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    ASTM D348-13

    Standard Test Methods for Rigid Tubes Used for Electrical Insulation (Withdrawn 2020)

    Withdrawn Standard: ASTM D348-13 | Developed by Subcommittee: D09.07


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    Withdrawn Rationale:

    These test methods cover the testing of rigid tubes used in electrical insulation.

    Formerly under the jurisdiction of Committee D09 on Electrical and Electronic Insulating Materials, these test methods were withdrawn in March 2020. This standard is being withdrawn without replacement because it is no longer being maintained.

    1. Scope

    1.1 These test methods cover the testing of rigid tubes used in electrical insulation. These tubes include many types made from fibrous sheets of basic materials, such as cellulose, glass, or nylon, in the form of paper, woven fabrics, or mats, bonded together by natural or synthetic resins or by adhesives. Such tubes include vulcanized fiber and thermosetting laminates, as well as tubes made from cast, molded, or extruded natural or synthetic resins, with or without fillers or reinforcing materials.

    1.2 Tubes tested by these test methods are most commonly circular in cross section; however, noncircular shapes are also in commercial use. To the extent that the individual methods are compatible with a particular noncircular shape, these test methods are applicable to these other shapes. For tests on noncircular tubes, appropriate comments shall be included in the test report, including details of orientation of test specimens with respect to the cross section of the tube.

    1.3 The procedures appear in the following sections:

    Procedure

    Sections

    ASTM Test Method
    Reference

     

    Compressive Strength (Axial and Diametral)

    12 to 17

      E4

    Conditioning.

    4

      ...

    Density

    20 to 24

      ...

    Dielectric Strength

    25 to 32

      D149

    Dimensional Measurements

    5

      D668

    Dissipation Factor and Permittivity

    33 to 35

      D150

    Tensile Strength

    6 to 11

      E4

    Water Absorption

    18 to 19

      D570


    1.4 The values stated in inch-pound units are to be regarded as the standard. SI units in parentheses are for information only.

    1.5 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. For a specific hazard statement, see 27.1.1.



    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

    D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies

    D150 Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

    D570 Test Method for Water Absorption of Plastics

    D668 Test Methods of Measuring Dimensions of Rigid Rods and Tubes Used for Electrical Insulation

    D1711 Terminology Relating to Electrical Insulation

    E4 Practices for Force Verification of Testing Machines


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

    DOI: 10.1520/D0348-13

    Citation Format

    ASTM D348-13, Standard Test Methods for Rigid Tubes Used for Electrical Insulation (Withdrawn 2020), ASTM International, West Conshohocken, PA, 2013, www.astm.org

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