ASTM D1039 - 94(2010)

    Standard Test Methods for Glass-Bonded Mica Used as Electrical Insulation

    Active Standard ASTM D1039 | Developed by Subcommittee: D09.19

    Book of Standards Volume: 10.01


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    ASTM D1039

    Significance and Use

    This characteristic is useful for specification purposes and has utility as a quality control parameter.

    1. Scope

    1.1 These test methods cover the evaluation of the characteristics of glass-bonded, natural, or synthetic mica materials intended for use as electrical insulation.

    1.2 Glass bonded mica materials are commercially available in both injection molded and compression molded types. These test methods are applicable to both types except for tensile strength methods. (See Section 41.)


    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

    C177 Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus

    C674 Test Methods for Flexural Properties of Ceramic Whiteware Materials

    D116 Test Methods for Vitrified Ceramic Materials for Electrical Applications

    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

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

    D257 Test Methods for DC Resistance or Conductance of Insulating Materials

    D374 Test Methods for Thickness of Solid Electrical Insulation

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

    D618 Practice for Conditioning Plastics for Testing

    D638 Test Method for Tensile Properties of Plastics

    D648 Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position

    D651 Test Method for Test for Tensile Strength of Molded Electrical Insulating Materials

    D695 Test Method for Compressive Properties of Rigid Plastics

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

    D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials

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

    D1711 Terminology Relating to Electrical Insulation

    D2149 Test Method for Permittivity (Dielectric Constant) And Dissipation Factor Of Solid Dielectrics At Frequencies To 10 MHz And Temperatures To 500C

    D6054 Practice for Conditioning Electrical Insulating Materials for Testing

    E228 Test Method for Linear Thermal Expansion of Solid Materials With a Push-Rod Dilatometer

    E289 Test Method for Linear Thermal Expansion of Rigid Solids with Interferometry

    E1225 Test Method for Thermal Conductivity of Solids by Means of the Guarded-Comparative-Longitudinal Heat Flow Technique


    ICS Code

    ICS Number Code 29.035.50 (Mica based insulating materials)

    UNSPSC Code

    UNSPSC Code 11101501(Mica)


    DOI: 10.1520/D1039-94R10

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