1、Designation: D6713 14Standard Specification forExtruded and Compression Molded Shapes Made fromPoly(Vinylidene Fluoride) (PVDF)1This standard is issued under the fixed designation D6713; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revisi
2、on, 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.1. Scope*1.1 This specification covers the requirements and testmethods for the material, dimensions, and workmans
3、hip, andthe properties of extruded sheet, rod and tubular bar manufac-tured from PVDF.1.2 The properties included in this specification are thoserequired for the compositions covered. Requirements neces-sary to identify particular characteristics important to special-ized applications are described
4、by using the classificationsystem given in Section 4.1.3 This specification allows for the use of recycled plastics(as defined in Guide D7209).1.4 The values stated in English units are to be regarded asthe standard in all property and dimensional tables. Forreference purposes, SI units are also inc
5、luded in Tables X andS-PVDF only.1.5 The following precautionary caveat pertains only to thetest method portions of this specification. This standard doesnot purport to address all of the safety concerns, if any,associated with its use. It is the responsibility of the user of thisstandard to establi
6、sh appropriate safety and health practicesand determine the applicability of regulatory requirementsprior to use.NOTE 1There is no similar or equivalent ISO standard. ISO 12086-1and ISO 12086-2 have pertinent information.2. Referenced Documents2.1 ASTM Standards:2D256 Test Methods for Determining th
7、e Izod PendulumImpact Resistance of PlasticsD618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD883 Terminology Relating to Plastics
8、D1600 Terminology forAbbreviated Terms Relating to Plas-ticsD3222 Specification for Unmodified Poly(Vinylidene Fluo-ride) (PVDF) Molding Extrusion and Coating MaterialsD3892 Practice for Packaging/Packing of PlasticsD4000 Classification System for Specifying Plastic Materi-alsD7209 Guide for Waste R
9、eduction, Resource Recovery, andUse of Recycled Polymeric Materials and Products3. Terminology3.1 Definitions:3.1.1 regrind (plastic), na product or scrap such as spruesand runners that have been reclaimed by shredding andgranulating for use in-house.3.1.2 For definitions of other technical terms pe
10、rtaining toplastics used in this specification, see Terminology D883 orGuide D7209.3.2 Definitions of Terms Specific to This Standard:3.2.1 recycled-plastic shape, na product made from up to100 % post-consumer material.3.2.2 rod, nan extruded solid cylindrical shape with aminimum diameter of116 in.3
11、.2.3 sheet, nflat stock greater than and including 0.010in. thickness.3.2.4 tubular bar, nextruded annular shapes with mini-mum inside diameter of116 in., and a minimum wall of14 in.3.2.5 unmodified virgin plastic shape, na product pro-duced from virgin plastic, as furnished by a manufacturer, withn
12、o additives or processing aids.4. Classification and Material4.1 Product shape and size as defined in the applicablepurchase order.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.15 on ThermoplasticMaterials.Current
13、edition approved May 1, 2014. Published May 2014. Originallyapproved in 2001. Last previous edition approved in 2009 as D6713 - 01(2009).DOI: 10.1520/D6713-14.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of
14、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 States14.2 This specification
15、covers product extruded and compres-sion molded as listed in Table S-PVDF. Products included inthe designations reference Specification D3222 callouts whereapplicable.4.2.1 The type of PVDF shape product shall be categorizedby type, grade and class depending on resin and filler compo-sitions as defi
16、ned in Table S-PVDF.4.2.2 Each type of shape shall be categorized into one ofseveral grades as follows:4.2.2.1 Grade 1Unmodified VirginExtruded or com-pression molded product made using only 100 % virgin PVDFmaterial.4.2.2.2 Grade 2General PurposeExtruded or compres-sion molded product made using up
17、 to 20 % PVDF regrinddeveloped during internal processing steps is allowed.4.2.2.3 Grade 3RecycledExtruded or compressionmolded product made using up to 100 % recycled PVDF resin.4.3 The type, class and grade is further differentiated basedon dimensional stability (elevated temperature excursion tes
