent coatings that are intended to be inspected for defects under Specification E2501 illumination.

    1. Scope

    1.1 This test method covers the instrumental measurement of the luminance ratio of a fluorescent coating or sheet sample when illuminated by a narrow band source.

    1.2 This test method is generally applicable to any coating or sheeting material having combined fluorescent and reflective properties, where the fluorescence is activated by 405 nm light.

    1.3 This test method is intended as a companion to Specification E2501 to support the development and specification of industrial coatings that are used in a system for detection of coating defects when inspected with the Specification E2501 light source. This test method establishes a quantitative measure of the optical property of a coating that correlates to its ability to enhance defect contrast under the specified inspection light source.

    1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

    1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    SSPC

    SSPC-SP10/NACENo.2 Near-White Blast Cleaning Available from Society for Protective Coatings (SSPC), 40 24th St., 6th Floor, Pittsburgh, PA 15222-4656, http://www.sspc.org.

    Other Documents

    CIEPublication69:198 Methods of characterizing illuminance meters and luminance meters: Performance, characteristics and specifications

    ISO‚ÄČ10527:2007(E)/ CIE Standard Colorimetric Observers Available from U.S. National Committee of the CIE (International Commission on Illumination), C/o Thomas M. Lemons, TLA-Lighting Consultants, Inc., 7 Pond St., Salem, MA 01970, http://www.cie-usnc.org.

    ASTM Standards

    D2805 Test Method for Hiding Power of Paints by Reflectometry

    D4356 Practice for Establishing Consistent Test Method Tolerances

    D5162 Practice for Discontinuity (Holiday) Testing of Nonconductive Protective Coating on Metallic Substrates

    E179 Guide for Selection of Geometric Conditions for Measurement of Reflection and Transmission Properties of Materials

    E284 Terminology of Appearance

    E1164 Practice for Obtaining Spectrometric Data for Object-Color Evaluation

    E1488 Guide for Statistical Procedures to Use in Developing and Applying Test Methods

    E2501 Specification for Light Source Products for Inspection of Fluorescent Coatings


    ICS Code

    ICS Number Code 93.080.40 (Street lighting and related equipment)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/E2630

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