ASTM C648 - 20

    Standard Test Method for Breaking Strength of Ceramic Tile

    Active Standard ASTM C648 | Developed by Subcommittee: C21.06

    Book of Standards Volume: 15.02


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    Significance and Use

    5.1 The test method provides means for establishing whether or not a lot of ceramic tile meets the strength requirements which may appear in tile specifications. Tile strength is the force in pounds-force (or newtons), as read from the pressure gage, necessary to cause the tile to break.

    1. Scope

    1.1 This test method covers the determination of the breaking strength of ceramic tile, ceramic mosaic tile, quarry tile, porcelain tile and paver tile, having a facial area of at least 1 in.2 (6.4 cm2). Tiles may be glazed or unglazed.

    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

    C242 Terminology of Ceramic Whitewares and Related Products

    E178 Practice for Dealing With Outlying Observations


    ICS Code

    ICS Number Code 91.100.25 (Terracotta building products)

    UNSPSC Code

    UNSPSC Code 30131704(Ceramic tiles or flagstones)


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

    DOI: 10.1520/C0648-20

    Citation Format

    ASTM C648-20, Standard Test Method for Breaking Strength of Ceramic Tile, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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