1、Designation: D4216 17Standard 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 oforigi
2、nal 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.This standard has been approved for use by agencies of the U.S. Department o
3、f Defense.1. Scope*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. Th
4、e compound-ing ingredients 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
5、 products. It is acceptable to determine physicalproperties by evaluating compounds of any color.NOTE 1Two 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 provide
6、the basis for agreement between 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 tofini
7、shed building products.1.4 It 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 tes
8、t for identification ofcertain properties 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
9、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, health, andenvironmental practices an
10、d determine the applicability ofregulatory limitations prior to use.NOTE 2There 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 c
11、onsideredas requirements of this standard.1.9 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 intern
12、ational 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) Co
13、mmittee.2. Referenced Documents2.1 ASTM Standards: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 Me
14、thod for Tensile Properties of PlasticsD648 Test Method 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 (
15、Section D20.15.08).Current edition approved Dec. 1, 2017. Published January 2018. Originallyapproved in 1983. Last previous edition approved in 2013 as D4216 13. DOI:10.1520/D4216-17.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.
16、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 Conshohocken, PA 19428-2959. United States
17、This 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
18、 (TBT) Committee.1D696 Test Method for Coefficient of Linear Thermal Expan-sion of Plastics Between 30C and 30C with a VitreousSilica DilatometerD883 Terminology Relating to PlasticsD1435 Practice for Outdoor Weathering of PlasticsD1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3892 Pra
19、ctice for Packaging/Packing of PlasticsD4226 Test Methods for Impact Resistance of Rigid Poly-(Vinyl Chloride) (PVC) Building ProductsD5260 Classification for Chemical Resistance of Poly(VinylChloride) (PVC) Homopolymer and Copolymer Com-pounds and Chlorinated Poly(Vinyl Chloride) (CPVC)Compounds3.
20、Terminology3.1 Definitions:3.1.1 GeneralDefinitions are in accordance with Termi-nology D883 and Terminology D1600, unless otherwise indi-cated.3.2 Definitions of Terms Specific to This Standard:3.2.1 temperate northern climatein weather testing, aNorth American metropolitan area testing site locate
21、d within73 to 100W longitude and 37 to 45N latitude.4. Classification4.1 The means for classifying and identifying rigid PVCbuilding products compounds are provided in Table 1. Theproperties enumerated in this table and the tests defined areexpected to provide identification of the compounds selecte
22、d.They are not necessarily suitable for direct application indesign because of differences in shape of part, size, loading,environmental conditions, etc.4.2 Classes are designated by the cell number for eachproperty in the order in which they are listed in Table 1.NOTE 3Because of the large number o
23、f property requirements, theproperties of classes are divided into groups for easy identification of theselected materials. The groups are the following: kind of resin incompound, strength properties, and dimensional stability. The classnumbers are grouped as shown by the following example:NOTE 4The
24、 manner in which selected materials are identified by thisclassification system is illustrated by a Class 1-32021-22 PVC buildingproducts compound having the following requirements (see Table 1):NOTE 5The cell-type format provides the means for classification andclose characterization and specificat
25、ion of material properties, 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 c
26、onsulted.TABLE 1 Class Requirements for Rigid Poly(Vinyl Chloride) and Related PVC and CPVC Compounds for Building ProductsNOTE 1The minimum property value will determine the cell number, although it is possible that the maximum expected values may fall within thenext higher cell.DesignationOrder No
27、.Property and UnitCell Limits012345671 Kind of resin in compound Unspecified poly(vinylchloride)(PVC)chlorinatedpoly(vinylchloride)(CPVC)vinyl chloridecopolymervinyl chlorideblend2 Impact resistance, J/m of notch(ft lbf/in. of notch)Unspecified 34.7 53.4 107 267(0.65) (1.0) (2.0) (5.0)3 Impact resis
28、tance, drop dart,Procedure A, Test MethodD4226, J/m (in.-lb/mil)Unspecified 4450 6675 8900 13 350(1.0) (1.5) (2.0) (3.0)4 Impact resistance, drop dart,Procedure B, Test MethodD4226, J/m (in.-lb/mil)Unspecified 4450 6675 8900 13 350(1.0) (1.5) (2.0) (3.0)5 Tensile strength, MPa (psi) Unspecified 34 3
29、7.7 41.4 44.9 48.3(5000) (5500) (6000) (6500) (7000)6 Modulus of elasticity in tension,MPa (psi)Unspecified2000 2400 2600 2800(290 000) (348 000) (377 000) (406 000)7 Deflection temperature underload, 1.82 MPa (264 psi) C(F)Unspecified 60 65 70 75 80 85(140) (149) (158) (167) (176) (185)8 Coefficien
30、t of linear expansion,cm/cm/C (in/in/F)Unspecified 4 1056105810510105(2.2 105) (3.3 105) (4.4 105) (5.5 105)D4216 1724.3 Product application chemical resistance when specifiedshall be classified according to the Classification Section ofClassification D5260.5. Ordering Information5.1 The purchase or
