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ASTM_D_5577_-_19.pdf

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1、Designation:D557719Standard Guide forTechniques to Separate and Identify Contaminants inRecycled Plastics1This standard is issued under the fixed designation D5577;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revi

2、sion.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This guide is intended to provide information on avail-able methods for the separation and classification of contami-nants such as m

3、oisture,incompatible polymers,metals,adhesives,glass,paper,wood,chemicals,and original-productresidues in recycled plastic flakes or pellets.Although nospecific methods for identification or characterization of foamproducts are included,foam products are not excluded fromthis guide.The methods prese

4、nted apply to post-consumerplastics.1.2 For specific procedures existing as ASTM test methods,this guide only lists the appropriate reference.Where nocurrent ASTM standard exists,however,this guide givesprocedures for the separation or identification,or both,ofspecific contaminants.Appendix X1 lists

5、 the tests and thespecific contaminant addressed by each procedure.1.3 This guide does not include procedures to quantify thecontaminants unless this information is available in referencedASTM standards.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with it

6、s 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 use.NOTE1There is no known ISO equivalent to this standard.1.5 This international standard was developed

7、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

8、ASTM Standards:2D789 Test Method for Determination of Relative Viscosityof Concentrated Polyamide(PA)SolutionsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1003 Test Method for Haze and Luminous Transmittanceof T

9、ransparent PlasticsD1193 Specification for Reagent WaterD1238 Test Method for Melt Flow Rates of Thermoplasticsby Extrusion PlastometerD1457 Specification for Polytetrafluoroethylene(PTFE)Molding and Extrusion Materials(Withdrawn 1996)3D1505 Test Method for Density of Plastics by the Density-Gradien

10、t TechniqueD1898 Practice for Sampling of Plastics(Withdrawn 1998)3D1925 Test Method for Yellowness Index of Plastics(With-drawn 1995)3D3418 Test Method for Transition Temperatures and En-thalpies of Fusion and Crystallization of Polymers byDifferential Scanning CalorimetryD4019 Test Method for Mois

11、ture in Plastics by CoulometricRegeneration of Phosphorus Pentoxide(Withdrawn2002)3D5033 Guide for Development ofASTM Standards Relatingto Recycling and Use of Recycled Plastics(Withdrawn2007)3D5227 Test Method for Measurement of Hexane ExtractableContent of PolyolefinsE169 Practices for General Tec

12、hniques of Ultraviolet-VisibleQuantitative AnalysisE355 Practice for Gas Chromatography Terms and Relation-ships1This guide is under the jurisdiction of ASTM Committee D20 on Plastics andis the direct responsibility of Subcommittee D20.95 on Recycled Plastics.Current edition approved April 1,2019.Pu

13、blished May 2019.Originallyapproved in 1994.Last previous edition approved in 2010 as D5577-94(2010)1,which was withdrawn January 2019 and reinstated in April 2019.DOI:10.1520/D5577-19.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.o

14、rg.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.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.Un

15、ited 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 Barrier

16、s to Trade(TBT)Committee.1 E682 Practice for Liquid Chromatography Terms and Rela-tionshipsE794 Test Method for MeltingAnd Crystallization Tempera-tures By Thermal AnalysisE1252 Practice for General Techniques for Obtaining Infra-red Spectra for Qualitative Analysis2.2 ISO Standards:4ISO 3451/1-1981 PlasticsDetermination of Ash;Part 1:General MethodsISO 1183-1987 Methods for Determining the Density andRelative Density of Noncellular Plastics3.Terminology3.1 This terminology used in this guide is

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