ASTM WK44188

    New Test Method for Impact Resistance of Road Marking Thermoplastic over a Highway Substrate by Means of a Striker Impacted by a Falling Weight (Gardner Impact)

    (What is a Work Item?)

    Developed by Subcommittee: D01.44 | Committee D01 | Contact Staff Manager


    1. Scope

    The scope of this work item is to standardize the sample preparation and testing of road marking thermoplastic, applied to concrete, under the Gardner Impact method. Also involved is the development of failure evaluation methodology.

    The road marking thermoplastic industry uses Gardner Impact as a QA /QC method but no detailed standardization of methodology or failure evaluation exists. Manufacturers of road marking thermoplastic and Department of Transportation end users will be using this method to qualify these types of products.


    Road Marking; Road Marking Thermoplastic; Impact; Gardner; Cracking; Chipping; Failure:

    The title and scope are in draft form and are under development within this ASTM Committee.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    David Entrekin


    D01.44 (15-03)

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