ASTM D619 - 14

    Standard Test Methods for Vulcanized Fibre Used for Electrical Insulation

    Active Standard ASTM D619 | Developed by Subcommittee: D09.07

    Book of Standards Volume: 10.01

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    These test methods details the standard procedures for testing certain properties of vulcanized fibre sheets, tubes, and rods of such grades as can be used for electrical insulation. Arc resistance, ash content, bond strength (ply adhesion), bursting strength, compressive strength, conditioning, density, dielectric strength, dimensional measurements, flammability, flexural strength, silica content, tearing strength, tensile strength, thickness (for sheets), resistance to impact, Rockwell hardness, volatile matter content, water absorption, and zinc chloride content are among the properties that these test methods shall be able to examine.

    This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

    1. Scope

    1.1 These test methods cover the procedures for testing vulcanized fibre sheets, tubes, and rods of such grades as can be used for electrical insulation.

    1.2 The procedures appear in the following sections:



       Arc resistance




       Bond strength (ply adhesion)


       Bursting strength


       Compressive strength

    12, 25, 30




    17, 26, 32

       Dielectric strength

    18, 27

       Dimensional measurements

    28, 33



       Flexural strength

    13, 31



       Tearing strength


       Tensile strength

    10, 24, 29

       Thickness (sheets)


       Resistance to impact


       Rockwell hardness


       Volatile matter


       Water absorption


       Zinc chloride


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

    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. Specific hazard statements are given in 7.3, 22.1, 22.2.

    Note 1: The test methods described herein are similar technically to those described in IEC Publication 60667-2. Not all of the tests in this document are included in IEC 60667-2, and the procedures in the two publications are not completely identical; but it is expected that comparable results will be obtained from most of the procedures. Conduct comparative tests if necessary before directly comparing results of tests using the different procedures.

    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

    D202 Test Methods for Sampling and Testing Untreated Paper Used for Electrical Insulation

    D229 Test Methods for Rigid Sheet and Plate Materials Used for Electrical Insulation

    D256 Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics

    D348 Test Methods for Rigid Tubes Used for Electrical Insulation

    D349 Test Methods for Laminated Round Rods Used for Electrical Insulation

    D374 Test Methods for Thickness of Solid Electrical Insulation

    D495 Test Method for High-Voltage, Low-Current, Dry Arc Resistance 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

    D689 Test Method for Internal Tearing Resistance of Paper

    D695 Test Method for Compressive Properties of Rigid Plastics

    D710 Specification for Vulcanized Fibre Sheets, Rods, and Tubes Used for Electrical Insulation

    D785 Test Method for Rockwell Hardness of Plastics and Electrical Insulating Materials

    D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement

    D828 Test Method for Tensile Properties of Paper and Paperboard Using Constant-Rate-of-Elongation Apparatus

    D952 Test Method for Bond or Cohesive Strength of Sheet Plastics and Electrical Insulating Materials

    D1711 Terminology Relating to Electrical Insulation

    D6054 Practice for Conditioning Electrical Insulating Materials for Testing

    IEC Standard

    IEC 60667-2 Specification for Vulcanized Fibre for Electrical Purposes-Part 2: Methods of Test Available from American National Standards Institute, 11 W. 42nd St., 13th Floor, New York, NY 10036.

    ICS Code

    ICS Number Code 29.035.10 (Paper and board insulating materials)

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

    DOI: 10.1520/D0619-14

    Citation Format

    ASTM D619-14, Standard Test Methods for Vulcanized Fibre Used for Electrical Insulation, ASTM International, West Conshohocken, PA, 2014,

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