ASTM D8161 - 17

    Standard Test Method for Impact Resistance of Thermoplastic Pavement Marking Materials over a Highway Substrate by Means of a Striker Impacted by a Falling Weight

    Active Standard ASTM D8161 | Developed by Subcommittee: D01.44

    Book of Standards Volume: 06.02


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    Significance and Use

    5.1 The significance of this test is to determine the thermoplastic pavement marking material’s resistance to impact over a simulated pavement substrate, under laboratory conditions, and is expressed as pass/fail or numerically. The test result can be used as a quality test or to differentiate marking materials.

    5.2 Anyone attempting to perform this test should initially review Test Methods D5420 and D2794, specifically the equipment setup.

    5.3 Sample preparation and equipment set-up should be followed precisely to minimize variability in the test result.

    1. Scope

    1.1 This test method covers the sample preparation over a road-type substrate and test methodology of thermoplastic pavement marking materials similar to the “Gardner Impact” method as listed in Test Method D5420.

    1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

    1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.4 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

    D883 Terminology Relating to Plastics

    D2794 Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)

    D4796 Test Method for Bond Strength of Thermoplastic Pavement Marking Materials

    D5420 Test Method for Impact Resistance of Flat, Rigid Plastic Specimen by Means of a Striker Impacted by a Falling Weight (Gardner Impact)

    D5628 Test Method for Impact Resistance of Flat, Rigid Plastic Specimens by Means of a Falling Dart (Tup or Falling Mass)

    D7307 Practice for Sampling of Thermoplastic Traffic Marking Materials

    D7308 Practice for Sample Preparation of Thermoplastic Pavement Marking Materials

    E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods

    E284 Terminology of Appearance

    E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method


    ICS Code

    ICS Number Code 93.080.20 (Road construction materials)

    UNSPSC Code

    UNSPSC Code 13101723(Thermoplastic)


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

    DOI: 10.1520/D8161-17

    Citation Format

    ASTM D8161-17, Standard Test Method for Impact Resistance of Thermoplastic Pavement Marking Materials over a Highway Substrate by Means of a Striker Impacted by a Falling Weight, ASTM International, West Conshohocken, PA, 2017, www.astm.org

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