31、der, or inquiry, for these materials shallstate this specification number and identify the class selected;for example, D4216, Class 1-32021-22.5.2 Further definition, as potentially required for thefollowing, shall be on the basis of agreement between thepurchaser and the seller.5.2.1 Physical form
32、and particle size (see 6.2 and 6.3).5.2.2 Contamination level (see 6.4).5.2.3 Other supplementary definition, if necessary.6. Materials and Manufacture6.1 Resin (Polymer) Requirements:6.1.1 Poly(vinyl chloride) (PVC) resin (polymer) meetingCell 1 in Designation Order 1 shall have a polymerized vinyl
33、chloride content not less than 99.0 %.6.1.2 Unless otherwise stated, vinyl chloride copolymerresin (polymer) meeting Cell 3 in Designation Order 1 shallcontain not less than polymerized 80 % vinyl chloride content.6.1.3 Vinyl chloride resin (polymer) blends with non-PVCpolymers meeting Cell 4 of Des
34、ignation Order 1 shall have notless than 50 % PVC content.6.2 Materials supplied under this specification shall be PVCcompound in the form of cubes, pellets, granules, free-flowingpowder blends, or compacted powder blends.6.3 Materials shall be of uniform composition and size.6.4 Materials shall be
35、free of foreign matter to a level that isnot expected to affect processability, serviceability, or finishedproduct appearance adversely.6.5 Color and transparency or opacity of molded or ex-truded articles formed under the conditions recommended bythe seller shall be comparable, within commercial ma
36、tchtolerances, to the color and transparency or opacity of standardmolded or extruded samples of the same thickness supplied inadvance by the seller of the material.7. Sampling7.1 A batch or lot shall be considered as a unit of manufac-ture and is permitted to consist of a blend of two or moreproduc
37、tion runs of material.7.2 Samples shall be taken from either a product or processin statistical control.8. Physical Requirements8.1 Test values for specimens of the material prepared asspecified in Section 10 and tested in accordance with Section11 shall conform to the requirements given in Table 1
38、for theclass selected.8.2 The compound, when tested in accordance with TestMethod D635, shall not exceed an average extent of burn of100 mm (4 in.) with an average time of burn not to exceed 10s. A sample thickness of 1 mm (0.040 in.) 6 10 % is recom-mended.8.3 StabilityThe compound shall be adequat
39、ely stabilizedagainst thermal degradation without sacrificing weatheringperformance.NOTE 6The type and amount of stabilizer may vary with thecompound formulation, the equipment on which the compound isprocessed, the temperatures during processing steps, and the amount ofregrind (reworked) material o
40、r rigid PVC recycled plastic employed. Todate, no test procedure has been found that is suitable for use inspecifications of this type. Research methods that vary among laboratoriesand that have not been amenable to standardization are used.8.4 WeatherabilityThe compound shall be stabilized ad-equat
41、ely against changes in color, physical properties, andappearance due to weathering.8.4.1 New compounds and compounds for new applicationsshall demonstrate minimal color, physical property, and ap-pearance change when tested in accordance with 11.8.9. Conformance Testing9.1 The minimum properties ide
42、ntified 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 for each batch or lot. If there aremultiple test results, the average
43、value for all test samples shallbe used to determine conformance.9.3 If the average test value for a lot produces values belowthe minimum property values of the Class designation in Table1, the material does not conform to this specification.10. Specimen Preparation10.1 Compliance with the designate
44、d requirements 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 coefficient of linearexpansion. Specimens cut from laminates o
45、f compression-molded sections shall not be used unless it is shown by test thatcomplete fusion is obtained. Specimens cut from flat extrudedprofile samples shall be used for dropped dart impact andweatherability tests. It is understood that a material shall not betested without also specifying the m
46、ethod of specimen prepa-ration. When comparative tests of materials are desired, thegreatest care shall be taken to ensure that all specimens areprepared in exactly the same way used to certify the cell classof the compound. Procedures used in preparing the testspecimens shall be as recommended by t
47、he supplier for eachspecific 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 ConditioningCondition the test specimen for def
48、lec-tion temperature (Test Method D648) in accordance withProcedure B of Practice D618, except that the minimumD4216 173conditioning time in the oven shall be 24 h. Condition all othertest specimens in accordance with Procedure A of PracticeD618. The minimum conditioning time shall be 24 h.11.2 Test
49、 ConditionsUnless otherwise specified in thetesting methods or in this specification, conduct tests in theStandard Laboratory Atmosphere of 23 6 2C (73 6 4F) and50 6 10 % relative humidity. In cases of disagreement, thetolerances shall be 61C (62F) and 65 % relative humidity.11.3 Impact Resistance (Izod)Method A of Test MethodsD256, using 3.2-mm (0.125-in.) thick specimens. It is accept-able for the specimens to be compression molded, injectionmolded, o
