1、Designation:D526022Standard Classification forChemical Resistance of Poly(Vinyl Chloride)(PVC)Homopolymer and Copolymer Compounds and ChlorinatedPoly(Vinyl Chloride)(CPVC)Compounds1This standard is issued under the fixed designation D5260;the number immediately following the designation indicates th
2、e 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.1.Scope*1.1 This classification covers the method for determiningand
3、 classifying the resistance of poly(vinyl chloride)(PVC)homopolymer and copolymer compounds,and chlorinatedpoly(vinyl chloride)(CPVC)compounds in chemicals bysimple immersion testing of unstressed specimens.1.2 This classification is applicable to any PVC or CPVCcompound as defined in Specifications
4、 D1784,D4216,D4396,or D4551.1.3 The values stated in SI units are to be regarded asstandard.1.4 The text of this standard references notes and footnoteswhich provide explanatory material.These notes and footnotes(excluding those in tables and figures)shall not be consideredas requirements of this st
5、andard.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,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to u
6、se.NOTE1There are no ISO standards covering the subject matter of thisclassification.1.6 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,Gui
7、des and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D543 Practices for Evaluating the Resistance of Plastics toChemical ReagentsD883 Terminology Relating to PlasticsD1600 Terminology forAbbreviated Terms R
8、elating to Plas-ticsD1784 Classification System and Basis for Specification forRigid Poly(Vinyl Chloride)(PVC)Compounds and Chlo-rinated Poly(Vinyl Chloride)(CPVC)CompoundsD4216 Specification for Rigid Poly(Vinyl Chloride)(PVC)and Related PVC and Chlorinated Poly(Vinyl Chloride)(CPVC)Building Produc
9、ts CompoundsD4396 Specification for Rigid Poly(Vinyl Chloride)(PVC)and Chlorinated Poly(Vinyl Chloride)(CPVC)Com-pounds for Plastic Pipe and Fittings Used in NonpressureApplicationsD4551 Specification for Poly(Vinyl Chloride)(PVC)PlasticFlexible Concealed Water-Containment Membrane3.Terminology3.1 D
10、efinitions and Abbreviations:3.1.1 For definitions of terms pertaining to plastics used inthis test method,refer to Terminology D883.For abbreviationsused in this test method,refer to Terminology D1600,unlessotherwise indicated.4.Significance and Use4.1 Reference this chemical resistance classificat
11、ion for anyPVC/CPVC material compound specification wherein a levelof resistance to specific chemicals is required for satisfactoryproduct performance.4.2 Listing of a chemical in the annex does not implyPVC/CPVC compatibility or resistance to the chemical.Some1This classification is under the juris
12、diction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved May 1,2022.Published May 2022.Originallyapproved in 1992.Last previous edition approved in 2016 as D5260-16.DOI:10.1520/D5260-22.2For referenced ASTM st
13、andards,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 this standardCopyright ASTM Internati
14、onal,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
15、 Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1of the chemicals listed could be deleterious to a specificcompound,causing radical changes in the physical properties.Resistance to these chemicals is not intended to be a practicalrequirement in a spe
16、cification.4.3 For resistance to mixtures of chemicals,it is suggestedthat the blend be tested rather than accepting the resistance ofthe individual chemicals because of a possible solvencyenhancement of the combined chemicals.4.4 The specimens tested in this classification are un-stressed.When service conditions include stress or otherfactors,or both,test chemical resistance of the PVC/CPVCcompound under actual service conditions.5.Basis of Classification5.1 The chemical resistance of a PVC or
