ASTM D5278 / D5278M - 09(2013)

    Standard Test Method for Elongation of Narrow Elastic Fabrics (Static-Load Testing)

    Active Standard ASTM D5278 / D5278M | Developed by Subcommittee: D13.59

    Book of Standards Volume: 07.02


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    Significance and Use

    5.1 This test method is considered satisfactory for acceptance testing of commercial shipments of narrow elastic fabrics because the test method is used in the trade for acceptance testing.

    5.1.1 In case of a dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the parties should conduct comparative tests to determine if there is a statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test specimens that are as homogeneous as possible and that are from a lot of material of the type in question. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using student's t-test for unpaired data and an acceptable probability level chosen by the two parties before testing is begun. If bias is found, either the cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results in the light of the known bias.

    5.2 This test method specifies the use of a static load apparatus. Users of this test method are cautioned that elongation test data obtained using this test method are not comparable to elongation test data obtained using either constant-rate-of-extension (CRE) or constant-rate-of-loading (CRL) type tensile testing machines.

    1. Scope

    1.1 This test method determines the elongation characteristics of narrow elastic fabrics made from natural or man-made elastomers, either alone or in combination with other textile fibers, when tested with a static load testing procedure before or after laundering.

    Note 1For determination of similar characteristics using the constant-rate-of-extension (CRE) type tensile testing machine, refer to Test Method D4964.
    Note 2For determination of similar characteristics using the constant-rate-of load (CRL) type tensile testing machine, refer to Test Method D1775.

    1.2 The use of this test method requires the selection of, or mutual agreement upon, the effective static load at which the test results will be determined.

    1.3 Laundering procedures used will be those specified in Test Method AATCC 135 for 3 washing and drying cycles.

    1.4 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.

    1.5 This standard does not purport to address all of the safety problems, 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.


    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

    D123 Terminology Relating to Textiles

    D1775 Test Method for Tension and Elongation of Wide Elastic Fabrics

    D1776 Practice for Conditioning and Testing Textiles

    D4848 Terminology Related to Force, Deformation and Related Properties of Textiles

    D4850 Terminology Relating to Fabrics and Fabric Test Methods

    D4964 Test Method for Tension and Elongation of Elastic Fabrics (Constant-Rate-of-Extension Type Tensile Testing Machine)

    AATCC Test Method

    135 Dimensional Changes in Automatic Home Laundering of Woven and Knit Fabrics Available from American Association of Textile Chemists and Colorists (AATCC), P.O. Box 12215, Research Triangle Park, NC 27709, http://www.aatcc.org.


    ICS Code

    ICS Number Code 59.080.30 (Textile fabrics)

    UNSPSC Code

    UNSPSC Code


    DOI: 10.1520/D5278_D5278M

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