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    ASTM D1784-2011 Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds《硬质聚氯乙烯(PVC)化合物和氯化聚氯乙烯(CPVC)化合物的标准规格》.pdf

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    ASTM D1784-2011 Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds《硬质聚氯乙烯(PVC)化合物和氯化聚氯乙烯(CPVC)化合物的标准规格》.pdf

    1、Designation: D1784 11Standard 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

    2、 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 Department of Defense.1. Scope*1.1 This

    3、specification 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 8

    4、0 % vinyl chloride, and the necessarycompounding ingredients. The compounding ingredients shallbe permitted to consist of lubricants, stabilizers, non-poly(vinylchloride) resin modifiers, pigments, and inorganic fillers.NOTE 1Selection of specific compounds for particular end uses orapplications req

    5、uires consideration of other 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.NOTE 2Selection of compounds for pressure piping applica

    6、tionsrequires consideration of 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 D28

    7、37 for pressure piping, should be included in specificationsfor pressure piping products or systems.NOTE 3The 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

    8、list ofcompounding ingredients in 1.1 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

    9、 intended forthe quality control of compounds 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

    10、finishedproducts.1.4 The text of this specification 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 o

    11、fthis specification may be used in some applications. 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 followin

    12、g safety hazards caveat pertains only to thetest 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 healthpra

    13、ctices and determine the applicability of regulatory limita-tions prior to use.NOTE 4This 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 Re

    14、sistance 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 Method for Deflection Temperature of PlasticsUnder Flexural Lo

    15、ad in the Edgewise PositionD883 Terminology Relating to PlasticsD1600 Terminology for Abbreviated Terms Relating toPlasticsD3892 Practice for Packaging/Packing of PlasticsD2837 Test Method for Obtaining Hydrostatic Design Basisfor Thermoplastic Pipe Materials or Pressure Design Basis1This specificat

    16、ion is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current edition approved May 1, 2011. Published May 2011. Originallyapproved in 1960. Last previous edition approved in 2008 as D1784 08. DOI:10.1520/D1784

    17、-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.1*A Summary of Changes section appears at the end of this

    18、 standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.for Thermoplastic Pipe ProductsD4703 Practice for Compression Molding ThermoplasticMaterials into Test Specimens, Plaques, or SheetsD5260 Classification for Chemical Resistance

    19、 of Poly(Vi-nyl Chloride) (PVC) Homopolymer and Copolymer Com-pounds and Chlorinated Poly(Vinyl Chloride) (CPVC)Compounds2.2 ISO Standards:3ISO 1163-1:1985ISO 1163-2:19803. Terminology3.1 DefinitionsDefinitions are in accordance with Termi-nology D883 and abbreviations with Terminology D1600unless o

    20、therwise indicated.4. Classification4.1 Means for selecting and identifying rigid PVC andCPVC compounds are provided in Table 1. The propertiesenumerated in Table 1 and the tests defined are expected toprovide identification of the compounds selected. They are notnecessarily suitable for direct appl

    21、ication in design because ofdifferences in shape of part, size, loading, environmentalconditions, etc.4.2 Classes are designated by the cell number for eachproperty in the order in which they are listed in Table 1.NOTE 5The manner in which selected materials are identified by thisclassification syst

    22、em is illustrated by a Class 12454 rigid PVC compoundhaving the following requirements (see Table 1). The two-digit cell limits10 and 11 are rarely used, only for special high-temperature grades ofCPVC compound:Class 1 2 4 5 4Identification:Poly(vinyl chloride) homopolymerProperty and Minimum Value:

    23、Izod(34.7 J/m (0.65 ftlbf/in.) under notchTensile strength(48.3 MPa (7000 psi)Modulus of elasticity in tension(2758 MPa (400 000 psi)Deflection temperature under load(70C (158F)NOTE 6The cell-type format provides the means for identification andclose characterization and specification of material pr

    24、operties, alone or incombination, for a broad range of materials. This type format, however, issubject to possible misapplication since unobtainable property combina-tions can be selected if the user is not familiar with commercially availablematerials. The manufacturer should be consulted.4.3 Produ

    25、ct application chemical resistance when specifiedshall be classified in accordance with the classification sectionof Classification D5260.5. Ordering Information5.1 The purchase order, or inquiry, for these materials shallstate the specification number and identify the class selected,for example, D1

    26、784, Class 12454.5.2 Further definition, as may be required for the following,shall be on the basis of agreement between the purchaser andthe seller:5.2.1 Physical form and particle size (see 6.1),5.2.2 Contamination level (see 6.2),5.2.3 Color (see 6.3),5.2.4 Other supplementary definition if neces

    27、sary, and5.2.5 Inspection (see 12.1).6. Materials and Manufacture6.1 Materials supplied under this specification shall be PVCand CPVC compounds in the form of cubes, granules, free-flowing powder blends, or compacted powder blends.6.2 Materials shall be of uniform composition and size andshall be fr

    28、ee of foreign matter to such level of contamination asmay be agreed upon between the purchaser and the seller.6.3 Color and transparency or opacity of molded or ex-truded articles formed under the conditions recommended bythe seller shall be comparable within commercial matchtolerances to the color

    29、and transparency or opacity of standardmolded or extruded samples of the same thickness supplied inadvance by the seller of the material.7. Physical Requirements Physical Requirements7.1 Test values for specimens of the material prepared asspecified in Section 9 and tested in accordance with Section

    30、 10shall conform to the requirements given in Table 1 for the classselected.8. Sampling8.1 A batch or lot shall be considered as a unit of manufac-ture and may consist of a blend of two or more production runsof material.8.2 Sample using a statistically acceptable procedure.9. Conformance Testing9.1

