1、Designation:D357520Standard Test Methods forFlexible Cellular Materials Made from Olefin Polymers1This standard is issued under the fixed designation D3575;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A n
2、umber in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 These test methods apply to flexible closed cell materi-als made from olefin polymers or blends of olefin polymerswith other polymers as de
3、fined in Section 3.1.2 These test methods cover test procedures only.Productrequirements are outlined in Specification D4819.1.3 Unless specifically stated otherwise,by agreement be-tween the purchaser and supplier,all tests shall be performed inaccordance with the test methods specified in this sta
4、ndard.1.4 The values stated in SI units are to be regarded as thestandard.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 an
5、d deter-mine the applicability of regulatory limitations prior to use.NOTE1This standard and ISO 7214 address the same subject matter,but differ in technical content.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization establishe
6、d 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 ASTM Standards:2C177 Test Method for Steady-State Heat Flux Measure-ments and Thermal Tr
7、ansmission Properties by Means ofthe Guarded-Hot-Plate ApparatusC518 Test Method for Steady-State Thermal TransmissionProperties by Means of the Heat Flow Meter ApparatusD412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD624 Test Method for Tear Strength of Conventional Vul
8、-canized Rubber and Thermoplastic ElastomersD883 Terminology Relating to PlasticsD1056 Specification for Flexible Cellular MaterialsSponge or Expanded RubberD1349 Practice for RubberStandard Conditions for Test-ingD1596 Test Method for Dynamic Shock Cushioning Char-acteristics of Packaging MaterialD
9、1667 Specification for Flexible Cellular MaterialsPoly(Vinyl Chloride)Foam(Closed-Cell)D2863 Test Method for Measuring the Minimum OxygenConcentration to Support Candle-Like Combustion ofPlastics(Oxygen Index)D4819 Specification for Flexible Cellular Materials MadeFrom Polyolefin PlasticsE177 Practi
10、ce for Use of the Terms Precision and Bias inASTM Test MethodsE456 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 ApplicationsF355 Test Method
11、 for ImpactAttenuation of Playing SurfaceSystems,Other Protective Sport Systems,and MaterialsUsed for Athletics,Recreation and Play3.Terminology3.1 Terms used in this standard are defined in accordancewith Terminology D883,unless otherwise specified.For termsrelating to precision,bias and associated
12、 issues,the terms usedin this standard are defined in accordance with TerminologyE456.3.2 Definitions of Terms Specific to This Standard:3.2.1 blend,nmixture of olefin polymers with othermonomer(s)or polymer(s)in which at least 51 mass percent isthe olefin polymer.3.2.2 flexible cellular material,na
13、 cellular polymer thatwill not visibly rupture within a specified time when aspecimen is bent around a 25.4 mm(1.0 in.)mandrel 1801These test methods are under the jurisdiction of ASTM Committee D20 onPlastics and are the direct responsibility of Subcommittee D20.22 on CellularMaterials-Plastics and
14、 Elastomers.Current edition approved Feb.1,2020.Published March 2020.Originallyapproved in 1977.Last previous edition approved in 2014 as D3575-14.DOI:10.1520/D3575-20.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Boo
15、k 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 International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standa
16、rd 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.degrees within an agreed upon period of time and at apredetermined temperature.3.2.3 constant compression creep,nthe time-dependentchange in thickness of a material under a constant compressivestress or compress
