1、Designation:D178411Standard Specification forRigid Poly(Vinyl Chloride)(PVC)Compounds andChlorinated Poly(Vinyl Chloride)(CPVC)Compounds1This standard is issued under the fixed designation D1784;the number immediately following the designation indicates the year oforiginal adoption or,in the case of
2、 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 Department of Defense.1.Scope*1.1 This specification
3、covers rigid PVC and CPVC com-pounds intended for general purpose use in extruded or moldedformincluding pressure piping applications and nonpressurepiping applicationscomposed of poly(vinyl chloride),chlo-rinated poly(vinyl chloride),or vinyl chloride copolymerscontaining at least 80%vinyl chloride
4、,and the necessarycompounding ingredients.The compounding ingredients shallbe permitted to consist of lubricants,stabilizers,non-poly(vinylchloride)resin modifiers,pigments,and inorganic fillers.NOTE1Selection of specific compounds for particular end uses orapplications requires consideration of oth
5、er characteristics such as thermalproperties,optical properties,weather resistance,etc.Specific require-ments and test methods for these properties should be by mutualagreement between the purchaser and the seller.NOTE2Selection of compounds for pressure piping applicationsrequires consideration of
6、material stress ratings that are required fordetermining pressure ratings,but are not addressed in this specification.Requirements for long-term material stress ratings in accordance withrecognized stress rating standards,such as HDB in accordance with TestMethod D2837 for pressure piping,should be
7、included in specificationsfor pressure piping products or systems.NOTE3The list of compounding ingredients in 1.1 is not meant to bean exhaustive list of allowable compound ingredients.In addition to thecompounding ingredients listed,others may also be used.The list ofcompounding ingredients in 1.1
8、does not imply that every ingredient listedis a required ingredient.Some compounds may not contain all theingredients listed in 1.1.1.2 For applications involving special chemical resistancesee Classification D5260.1.3 The requirements in this specification are intended forthe quality control of com
9、pounds used to manufacture finishedproducts.These properties are based on data obtained usingstandard test specimens tested under specified conditions.Theyare not directly applicable to finished products.See theapplicable ASTM standards for requirements for finishedproducts.1.4 The text of this spec
10、ification references notes andfootnotes that provide explanatory material.These notes andfootnotes(excluding those in tables and figures)shall not beconsidered as requirements of this specification.1.5 Rigid PVC recycle plastics meeting the requirements ofthis specification may be used in some appli
11、cations.Refer tothe specific requirements in the materials and manufacturesection of the applicable product standard.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 thetes
12、t methods portion,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 and healthpractices and determine the applicability of regulatory
13、 limita-tions prior to use.NOTE4This specification is similar in content(but not technicallyequivalent)to ISO 1163-1:1985 and ISO 1163-2:1980.2.Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining the Izod PendulumImpact Resistance of PlasticsD618 Practice for Conditioning Plast
14、ics 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 Method for Deflection Temperature of PlasticsUnder Flexural Load in the Edgewise PositionD883 Terminology Relating to
15、PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3892 Practice for Packaging/Packing of Plastics1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approve
16、d May 1,2011.Published May 2011.Originallyapproved in 1960.Last previous edition approved in 2008 as D1784 08.DOI:10.1520/D1784-11.2For 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 the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Co
