ASTM D1708 - 18

    Standard Test Method for Tensile Properties of Plastics by Use of Microtensile Specimens

    Active Standard ASTM D1708 | Developed by Subcommittee: D20.10

    Book of Standards Volume: 08.01


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    Significance and Use

    4.1 This test method provides data for quality control and acceptance or rejection under specifications.

    4.2 Before proceeding with this test method, reference the ASTM specification of the material being tested. Any test specimen preparation, conditioning, dimensions, or testing parameters, or combination thereof, covered in the materials specification takes precedence over those mentioned in this test method. If there are no material specifications, then the default conditions herein apply. Table 1 of Classification System D4000 lists the ASTM materials standards that currently exist.

    1. Scope

    1.1 This test method covers certain material specifications for which a history of data has been obtained using the standard microtensile specimen. In general, this test method is superseded for general use by either Test Method D882 or Test Method D638. The very small Type V specimen in Test Method D638 is the recommended specimen when limited amounts of material are available.

    1.2 This test method covers the determination of the comparative tensile strength and elongation properties of plastics in the form of standard microtensile test specimens when tested under defined conditions of pretreatment, temperature, humidity, and testing machine speed. This method is applicable when using specimens of any thickness up to 3.2 mm (1/8 in.), including thin films.

    1.3 This test method cannot be used for the determination of modulus of elasticity. For the determination of modulus, see Test Method D638 or Test Methods D882.

    1.4 Data obtained by this test method are relevant and appropriate for use in engineering design.

    Note 1: Tensile properties provide useful data for plastics engineering design purposes. However, because of the high degree of sensitivity exhibited by many plastics to rate of straining and environmental conditions, data obtained by this test method cannot be considered valid for applications involving load-time scales or environments widely different from those of this test method. In cases of such dissimilarity, no reliable estimation of the limit of usefulness can be made for most plastics. This sensitivity to rate of straining and environment necessitates testing over a broad load-time scale (including impact and creep) and range of environmental conditions if tensile properties are to suffice for engineering design purposes.

    1.5 The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

    1.6 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.

    Note 2: There is no known ISO equivalent to this standard.

    1.7 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

    D618 Practice for Conditioning Plastics for Testing

    D638 Test Method for Tensile Properties of Plastics

    D882 Test Method for Tensile Properties of Thin Plastic Sheeting

    D883 Terminology Relating to Plastics

    D4000 Classification System for Specifying Plastic Materials

    D5947 Test Methods for Physical Dimensions of Solid Plastics Specimens

    D6988 Guide for Determination of Thickness of Plastic Film Test Specimens

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

    E2935 Practice for Conducting Equivalence Testing in Laboratory Applications


    ICS Code

    ICS Number Code 83.080.01 (Plastics in general)

    UNSPSC Code

    UNSPSC Code 13100000(Rubber and elastomers)


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

    DOI: 10.1520/D1708-18

    Citation Format

    ASTM D1708-18, Standard Test Method for Tensile Properties of Plastics by Use of Microtensile Specimens, ASTM International, West Conshohocken, PA, 2018, www.astm.org

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