    31、 The minimum properties identified by the class desig-nations in Table 1 specified in the purchase order (see 5.1) shallbe verified by the tests described in Section 11.9.2 Conformance with this specification shall be determinedwith one set of test results. If there are multiple test results, theave

    32、rage value for all test samples shall be used to determineconformance.9.3 If the average test value produces values below theminimum property values of the Class designation in Table 1,the material does not conform to this specification.10. Specimen Preparation10.1 Compliance with the designated req

    33、uirements chosenfrom Table 1 shall be determined with compression-molded,extruded, or injection-molded test specimens for Izod impactresistance, tensile strength, tensile modulus of elasticity, de-flection temperature under load, and flammability. Specimenscut from laminates of compression-molded or

    34、 extruded sec-tions (see Practice D4703) shall not be used unless it can beshown by test that complete fusion is obtained. It is understoodthat a material shall not be tested without also specifying themethod of specimen preparation. When comparative tests ofmaterials are desired, the greatest care

    35、shall be taken to ensure3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.D1784 112that all specimens are prepared in exactly the same way used tocertify the cell class of the compound. Procedures used inpreparing the test

    36、specimens shall be as recommended by thesupplier for each specific compound.NOTE 7It is possible that a specimen taken from a finished productwill not produce the same results as a specimen prepared by the methodused for purposes of cell class testing and certification.11. Test Methods11.1 Condition

    37、ingThe test specimen for deflection tem-perature (Test Method D648) shall be conditioned in accor-dance with Procedure B of Practice D618, except that theminimum conditioning time in the circulating air oven shall be24 h. All other molded test specimens shall be conditioned inaccordance with Procedu

    38、re A of Practice D618. The minimumconditioning time shall be 24 h.11.2 Test ConditionsUnless otherwise specified in the testmethods or in this specification, tests shall be conducted in thestandard laboratory atmosphere of 23 6 2C (73.4 6 3.6F)and 50 6 5 % relative humidity. In cases of disagreement

    39、, thetolerances shall be 61C (61.8F) and 62 % relative humid-ity.11.3 Tensile Strength and Modulus of ElasticityTestMethod D638, using Type I specimens of 3.2 6 0.4 mm (0.136 0.02 in.) thickness and testing speed of 5.1 mm (0.20in.)/min 6 25 %. Report tensile strength at the yield point if themateri

    40、al yields, otherwise at break.11.4 Impact Resistance (Izod)Method A of Test MethodD256, using 3.2-mm (0.125-in.) thick specimens. The speci-mens may be compression-molded, extruded, or injection-molded with the provision that compression-molded or ex-truded specimens built up as laminates in which c

    41、ompletefusion is obtained shall be acceptable. Complete fusion meansthere shall be no evidence of fraying or delamination at thebreak.11.5 Deflection TemperatureTest Method D648MethodA- using 127 mm (5 in.) long, 12.5 mm (0.5 in.) wide, and 3.2mm (0.125 in.) thick specimens under 1.82 MPa (264 psi)

    42、fiberstress. Materials that require high-temperature annealing priorto testing shall be annealed at 50C (122F) for 24 h or at themanufacturers recommendation. Specimens shall be cooled inaccordance with Procedure B of Practice D618. The test reportfor annealed specimens shall include the time and te

    43、mperatureof annealing used.11.6 FlammabilityTest Method D635. All compoundscovered by this specification, when tested in accordance withTest Method D635, shall yield the following results: averageextent of burning of 25 mm; average time of burning of 10s.12. Inspection12.1 Inspection of the material

    44、 shall be made as agreed uponbetween the purchaser and the seller as part of the purchasecontract.13. Packaging and Package Marking13.1 PackagingThe material shall be packaged in stan-dard commercial containers, so constructed as to ensureTABLE 1 Class Requirements for Rigid Poly(Vinyl Chloride) (PV

    45、C) and Chlorinated Poly(Vinyl Chloride) (CPVC) CompoundsNOTE 1The minimum property value will determine the cell number although the maximum expected value may fall within a higher cell.Desig-nationOrderNo.Property and UnitCell Limits0 1 2 3 4567891011 Base resin unspecified poly(vinylchloride)homo-

    46、polymerchlorinatedpoly(vinylchloride)vinyl co-polymer2 Impact resistance(Izod), min:J/m of notchunder notchunspecified 34.7 34.7 80.1 266.9 533.8 800.7ftlb/in. of notchunder notch0.65 0.65 1.5 5.0 10.0 15.03 Tensile strength,min:MPa unspecified 34.5 34.5 41.4 48.3 55.2psi 5 000 5 000 6 000 7 000 8 0

    47、004 Modulus ofelasticity intension, min:MPa unspecified 1930 1930 2206 2482 2758 3034psi 280 000 280 000 320 000 360 000 400 000 440 0005 Deflectiontemperatureunder load, min,1.82 MPa(264 psi):C unspecified 55 55 60 70 80 90 100 110 120 130 140F 131 131 140 158 176 194 212 230 251 266 284Flammabilit

    48、yA A A A A A A AAAAAAAll compounds covered by this specification, when tested in accordance with Test Method D635, shall yield the following results: average extent of burning of 25 mm;average time of burning of 10 s.D1784 113acceptance by common or other carriers for safe transportationat the lowes

    49、t rate to the point of delivery, unless otherwisespecified in the contract or order.13.2 MarkingUnless otherwise agreed upon between thepurchaser and the seller, shipping containers shall be markedwith the name of the material and the name of the manufac-turer; class, batch, or lot number; quantity contained therein, asdefined by the contract or order under which shipment is made;the name of the seller; and the number of the contract or order.13.3 All packing, packaging, and marking provisions ofPractice D3892 shall apply to this specification


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