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    ASTM D704 - 99(2012)

    Standard Specification for Melamine-Formaldehyde Molding Compounds

    Active Standard ASTM D704 | Developed by Subcommittee: D20.16

    Book of Standards Volume: 08.01

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    Abstract

    This specification covers compression molding, thermosetting, melamine-formaldehyde molding compounds, resin binder, with or without other resins, intimately combined with fillers, pigments, and any chemical agents needed. The molding compounds shall conform to the requirements specified. Tests shall be performed to determine the properties of the material in accordance with the following test methods: bulk factor; specific gravity; water absorption; impact resistance; flexural strength; deflection temperature; dielectric strength; permittivity and dissipation factor; arc resistance; shrinkage; and comparative tracking index.

    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 This specification covers compression molding, thermosetting, melamine-formaldehyde molding compounds as further defined in 4.1, resin binder, with or without other resins, intimately combined with fillers, pigments, and any chemical agents needed.

    1.2 The values stated in SI units are to be regarded as the standard.

    Note 1—The properties included in this specification are those required to identify the types of molding compounds covered. There may be other requirements necessary to identify particular characteristics. These will be added to the specification as their inclusion becomes generally desirable and the necessary test data and methods become available. Transfer or injection molding will usually result in different physical and electrical characteristics than compression molding.
    Note 2—ISO 2122-1977(E) is similar but not equivalent to this specification. Product classification and characterization are not equivalent.


    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

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

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

    D570 Test Method for Water Absorption of Plastics

    D618 Practice for Conditioning Plastics for Testing

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

    D731 Test Method for Molding Index of Thermosetting Molding Powder

    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

    D883 Terminology Relating to Plastics

    D1895 Test Methods for Apparent Density, Bulk Factor, and Pourability of Plastic Materials

    D1896 Practice for Transfer Molding Test Specimens of Thermosetting Compounds

    D3638 Test Method for Comparative Tracking Index of Electrical Insulating Materials

    D3795 Test Method for Thermal Flow, Cure, and Behavior Properties of Pourable Thermosetting Materials by Torque Rheometer

    D3892 Practice for Packaging/Packing of Plastics

    D5224 Practice for Compression Molding Test Specimens of Thermosetting Molding Compounds

    D6289 Test Method for Measuring Shrinkage from Mold Dimensions of Molded Thermosetting Plastics

    ISO Standard

    ISO 2122-1977(E) Plastics--Aminoplastic Molding Materials--Specification Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.

    ICS Code

    ICS Number Code 83.140.99 (Other rubber and plastic products)

    UNSPSC Code

    UNSPSC Code 13111029(Melamine formaldehyde)

    Referencing This Standard
    Link Here
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    DOI: 10.1520/D0704-99R12

    Citation Format

    ASTM D704-99(2012), Standard Specification for Melamine-Formaldehyde Molding Compounds, ASTM International, West Conshohocken, PA, 2012, www.astm.org

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