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1.1 This specification covers compression molding thermosetting compounds consisting of a urea-formaldehyde resin binder intimately combined in the uncured or partially cured condition with fillers, pigments, and other chemical agents.
1.2 The values stated in SI units are to be regarded as the standard. The values stated in parentheses are for information only.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. Transfer or injection molding will usually result in different physical and electrical characteristics than compression molding.
1.3 The following safety hazards caveat pertains only to the test method portion, Section 7, of 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.Note 2-ISO 2112-1977(E) is similar but not equivalent to this specification. Product classification and characterization are not the same.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D149 Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies
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
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
D956 Practice for Compression Molding Specimens of Amino Molding Compounds
D3892 Practice for Packaging/Packing of Plastics
ISO StandardISO 2112-1977(E) Plastics--Aminoplastic Moulding Materials--Specification Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
ICS Number Code 83.140.99 (Other rubber and plastic products)
UNSPSC Code 13111027(Urea formaldehyde)
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ASTM D705-99, Standard Specification for Urea-Formaldehyde Molding Compounds, ASTM International, West Conshohocken, PA, 1999, www.astm.orgBack to Top