1、Designation:D626322Standard Specification forExtruded Rods and Bars Made From Rigid Poly(VinylChloride)(PVC)and Chlorinated Poly(Vinyl Chloride)(CPVC)1This standard is issued under the fixed designation D6263;the number immediately following the designation indicates the year oforiginal adoption or,
2、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.INTRODUCTIONThis specification is intended to be a means of calling out mechanical grade plastic p
3、roduct used inthe fabrication of end items or parts.1.Scope*1.1 This specification covers requirements and test methodsfor the material,dimensions,and workmanship,and the prop-erties of extruded shapes of rods and bars made from poly(vi-nyl chloride)(PVC),and chlorinated poly(vinyl chloride)(CPVC).1
4、.2 The properties included in this specification are thoserequired for the compositions covered.Use the classificationsystem given in Section 4 to describe requirements necessaryto identify particular characteristics important to specializedapplications.1.3 This specification allows for the use of r
5、egrind andrecycled plastics providing products produced from regrind orrecycled PVC material can be shown to meet the requirementsof this standard with regard to material classification,physicalperformance,dimensions and workmanship;and the regrind orrecycled plastics used have not been subjected to
6、 severeenvironments in post consumer applications(such as chemicalservice)which could adversely affect the end products perfor-mance when subjected to machining or critical applications orboth.1.4 The values are stated in inch-pound units and areregarded as the standard in all property and dimension
7、al tables.For reference purposes,SI units are also included in Table 1only.1.5 The following safety hazards caveat pertains only to thetest method portions section of this specification:This standarddoes not purport to address all of the safety concerns,if any,associated with its use.It is the respo
8、nsibility of the user of thisstandard to establish appropriate safety,health,and environ-mental practices and determine the applicability of regulatorylimitations prior to use.NOTE1There is no known ISO equivalent to this standard.1.6 This international standard was developed in accor-dance with int
9、ernationally 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:2D256 Te
10、st Methods for Determining the Izod PendulumImpact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD883 Ter
11、minology Relating to PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD1784 Classification System and Basis for Specification forRigid Poly(Vinyl Chloride)(PVC)Compounds and Chlo-rinated Poly(Vinyl Chloride)(CPVC)CompoundsD3892 Practice for Packaging/Packing of Plastics1This speci
12、fication is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials(Section D20.20.02).Current edition approved May 1,2022.Published May 2022.Originallyapproved in 1998.Last previous edition approved in 2015 as D6263-1
13、5.DOI:10.1520/D6263-22.2For 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 Changes section appears at th
14、e 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 Decision on Principles for theDev
15、elopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.12.2 ANSI Standard:Z1.4-1993 Sampling Procedures and Tables for Inspectionby Attributes32.3 NSF Standard:NSF Standard 6143.Terminology3.1 Definitions:3.1.1
16、For definitions of terms pertaining to plastics used inthis standard,refer to Terminology D883.For abbreviationsused in this standard,refer to Terminology D1600,unlessotherwise indicated.3.1.2 regrind plastic,na product or scrap such as spruesand runners and edge trim that have been reclaimed byshredding and granulating for use in-house.3.2 Definitions of Terms Specific to This Standard:3.2.1 rod,nan extruded solid cylindrical shape with aminimum diameter of 0.125 in.(3.2 mm).3.2.2 tubular bar,n
