ASTM E179 - 17

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

    Active Standard ASTM E179 | Developed by Subcommittee: E12.03

    Book of Standards Volume: 06.01


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    1. Scope

    1.1 This guide is intended for use in selecting terminology, measurement scales, and instrumentation for describing or evaluating such appearance characteristics as glossiness, opacity, lightness, transparency, and haziness in terms of reflected or transmitted light. This guide does not consider the spectral variations responsible for color, but the geometric variables described herein can importantly affect instrumentally measured values of color. This guide is general in scope rather than specific as to instrument or material.

    1.2 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


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

    ASTM Standards

    C346 Test Method for 45-deg Specular Gloss of Ceramic Materials

    C347 Test Method for Reflectivity and Coefficient of Scatter of White Porcelain Enamels

    C523 Test Method for Light Reflectance of Acoustical Materials by the Integrating Sphere Reflectometer

    C584 Test Method for Specular Gloss of Glazed Ceramic Whitewares and Related Products

    D523 Test Method for Specular Gloss

    D1003 Test Method for Haze and Luminous Transmittance of Transparent Plastics

    D1455 Test Method for 60 Specular Gloss of Emulsion Floor Polish

    D1494 Test Method for Diffuse Light Transmission Factor of Reinforced Plastics Panels

    D1746 Test Method for Transparency of Plastic Sheeting

    D1834 Test Method for 20 Specular Gloss of Waxed Paper

    D4039 Test Method for Reflection Haze of High-Gloss Surfaces

    D4061 Test Method for Retroreflectance of Horizontal Coatings

    E97 Method of Test for Directional Reflectance Factor, 45-Deg 0-Deg, of Opaque Specimens by Broad-Band Filter Reflectometry

    E284 Terminology of Appearance

    E429 Test Method for Measurement and Calculation of Reflecting Characteristics of Metallic Surfaces Using Integrating Sphere Instruments

    E430 Test Methods for Measurement of Gloss of High-Gloss Surfaces by Abridged Goniophotometry

    E808 Practice for Describing Retroreflection

    E809 Practice for Measuring Photometric Characteristics of Retroreflectors

    E810 Test Method for Coefficient of Retroreflection of Retroreflective Sheeting Utilizing the Coplanar Geometry

    E811 Practice for Measuring Colorimetric Characteristics of Retroreflectors Under Nighttime Conditions

    E991 Practice for Color Measurement of Fluorescent Specimens Using the One-Monochromator Method

    E1164 Practice for Obtaining Spectrometric Data for Object-Color Evaluation

    E1331 Test Method for Reflectance Factor and Color by Spectrophotometry Using Hemispherical Geometry

    E1348 Test Method for Transmittance and Color by Spectrophotometry Using Hemispherical Geometry

    E1349 Test Method for Reflectance Factor and Color by Spectrophotometry Using Bidirectional (45:0 or 0:45) Geometry

    E1767 Practice for Specifying the Geometries of Observation and Measurement to Characterize the Appearance of Materials

    E2194 Test Method for Multiangle Color Measurement of Metal Flake Pigmented Materials

    E2539 Test Method for Multiangle Color Measurement of Interference Pigments

    F768 Test Method for Specular Reflectance and Transmittance Measurements of Optically Flat-Coated and Non-Coated Specimens

    CIE Publications

    CIE Publication No. 17 International Lighting Vocabulary

    CIE Publication No. 38 Radiometric and Photometric Characteristics of Materials and Their Measurement


    ICS Code

    ICS Number Code 17.180.20 (Colours and measurement of light)

    UNSPSC Code

    UNSPSC Code


    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/E0179-17

    Citation Format

    ASTM E179-17, Standard Guide for Selection of Geometric Conditions for Measurement of Reflection and Transmission Properties of Materials, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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