1、Designation:D626398 (Reapproved 2003) Designation: D6263 11Standard 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
2、 indicates the year oforiginal 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.INTRODUCTIONThis specification is intended to be
3、a means of calling out mechanical grade plastic product used inthe fabrication of end items or parts.1. Scope1.1 This specification covers requirements and test methods for the material, dimensions, and workmanship, and the propertiesof extruded shapes of rods and bars made from poly(vinyl chloride)
4、 (PVC), and chlorinated poly(vinyl chloride) (CPVC).1.2The properties included in this specification are those required for the compositions covered. Requirements necessary toidentify particular characteristics important to specialized applications may be described by using the classification system
5、 givenin Section1.2 The properties included in this specification are those required for the compositions covered. Use the classification systemgiven in Section4.todescribe requirements necessary to identify particular characteristics important to specialized applications.1.3 This specification allo
6、ws for the use of regrind and recycled plastics as defined in Guide D5033 D7209 providing: productsproduced from regrind or recycled PVC material can be shown to meet the requirements of this standard with regard to materialclassification, physical performance, dimensions and workmanship; and the re
7、grind or recycled plastics used have not beensubjected to severe environments in post consumer applications (such as chemical service) which could adversely affect the endproducts performance when subjected to machining or critical applications or both.1.4 The values are stated in inch-pound units a
8、nd are regarded as the standard in all property and dimensional tables. Forreference purposes, SI units are also included in Table 1 only.1.5 The following safety hazards caveat pertains only to the test method portions section of this specification: This standarddoes not purport to address all of t
9、he safety concerns, if any, associated with its use. It is the responsibility of the user of thisstandard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.NOTE1There is no similar or equivalent ISO standard. 1There is no know
10、n ISO equivalent to this standard.2. Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining the Izod Pendulum Impact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Propertie
11、s of Unreinforced and Reinforced Plastics and Electrical Insulating MaterialsD883 Terminology Relating to PlasticsD1784 Specification for Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC)CompoundsD3892 Practice for Packaging/Packing of PlasticsD4000Classification
12、 System for Specifying Plastic Materials1This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.15 on Thermoplastic Materials.Current edition approved March 10, 2003. Published May 2003. Originally approved in 1998. Last pr
13、evious edition approved in 1998 as D6263-98. DOI:10.1520/D6263-98R03.on Plastics and is the direct responsibility of Subcommittee D20.20 on Plastic Lumber (Section D20.20.02).Current edition approved Feb. 1, 2011. Published February 2011. Originally approved in 1998. Last previous edition approved i
14、n 2003 as D6263 - 98(2003). DOI:10.1520/D6263-11.2For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.1This docu
15、ment is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as
16、appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.D5033Guide for Development of ASTM Standards Relating to
17、Recycling and Use of Recycled Plastics 7209 Guide for WasteReduction, Resource Recovery, and Use of Recycled Polymeric Materials and Products2.2 ANSI Standard:Z1.4-1993 Sampling Procedures and Tables for Inspection by Attributes32.3 NSF Standard:NSF Standard 6143Available from American National Stan
18、dards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.org.4Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd., Ann Arbor, MI 48113-0140, http:/www.nsf.org.D6263 1123. Terminology3.1 Definitions:3.1.1 For definitions of other technical terms pertaini
19、ng to plastics used in this specification, see Terminology D883 or GuideD5033D7209.3.1.2 regrind plastic, na product or scrap such as sprues and runners and edge trim that have been reclaimed by shreddingand granulating for use in-house.3.2 Definitions of Terms Specific to This Standard:3.2.1 rod, n
