1、Designation:D611119aStandard Test Method forBulk Density And Specific Gravity of Plastic Lumber andShapes by Displacement1This standard is issued under the fixed designation D6111;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.1.Scope*1.1 This test method covers the determination of the bulkdensity and specific gravity of plastic lumber and shapes inth
3、eir“as manufactured”form.As such,this is a test method forevaluating the properties of plastic lumber or shapes as aproduct and not a material property test method.1.2 This test method is suitable for determining the bulkspecific gravity or bulk density by immersion of the entire itemor a representa
4、tive cross section in water.This test methodinvolves the weighing of a one piece specimen in water,usinga sinker with plastics that are lighter than water.This testmethod is suitable for products that are wet by,but otherwisenot affected by water for the duration of the test.1.3 Plastic lumber and p
5、lastic shapes are currently madepredominately from recycled plastics.However,this testmethod would also be applicable to similar manufacturedplastic products made from virgin resins where the product isnon-homogeneous in the cross-section.1.4 The values stated in SI units are to be regarded asstanda
6、rd.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 use.N
7、OTE1There is no known ISO equivalent to this test method.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,Guides and Recom-mendations iss
8、ued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD883 Terminology Relating to PlasticsD1622/D1622M Test Method for Apparent Density of RigidCellular PlasticsD1898 Practice for Sam
9、pling of Plastics(Withdrawn 1998)3D5033 Guide for Development ofASTM Standards Relatingto Recycling and Use of Recycled Plastics(Withdrawn2007)3D6108 Test Method for Compressive Properties of PlasticLumber and ShapesE1 Specification for ASTM Liquid-in-Glass ThermometersE12 Terminology Relating to De
10、nsity and Specific Gravityof Solids,Liquids,and Gases(Withdrawn 1996)3E456 Terminology Relating to Quality and StatisticsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodE2935 Practice for Conducting Equivalence Testing inLaboratory Applications3.Termin
11、ology3.1 Definitions of Terms:3.1.1 Definitions of terms applying to this test methodappear in Terminology D883 and Guide D5033.For termsrelating to precision and bias and associated issues,the termsused in this test method are in accordance with the definitionsin Terminology E456.3.1.2 density,bulk
12、the weight per unit volume of a materialincluding voids inherent in material as tested.(TerminologyD883)3.1.3 plastic lumber,na manufactured product made pri-marily from plastic materials(filled or unfilled),typically usedas a building material for purposes similar to those of tradi-tional lumber,wh
13、ich is usually rectangular in cross-section.(Terminology D883)1This test method is under the jurisdiction of ASTM Committee D20 on Plasticsand is the direct responsibility of Subcommittee D20.20 on Plastic Lumber(SectionD20.20.01).Current edition approved Aug.1,2019.Published August 2019.Originallya
14、pproved in 1997.Last previous edition approved in 2019 as D6111-19.DOI:10.1520/D6111-19A.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 p
15、age onthe ASTM website.3The last approved version of this historical standard is referenced onwww.astm.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 StatesThis international s
16、tandard 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 Barriers to Trade(TBT)Committee.1 3.1.3.1 DiscussionPlastic lumber is typically supplied insizes similar to those of traditional lumber board,timber anddimension lumber;however the tolerances for plastic lumberand for traditional lumber a