1、Designation:D385117(2022)Standard Specification forMicrocellular Polyurethane Shoe Soling Materials1This standard is issued under the fixed designation D3851;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A
2、 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 specification covers microcellular polyurethanematerials for shoe soling applications.It provides physicalproperty requirements and i
3、dentifies test methods for determin-ing those specific properties.1.2 SI units are to be regarded as the preferred units ofmeasurements for values.The inch-pound values in parenthe-ses can be used if there is an agreement between the contractualparties.NOTE1There is no known ISO equivalent to this s
4、tandard.1.3 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 TechnicalBarr
5、iers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D412 Test Methods for Vulcanized Rubber and Thermoplas-tic ElastomersTensionD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic ElastomersD792 Test Methods for Density and Specific Gravity(Rela-
6、tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1052 Test Method for Measuring Rubber DeteriorationCut Growth Using Ross Flexing ApparatusD1622 Test Method for Apparent Density of Rigid CellularPlasticsD1938 Test Method for Tear-Propagation Resistance(Trou-ser Tear)of P
7、lastic Film and Thin Sheeting by a Single-Tear MethodD2240 Test Method for Rubber PropertyDurometer Hard-nessD3489 Test Methods for Microcellular Urethane Materials3.Terminology3.1 For definitions of terms used in this test method andassociated with plastics issues refer to the terminology con-taine
8、d in standard D883.3.2 Definitions of Terms Specific to This Standard:3.2.1 microcellular polyurethane,nan elastomeric mate-rial made by the interaction of a polyol and an organicisocyanate,having very small cell diameters.Microcellularpolyurethane shoe sole materials typically have cell diametersin
9、 the range of 0.1 to 200 m.4.Classification4.1 This specification covers three grades of microcellularpolyurethane materials for selection according to abrasionresistance,cut-growth resistance,and other physical properties.The grades are classified as Grade 1,Grade 2,and Grade 3.5.Ordering Informati
10、on5.1 Any product represented as complying with this speci-fication shall meet all the requirements listed herein for itsparticular classification.6.Physical Requirements6.1 The material shall conform to requirements for physicalproperties prescribed in Table 1.7.Test Methods7.1 The physical tests s
11、hall be in accordance with TestMethod D3489.8.Inspection8.1 Inspection of the material shall be agreed upon inwriting between the purchaser and the supplier as part of thepurchase contract.8.2 Testing for conformance to requirements shall be donein accordance with this specification and Test Methods
12、 D3489.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.22 on CellularMaterials-Plastics and Elastomers.Current edition approved March 15,2022.Published March 2022.Originallyapproved in 1980.Last previous edition appr
13、oved in 2017 as D3851 17.DOI:10.1520/D3851-17R22.2For 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 Cha
14、nges 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 standard was developed in accordance with internationally recognized principles on standardization established in the Decisio
15、n on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.19.Retest and Rejection9.1 If any failure occurs,the materials may be retested toestablish conformity in accordance with agreement
16、 betweenthe purchaser and the seller.10.Packaging,Marking,and Labeling10.1 PackagingThe material shall be packed in standardcommercial containers,so constructed as to ensure acceptanceby common or other carriers for safe transportation at thelowest rate to the point of delivery,unless otherwise specifiedin the contract or order.10.2 MarkingThe shipping container shall be marked withthe name,type,and quality of material in accordance with thecontract or order under which the shipment is made.Thes