ASTM D709-01

    Standard Specification for Laminated Thermosetting Materials

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    1. Scope

    1.1 This specification covers laminated thermosetting materials consisting of two or more plies or layers of reinforcing material bonded by a thermosetting synthetic resin. Examples of such reinforcement are cellulose paper, cotton fabric, glass fabric, and synthetic fiber fabrics. These materials are available in the form of sheets, rolled and molded tubes, and molded rods.

    1.2 The values stated in inch-pound units are to be regarded as the standard.

    Note 1—This specification resembles IEC 60893-3 in title only. The content is significantly different.

    1.3 The following safety hazards caveat pertains only to the test methods described in this specification. 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.

    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

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

    D257 Test Methods for DC Resistance or Conductance of Insulating Materials

    D348 Test Methods for Rigid Tubes Used for Electrical Insulation

    D349 Test Methods for Laminated Round Rods Used for Electrical Insulation

    D495 Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation

    D621 Test Methods for Deformation of Plastics Under Load

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

    D883 Terminology Relating to Plastics

    D1180 Method of Test for Warpage of Sheet Plastics

    D1711 Terminology Relating to Electrical Insulation

    D2303 Test Methods for Liquid-Contaminant, Inclined-Plane Tracking and Erosion of Insulating Materials

    D2304 Test Method for Thermal Endurance of Rigid Electrical Insulating Materials

    D3636 Practice for Sampling and Judging Quality of Solid Electrical Insulating Materials

    D6054 Practice for Conditioning Electrical Insulating Materials for Testing

    IEEE Standards

    1 General Principles for Temperature Limits in the Rating of Electric Equipment

    101 Guide for the Statistical Analysis of Thermal Life Test Data


    99 Guide for the Preparation of Test Procedures for the Thermal Evaluation of Insulation Systems for Electric Equipment

    Military Specifications

    MIL-I-24768 Insulation, Plastics, Laminated, Thermosetting, General Specifications for

    IEC Standard

    Publication 60893-3 Specification for Industrial Laminated Sheets Based on Thermosetting Resins for Electrical Purposes Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036,

    ICS Code

    ICS Number Code 83.140.20 (Laminated sheets)

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

    DOI: 10.1520/D0709-01

    Citation Format

    ASTM D709-01, Standard Specification for Laminated Thermosetting Materials, ASTM International, West Conshohocken, PA, 2001,

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