ASTM D3170 / D3170M - 14

    Standard Test Method for Chipping Resistance of Coatings

    Active Standard ASTM D3170 / D3170M | Developed by Subcommittee: D01.55

    Book of Standards Volume: 06.02


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    Significance and Use

    4.1 Owners consider chipping of coatings, particularly on the leading faces and edges of automobile surfaces, unacceptable. In formulating a coating or coating system to meet service requirements, the resistance to chipping damage by flying objects such as gravel is one of the properties of importance since it can vary considerably as other properties are adjusted. Since resistance to chipping decreases at lower temperatures partly as the result of decreased flexibility, the test may be more directly related to service conditions by performing it at a low temperature. This test method is designed to produce a controlled amount of impact by the media on the coated panel in order to enhance reproducibility.

    1. Scope

    1.1 This test method covers the determination of the resistance of coatings to chipping damage by stones or other flying objects.

    Note 1: This test method is similar to SAE J-400.

    1.2 All dimensions are nominal unless otherwise specified.

    1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    1.4 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.


    ICS Code

    ICS Number Code 87.040 (Paints and varnishes)

    UNSPSC Code

    UNSPSC Code 31211504(Coating paints)


    Referencing This Standard

    DOI: 10.1520/D3170_D3170M-14

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D3170 / D3170M-14, Standard Test Method for Chipping Resistance of Coatings, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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