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Die Norm ASTM D704-99(2020) 1.12.2020 Ansicht

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ASTM D704-99(2020)

Standard Specification for Melamine-Formaldehyde Molding Compounds

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NORM herausgegeben am 1.12.2020

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Informationen über die Norm:

Bezeichnung normen: ASTM D704-99(2020)
Ausgabedatum normen: 1.12.2020
SKU: NS-1013581
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM

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Kategorie - ähnliche Normen:

Other rubber and plastics products

Die Annotation des Normtextes ASTM D704-99(2020) :

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.

Keywords:

formaldehyde, melamine-formaldehyde, molding compounds (thermosetting),, ICS Number Code 83.140.99 (Other rubber and plastic products)

Ergänzende Informationen

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.

1.3?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

2. Referenced Documents

D3638-21e1	Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials (Includes all amendments and changes 2/2/2022).
D3892-15(2020)	Standard Practice for Packaging/Packing of Plastics
D495-22	Standard Test Method for High-Voltage, Low-Current, Dry Arc Resistance of Solid Electrical Insulation
D570-22	Standard Test Method for Water Absorption of Plastics
D618-21	Standard Practice for Conditioning Plastics for Testing
D648-18	Standard Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position
D731-22	Standard Test Method for Molding Index of Thermosetting Molding Powder
D790-17	Standard Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials
D792-20	Standard Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement
D883-24	Standard Terminology Relating to Plastics
D1895-17	Standard Test Methods for Apparent Density, Bulk Factor, and Pourability of Plastic Materials
D1896-09	Standard Practice for Transfer Molding Test Specimens of Thermosetting Compounds
D149-20	Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies
D150-22	Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
D256-23e1	Standard Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics (Includes all amendments and changes 4/7/2023).
D3795-20	Standard Test Method for Thermal Flow, Cure, and Behavior Properties of Pourable Thermosetting Materials by Torque Rheometer
Manual 7	Manual on Presentation of Data and Control Chart Analysis, 8th Edition Available from ASTM International Headquarters. Request MNL7-8TH.
D5224-12(2019)	Standard Practice for Compression Molding Test Specimens of Thermosetting Molding Compounds
D6289-13(2019)	Standard Test Method for Measuring Shrinkage from Mold Dimensions of Molded Thermosetting Plastics
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.

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