20、an extruded solid cylindrical shape with a minimum diameter of18 in. (3.2 mm).3.2.2 tubular bar, nan extruded annular shape with minimum inside diameter of38 in. (9.5 mm) and minimum wall thicknessof116 in. (1.6 mm).4. Classification and Material4.1 Product shape and size as defined in the applicabl
21、e purchase order.4.2 This specification covers extruded product as listed in Tables S-PVC-I and S-PVC-II. Products included in the designationsreference Specification D1784 callouts where applicable.4.2.1The 4.2.1 Categorize the type of poly(vinyl chloride), and chlorinated poly(vinyl chloride) shap
22、e product may becategorized by type, grade, and class depending on resin composition as defined in Table S-PVC-II.4.3 The type, class and grade is further differentiated based on dimensional stability (elevated temperature excursion test). SeeTable S-PVC-II and dimensional requirements, Table A.4.4
23、Property Tables:4.4.1 Use Tables S-PVC-I and S-PVC-II may be used to describe extruded products.4.4.2 Use Table 1 may also be used to describe extruded products not included in Table S-PVC-I or S-PVC-II via a cell calloutthat includes the applicable material type and specific properties (Designation
24、s 1 through 7).4.4.3 To facilitate the incorporation of future or special materials not covered by Tables S-PVC-I and S-PVC-II, the “asspecified” category (00) for type, class and grade is shown in the applicable table with the basic properties to be obtained fromTable 1 as they apply.4.5 Callout De
25、signationA one-line system shall be used to specify poly(vinyl chloride), or chlorinated poly(vinyl chloride)materials covered by this specification. The system uses pre-defined cells to refer to specific aspects of this specification asillustrated below:4.5.1 Examples:4.5.1.1 Example 1Product made
26、from general purpose poly(vinyl chloride):CELL CALLOUT: S-PVC0111S-PVC01 = Product made from PVC in accordance with TableS-PVC-I and Table S-PVC-II1 = Unfilled class1 = General purpose grade productD6263 1134.5.1.2 Example 2Product made from general purpose chlorinated poly(vinyl chloride):CELL CALL
27、OUT: S-CPVC0211S-PVC02 = Product made from CPVC in accordance withTables S-PVC-I and S-PVC-II1 = Unfilled class1 = General purpose grade product4.5.2 These two examples illustrate how a one-line, alpha-numeric sequence can identify the product composition, commercialparameters and physical character
28、istics of extruded product. A space must be used as a separator between the specification numberand the type designation. No separators are needed between type, class, and grade. When special notes are to be included, suchinformation shouldshall be preceded by a comma. Special tolerances must be not
29、ed at time of order and are inserted after the gradein parenthesis and preceded by a comma. Note2The4.5.2.1 The material used in the manufacture of PVC and CPVC shapes intended for contact with or the transport of potablewater, or both, must be evaluated and certified as safe for this purpose by a t
30、esting agency acceptable to the local health authority.The evaluation shall be in accordance with the requirements for chemical extraction, taste, and odor, that are no less restrictive thanthose included in the National Sanitation Foundation (NSF) Standard 61.5. Ordering Information5.1 All shapes c
31、overed by this specification shall be ordered using the proper callout designation (see 4.5).6. Physical Property Requirements6.1 The physical property values listed within this specifications tables are to be considered minimum specification values.Anyrequirement for specific test data for a given
32、production lot shall be specified at the time of order. Physical Use Table 1 to specifyphysical properties for extruded products not yet included in Table S-PVC-I or S-PVC-II may be specified by using Table 1 forextruded products. S-PVC-II.7. Dimensional Requirements7.1 The type, class, and grade is
33、 differentiated based on dimensional stability (elevated temperature excursion test) as indicatedin Table S-PVC-II.7.2 Products shall be produced within the commercial tolerances and with the lowest stress levels for machined parts asdelineated in Table A.7.3 Tubular bar dimensions shall be supplied
34、 in the unfinished condition, unless otherwise specified at time of order, sufficientto finish to the nominal dimensions ordered.7.4 The maximum allowable camber at final inspection at the factory shall be within the limits referenced in Table A.8. Workmanship, Finish and Appearance8.1 AppearanceThe
35、 resin material color for poly(vinyl chloride) shall be dark gray. The resin material color for chlorinatedpoly(vinyl chloride) shall be light gray. All shapes shall be uniform in color throughout the thickness. Specific colors and colormatching only as agreed to by order.8.1.1 PIt is possible that
