ASTM_D_8427_-_21.pdf

Designation:D842721Standard Specification forRigid Poly Vinyl Chloride(PVC)Exterior Profiles Used forSheet Piling1This standard is issued under the fixed designation D8427;the number immediately following the designation indicates the 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.Scope1.1 This specification establishes requirements for the ma-terial properties and physical properties,including dimensionaltolerances,of rigid poly(vinyl chloride)(PVC)exterior profilesused for heavy construction,geotechnical,commercial,andresidential sheet piling.Methods for testing and for identifyingexterior profile extrusions that comply with this specificationare also provided.1.2 The material used in these exterior profiles is limited torigid PVC compounds in a single homogeneous extrusion or ina coextrusion of two or more PVC compounds in distinctlayers.1.3 The values stated in inch-pound units are to be regardedas the standard.1.4 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.1.5 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 TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD883 Terminology Relating to PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD4216 Specification for Rigid Poly(Vinyl Chloride)(PVC)and Related PVC and Chlorinated Poly(Vinyl Chloride)(CPVC)Building Products CompoundsD4226 Test Methods for Impact Resistance of Rigid Poly-(Vinyl Chloride)(PVC)Building Products3.Terminology3.1 DefinitionsGeneral definitions are in accordance withTerminologies D883 and D1600,unless otherwise indicated.3.2 Definitions of Terms Specific to This Standard:3.2.1 capstock,nthe outer layer in a coextrusion exposedto weathering.3.2.2 coextrusion,nthe process of coextruding profilesfrom two or more streams of PVC compounds.3.2.3 reworked material,nmaterial from the manufactur-ers facility of known,compatible composition meeting thematerial requirement of this specification that has been re-ground or pelletized after having been previously processed byextrusion,and so forth.3.2.4 single-layer profile,nprofiles extruded from a singlePVC compound(also sometimes called monoextrusion).3.2.5 substrate,ninner layer(s)of a coextrusion not ex-posed to weathering.4.Ordering Information4.1 PVC sheet piling is ordered to a particular length,oftenin increments of 1 ft or 2 ft.The width and profile shape neededare determined by the engineer(see Fig.1).5.Materials and Manufacture5.1 The rigid poly vinyl chloride(PVC)compound forexterior profile extrusions meeting the requirements of thisspecification are categorized by the cell class requirements inaccordance with Specification D4216.5.2 The virgin PVC compounds used for the productsmeeting this specification shall meet cell 1-42443-33 as definedin Specification D4216.Compounds that have a higher cellclassification because one or more properties are superior tothose in the specified compound are acceptable.5.3 ColorThe color of the profiles shall be as agreed uponbetween the purchaser and the seller.When no surface features1This specification is under the jurisdiction of ASTM Committee D35 onGeosynthetics and is the direct responsibility of Subcommittee D35.06 on Geosyn-thetic Specifications.Current edition approved Dec.1,2021.Published December 2021.DOI:10.1520/D8427-21.2For 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.Copyright 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 Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1?are required,the color specified shall be uniform throughout asingle material extrusion or throughout the capstock layer of acoextrusion.5.4 Reworked MaterialClean reworked material may beused,provided that the sheet pile profiles produced in whole orin part from the reworked mater