1、Designation:D228719Standard Classification System and Basis for 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 adopt
2、ion 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.Scop
3、e*1.1 This classification system standard covers nonrigid vi-nyl chloride polymer and copolymer classes in which the resinportion of the composition contains at least 90%vinylchloride.The remaining 10%can include one or more mono-mers copolymerized with vinyl chloride or consist of otherresins mecha
4、nically blended with polyvinyl chloride or copo-lymers 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 classification system standard includes nonrigidvi
5、nyl chloride compounds recommended for compressionmolding,injection molding,and extrusion,but it must berecognized that particular compounds are not suitable for allthese means of fabrication.NOTE1This standard and ISO 2898-1 and ISO 2898-2 address thesame subject matter,but differ in technical cont
6、ent.1.4 The values stated in SI units are to be regarded as thestandard.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 app
7、ro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.6 The text of this classification system standard referencesnotes and footnotes which provide explanatory material.Thesenotes and footnotes(excluding those in tables and figu
8、res)shallnot be considered as requirements of this specification.1.7 Some applications have the option to contain recycledPVC plastics that meet the requirements of this classificationsystem standard.Refer to the specific requirements in theMaterials and Manufacture section of the applicable product
9、standard.1.8 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 TechnicalBar
10、riers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D257 Test Methods for DC Resistance or Conductance ofInsulating MaterialsD618 Practice for Conditioning Plastics for TestingD635 Test Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal Positio
11、nD638 Test Method for Tensile Properties of PlasticsD746 Test Method for Brittleness Temperature of Plasticsand Elastomers by ImpactD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1203 Test Methods for Volatile Los
12、s From Plastics UsingActivated Carbon MethodsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD2240 Test Method for Rubber PropertyDurometer Hard-nessD3182 Practice for RubberMaterials,Equipment,and Pro-cedures for Mixing Standard Compounds and PreparingStandard Vulcanized Sheets1This spe
13、cification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved Nov.1,2019.Published December 2019.Originallyapproved in 1964.Last previous edition approved in 2012 as D2287-12.DOI:10.152
14、0/D2287-19.2For 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.*A Summary of Changes section appears at the end of thi
15、s 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
16、International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 D3892 Practice for Packaging/Packing of Plastics2.2 ISO Standards:3ISO 2898-1 PlasticsPlasticide Compounds of Homopoly-mers and Copolymers of Vinyl Chloride(PVC-P)ISO 2898-2 PlasticsPlasticide Compounds of Homopoly-mers and Copolymers of Vinyl Chloride(PVC-P)Part 2Preparation of Test Specimens and Determination ofProperties3.Terminology3.1 GeneralDefinitions are i
