1、Designation:D421622Standard Specification forRigid Poly(Vinyl Chloride)(PVC)and Related PVC andChlorinated Poly(Vinyl Chloride)(CPVC)Building ProductsCompounds1This standard is issued under the fixed designation D4216;the number immediately following the designation indicates the year oforiginal ado
2、ption 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.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Sc
3、ope*1.1 This specification covers rigid plastic PVC and CPVCExterior compounds composed of poly(vinyl chloride),chlori-nated poly(vinyl chloride),vinyl chloride copolymers or vinylchloride blends,and the necessary compound ingredientsintended for use in making building products.The compound-ing ingr
4、edients are permitted to consist of lubricants,stabilizers,nonpoly(vinyl chloride)resin modifiers,colorantsor pigments,or both,and inorganic fillers.1.2 This specification is intended to provide classification ofbase compounds used to manufacture PVC and CPVC exteriorbuilding products.It is acceptab
5、le to determine physicalproperties by evaluating compounds of any color.NOTE1Two year weathering studies,without specific requirementsfor color change and physical property change,are recommended for allcolors of new compounds and compounds for new applications to providethe basis for agreement betw
6、een producer and buyer on the suitability ofthe compound for the intended application.1.3 The requirements in this specification are intended forqualification,as well as for quality control of compounds usedto manufacture building products.They are not applicable tofinished building products.1.4 It
7、will be necessary,in special cases,to select specificcompounds for unusual applications that require considerationof other properties not covered in this specification.1.5 The rate of burning test,Test Method D635,is used inthis specification only as a screening test for identification ofcertain pro
8、perties of the PVC compound;there is no flamma-bility test or flammability requirement for the compound.1.6 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for informationonly.1.7 The following safety hazards caveat pertains only to thetest methods por
9、tion,Section 11,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety,health,andenvironmental practices and determine the applicability ofregulatory
10、 limitations prior to use.NOTE2There is no known ISO equivalent to this standard.1.8 The text of this standard references notes and footnotes,which provide explanatory material.These notes and footnotes(excluding those in tables and figures)shall not be consideredas requirements of this standard.1.9
11、 It is possible that rigid PVC recycle plastic meeting therequirements of this specification will be usable in someapplications.Refer to the specific requirements in the Materialsand Manufacture Section of the applicable product standard.1.10 This international standard was developed in accor-dance
12、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:
13、2D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD635 Test Method for Rate of Burning and/or Extent andTime of Burning of Plastics in a Horizontal PositionD638 Test Method for Tensile Properties of PlasticsD648 Test M
14、ethod for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise Position1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials(Section D20.15.08).Current edition approved May 1,2
15、022.Published May 2022.Originallyapproved in 1983.Last previous edition approved in 2017 as D4216 17.DOI:10.1520/D4216-22.2For 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
16、 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 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
