1、Designation:D228712Standard Specification forNonrigid Vinyl Chloride Polymer and Copolymer Moldingand Extrusion Compounds1This standard is issued under the fixed designation D2287;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the y
2、ear 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.Scope*1.1 This specification covers nonr
3、igid vinyl chloride poly-mer and copolymer classes in which the resin portion of thecomposition contains at least 90%vinyl chloride.The remain-ing 10%can include one or more monomers copolymerizedwith vinyl chloride or consist of other resins mechanicallyblended with polyvinyl chloride or copolymers
4、 thereof.1.2 These nonrigid vinyl compounds are defined by ahardness range and include the necessary stabilizers,plasticizers,fillers,dyes,and pigments to meet the designatedrequirements.1.3 This specification includes nonrigid vinyl chloride com-pounds recommended for compression molding,injectionm
5、olding,and extrusion,but it must be recognized that particu-lar compounds are not suitable for all these means of fabrica-tion.NOTE1This standard and ISO 2898-1 and ISO 2898-2 address thesame subject matter,but differ in technical content.1.4 The values stated in SI units are to be regarded as thest
6、andard.The values given in parentheses are for informationonly.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-b
7、ility of regulatory limitations prior to use.1.6 The text of this specification references notes andfootnotes which provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered as requirements of this specification.1.7 Recycle PVC plastics meetin
8、g the requirements of thisspecification may be used in some applications.Refer to thespecific requirements in the Materials and Manufacture sectionof the applicable product standard.2.Referenced Documents2.1 ASTM Standards:2D257 Test Methods for DC Resistance or Conductance ofInsulating MaterialsD61
9、8 Practice for Conditioning Plastics for TestingD635 Test Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD638 Test Method for Tensile Properties of PlasticsD746 Test Method for Brittleness Temperature of Plasticsand Elastomers by ImpactD792 Test Metho
10、ds for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1203 Test Methods for Volatile Loss From Plastics UsingActivated Carbon MethodsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2240 Test Method for Rubber PropertyDurom
11、eter Hard-nessD3182 Practice for RubberMaterials,Equipment,and Pro-cedures for Mixing Standard Compounds and PreparingStandard Vulcanized SheetsD3892 Practice for Packaging/Packing of Plastics2.2 ISO Standards:3ISO 2898-1 PlasticsPlasticide Compounds of Homopoly-mers and Copolymers of Vinyl Chloride
12、(PVC-P)ISO 2898-2 PlasticsPlasticide Compounds of Homopoly-mers and Copolymers of Vinyl Chloride(PVC-P)Part 2Preparation of Test Specimens and Determination ofProperties1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20
13、.15 on ThermoplasticMaterials.Current edition approved Oct.1,2012.Published November 2012.Originallyapproved in 1964.Last previous edition approved in 2011 as D2287-11.DOI:10.1520/D2287-12.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceas
14、tm.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
15、 standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.Terminology3.1 GeneralDefinitions are in accordance with Terminol-ogy D883 and abbreviations with Terminology D1600,unlessotherwise indicated.4.Classification4.1 Provision is made
16、 in this specification for the identifi-cation of vinyl chloride polymers and copolymers by use ofTerminology D1600.Additionally,there is provision for dis-tinguishing electrical grades and burning rate by suffix.Thesystem of classification provided in Table 1 permits character-ization and identification of all compounds having propertieswithin the ranges of the combinations that may be selectedfrom the table.Following type identification in accordancewith Terminology D1600,grades are designated
