1、Designation:D120113Standard 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 pa
2、rentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.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
3、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 inclusio
4、n 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.2.Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining t
5、he Izod PendulumImpact Resistance of PlasticsD495 Test Method for High-Voltage,Low-Current,Dry ArcResistance of Solid Electrical Insulation(Withdrawn2013)3D570 Test Method for Water Absorption of PlasticsD618 Practice for Conditioning Plastics for TestingD790 Test Methods for Flexural Properties of
6、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:Designat
7、ion43.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 Ty
8、pe 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
9、 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 purcha
10、ser 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 c
11、onform to therequirements prescribed in Table 1.6.Sampling6.1 Abatch of molding compound shall be considered a unitof manufacture and may consist of a blend of two or moreproduction runs of the same material.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the di
12、rect responsibility of Subcommittee D20.16 on ThermosettingMaterials.Current edition approved Sept.1,2013.Published September 2013.Originallyapproved in 1952.Last previous edition approved in 2012 as D1201-99(2012).DOI:10.1520/D1201-13.2For referenced ASTM standards,visit the ASTM website,www.astm.o
13、rg,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from American National Standards In
14、stitute(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 States1 6.2 Adequate statistical sampling shall be used.7.
15、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 accordance with Procedure B of Practice D618,except for the tests for arc resistance where Procedure A shallbe used.
16、7.1.2 Test ConditionsTests shall be conducted in thestandard laboratory atmosphere of 23 6 2C and 50 6 10%relative humidity,unless otherwise specified in the test meth-ods or in this specification.7.1.3 Specific GravityMethod A of Test Methods D792.7.1.4 Flexural StrengthTest Methods D790,Procedure A.7.1.5 Modulus of Elasticity in FlexureTest Methods D790,Procedure A.7.1.6 Impact Resistance(Izod)Method A of Test MethodsD256.Test specimens shall be 12.7 by 12.7 by 63.5 mm.NOTE4Impact strength spe
