ASTM_D_3013_-_13_2021.pdf

Designation:D301313(Reapproved 2021)Standard Specification forEpoxy Molding Compounds1This standard is issued under the fixed designation D3013;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers requirements for epoxy ther-mosettingmoldingcompounds.Itprovidesfortheiridentification,quality control,and purchase in such a mannerthat the purchaser and the seller can agree on the substantialsimilarity of different commercial lots or shipments.1.2 The compounds covered under this specification consistof mixtures or blends of epoxy resins and curing agentsintimately combined,in an unreacted or partially reactedcondition,with fillers,reinforcements,colorants,and otherchemical agents.1.3 The values stated in SI units are to be regarded as thestandard.NOTE1The properties included in this specification are those requiredto identify the kinds of molding compounds covered.There may be otherrequirements necessary to define particular characteristics.These will beadded to the specification as their inclusion becomes generally desirableand the necessary test data and methods become available.NOTE2There is no known ISO equivalent to this standard.1.4 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D149 Test Method for Dielectric Breakdown Voltage andDielectric Strength of Solid Electrical Insulating Materialsat Commercial Power FrequenciesD150 Test Methods for AC Loss Characteristics and Permit-tivity(Dielectric Constant)of Solid Electrical InsulationD256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD570 Test Method for Water Absorption of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD648 Test Method for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise PositionD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD883 Terminology Relating to PlasticsD1896 Practice for Transfer Molding Test Specimens ofThermosetting CompoundsD2863 Test Method for Measuring the Minimum OxygenConcentration to Support Candle-Like Combustion ofPlastics(Oxygen Index)D3892 Practice for Packaging/Packing of Plastics2.2 IEC Standards:IEC 61621 Dry Solid Insulating MaterialsResistance Testto High-Voltage,Low-Current Arc Discharges33.Terminology3.1 DefinitionsDefinitions of terms used in this specifica-tion are in accordance with Terminology D883.4.Classification4.1 GradesThis specification is subdivided into variousgrades of epoxy molding compounds based on physical prop-erties.This specification provides for a system of characteriza-tion and identification which enables coverage for all commer-cially available grades having properties within the range of thepossible combinations as may be selected from Table 1.Agrade is designated by the cell numbers for each property in theorder in which they are listed in Table 1.When a property is notspecified,a“0”is entered as the cell number.4.2 ClassesEach of the grades of epoxy molding com-pound may be further subdivided into classes according tospecial requirements.A class is designated by a capital letter1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.16 on ThermosettingMaterials.Current edition approved July 1,2021.Published July 2021.Originally approvedin 1972.Last previous edition approved in 2013 as D3013-13.DOI:10.1520/D3013-13R21.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1followed by cell designati