36、physical properties maywill be affected by other colors. Regardless of color, minimum properties of4.4 must be met.8.2 FinishAll products shall be free of blisters, wrinkles, cracks, gouges and defects that restrict commercial use of theproduct. Special surface finish shall be supplied only when spe
37、cified in the purchase order or contract.8.3 DefectsAll products shall be free of visual voids, dirt, foreign material and embedded particles exceeding 0.040 in. (1 mm)maximum diameter as defined in 8.3.18.3.1 The criteria for determining the cleanliness shall be external visual inspection.Amaximum
38、number of two defects per onefoot length of rod and tubular bar are allowed. Clusters of defects less than 0.040 in. (1 mm) diameter are to be counted as a singledefect.8.4 Extrusion QualityProducts shall not flake or disintegrate when tested in accordance with the test method for degree offusion as
39、 defined in 12.6.9. Sampling9.1 Sampling shall be statistically adequate to satisfy the requirements of this specification as applicable (see ANSI Z1.4-1993).9.2 For purposes of sampling, an inspection lot for examination and tests shall consist of all material of the same type, class,grade and nomi
40、nal size submitted for inspection at one time.10. Number of Tests10.1 Routine lot inspection shall consist of all the criteria specified in the applicable product tables.10.2 The criteria listed in these product tables and definitions are sufficient to establish conformity of the shape to thisspecif
41、ication. When the number of test specimens is not stated in the test method, a single determination may be made.it isD6263 114acceptable to make a single determination. If more than single determinations and separate portions of the same sample are made,the results shall be averaged. The final resul
42、t shall conform to the requirements prescribed in this specification.11. Test Conditions11.1 Conditions of SpecimensThe specification values and dimensions are based on conditioning techniques outlined inProcedure A of Practice D61811.2 Standard TemperatureThe tests shall be conducted at the standar
43、d laboratory temperature of 73.4 6 3.6F (23 6 2C)and 50 6 5 % relative humidity.12. Test Methods12.1 Tensile stress at break, elongation at break, and tensile modulus (tangent) are in accordance with Test Method D638, atthe rate of 0.2 in. (5 mm)/min. Values obtained shall meet the requirements call
44、ed out in Table S-PVC-I.12.1.1 All rod specimens are in accordance with Test Method D638.12.2 Dimensional Stability:12.2.1 Specimen Preparation (a Minimum of Three Test Samples Required):12.2.1.1 RodsPrepare each specimen by cutting a 1.5 in. (35 mm) long slice from the shape to be tested. Machine t
45、he sliceusing a coolant and good machining practices to a length of 1.000 6 0.005 in. (25 6 0.13 mm). Each end of the specimen shallhave a machined surface.12.2.2 Testing ProcedureMeasure the outside diameter and thickness or length of the specimen as applicable at 73.4 6 1.8F(23 6 1C) to the neares
46、t 0.0001 in. (0.025 mm). All measurements shall be done on the centerline. Also take measurements forthickness halfway to center and for diameter at mid-point.12.2.2.1 Place the specimen in a bath consisting of polyalkylene glycol or an air circulating oven heated to 250 6 5F (121 63C).After 6 h all
47、ow the specimen to slowly cool to room temperature at a rate not to exceed 40F (22C)/h. Measure the specimenat 73.4 6 3.6F (23 6 2C) and calculate the percent change in each dimension.12.2.3 ReproducibilityInterlaboratory reproducibility is being determined and will be added within one year. A preci
48、sionstatement will be finalized and included within two years.12.3 Lengthwise Camber:12.3.1 Make all measurements for camber using the maximum distance rod deviates from the straight line extended from edgeto edge when measured in accordance with 12.3.2. The shape shall be oriented such that the wei
49、ght of the product doesnt influencethe results.12.3.2 Rod:12.3.2.1 RodLay each rod on its side and measure it with concave side facing a straight edge. Measure camber from thestraight edge to the maximum concave point on the rod. Camber mayshall not exceed the values of Table A.12.3.3 ReproducibilityInterlaboratory reproducibility is being determined and will be added within one year. A precisionstatement will be finalized and included within two years.12.4 Flexural modulus is in accordance with Test Method D790, specimen14 in. (1.4 mm) thick
