ASTM_D_1201_-_13_2022e1.pdf

Designation:D120113(Reapproved 2022)1Standard Specification forThermosetting Polyester Molding Compounds1This standard is issued under the fixed designation D1201;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.1NOTEReapproved with editorial changes in January 2022.1.Scope*1.1 This specification covers compression molding,thermosetting,unsaturated polyester molding compounds asfurther defined in 3.1.1.2 The values stated in SI units are to be regarded as thestandard.NOTE1The properties included in this specification are those requiredto identify the types of molding compounds covered.There may be otherrequirements necessary to identify particular characteristics.These will beadded to the specification as their inclusion becomes generally desirableand the necessary test data and methods become available.NOTE2ISO 36721:1979(E)is similar but not equivalent to thisspecification.Product classification and characterization are not equiva-lent.1.3 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:2D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD495 Test Method for High-Voltage,Low-Current,Dry ArcResistance of Solid Electrical InsulationD570 Test Method for Water Absorption of PlasticsD618 Practice for Conditioning Plastics for TestingD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD3892 Practice for Packaging/Packing of Plastics2.2 ISO Standard:ISO 36721:1979(E)PlasticsUnsaturated PolyesterResinsPart 1:Designation33.Classification3.1 This specification covers the following types of polyes-ter molding compounds:3.1.1 Type 1General-purpose,granular material with min-eral fillers.3.1.2 Type 2General-purpose,granular material with min-eral and cellulosic fillers,and having improved mechanicalstrength.3.1.3 Type 3General-purpose,putty-type material withmineral fillers.3.1.4 Type 4Putty-type material with mineral fillers hav-ing superior electrical properties.3.1.5 Type 5High-impact,glass-fiber filled material in matform having good electrical properties.3.1.6 Type 6High-impact,glass-fiber filled material inputty form.4.General Requirements4.1 Themoldingcompoundsshallbeofuniformcomposition,so compounded as to conform to the require-ments prescribed in this specification.4.2 The apparent density,bulk factor,particle size,physicalform,and color of the compound shall be as agreed uponbetween the purchaser and supplier.NOTE3The terms“apparent density,”“bulk factor,”and“particlesize”cannot be used in the same sense with putty-type and glass-filledmaterials as with granular materials.5.Detail Requirements5.1 Test specimens,molded by compression under condi-tions specified by the manufacturer,shall conform to therequirements prescribed in Table 1.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.16 on ThermosettingMaterials.Current edition approved Jan.1,2022.Published February 2022.Originallyapproved in 1952.Last previous edition approved in 2013 as D1201-13.DOI:10.1520/D1201-13R22E01.2For 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.16.Sampling6.1 Abatch of molding compound shall be considered a unitof manufacture.It will potentially consist of a blend of two ormore production runs of the same material.6.2 Adequate statistical sampling shall be used.7.Test Methods7.1 The properties enumerated in this specification shall bedetermined in accordance with the following methods:7.1.1 ConditioningMolded specimens shall be condi-tioned in