18、t),Table S-PVDF, and dimensional requirements, Tables A and B.4.4 Property Tables:4.4.1 Table S-PVDF (where S indicates this is a shape table)shall be used to describe both extruded or compression moldedproducts.4.4.2 Table X is intended to be used to describe bothextruded or compression molded prod
19、ucts not included inTable S-PVDF via a cell callout that includes the applicableTable S-PVDF type and specific properties (Designations 1-7).4.4.3 To facilitate the incorporation of future or specialmaterials not covered by Table S-PVDF, the “as specified”category (00) for type, class and grade is s
20、hown in the tablewith the basic properties to be obtained from Table X, as theyapply.4.4.4 Reinforcements and Additive MaterialsA symbol(single-letter) will be used for the major reinforcement orcombination, or both, along with two numbers that indicate thepercentage of addition by mass with the tol
21、erance as tabulatedbelow. This must be included in all Table X callouts.Symbol Material Tolerance (Based onthe Total Mass)C Carbon and graphite fiberreinforced2 %G Glass-reinforced15 % glass content2 %3 %L Lubricants (for example,PTFE, graphite, and silicone)by agreement betweenthesupplier and the u
22、serM Mineral 2 %R Combinations of reinforcementsor fillers, or both3 % for the totalreinforcement4.5 Callout DesignationAone-line system shall be used tospecify PVDF materials covered by this specification. Thesystem uses predefined cells to refer to specific aspects of thisspecification as illustra
23、ted below:4.5.1 Examples:4.5.1.1 Example 1Product made from unfilled virginPVDF:CELL CALLOUT: S-PVDF0111where:S-PVDF01 = product made from PVDF in accordance withTable S-PVDF,1 = unfilled virgin class, and1 = general purpose grade product.4.5.1.2 Example 2Product made from 10 % carbon fiberblended w
24、ith unmodified virgin PVDF resin:CELL CALLOUT: S-PVDF0100C10X3454430where:S-PVDF0100 = product made from PVDF in accordancewith Table S-PVDF,C10 = 10 % carbon fiber,X = Table X properties,3 = tensile strength (10,000 psi),4 = elongation at break (10 %),5 = tensile modulus (500,000 psi),4 = dimension
25、al stability (0.4 %),4 = flexural modulus (550,000 psi),3 = Izod impact (1.0 ft-lb/in of notch), and0 = unspecified.4.5.2 These two examples illustrate how an on-line, alpha-numeric sequence identifies the product composition, commer-cial parameters and physical characteristics of extruded orcompres
26、sion molded product. A space must be used as aseparator between the specification number and the typedesignation. No separators are needed between type, class andgrade. When special notes are to be included, such informationmust be preceded by a comma. Special tolerances must benoted at the time of
27、order and are inserted after the grade inparenthesis and preceded by a comma.5. Property Requirements5.1 The physical property values listed within this specifi-cations tables are to be considered minimum specificationvalues. Any requirement for specific test data for a givenproduction lot must be s
28、pecified at the time of order. Physicalproperties for products not yet included in Table S-PVDF shallbe specified using Table X for extruded or compression moldedproducts.6. Dimensional Requirements6.1 The type, class and grade is differentiated based ondimensional stability (elevated temperature ex
29、cursion test),Table S-PVDF and dimensional requirements, Tables A and B.Products shall be produced within commercial tolerances andwith the lowest stress levels for machined parts as delineated inTablesAand B for extruded and compression molded products.6.2 Tubular bar dimensions shall be supplied i
30、n the unfin-ished condition, unless otherwise specified at time of ordersufficient to finish to the nominal dimension ordered.6.3 The maximum allowable camber or bow, or both, shallbe within the limits referenced in Tables A and B.7. Workmanship, Finish, and Appearance7.1 AppearanceThe color of prod
31、ucts shall be as pub-lished by the shapes manufacturer. They shall be uniform inD6713 142color throughout the thickness. Specific colors and color-matching only agreed to by order. It is possible for physicalproperties to be affected by colors.7.2 FinishAll products shall be free of blisters, wrinkl
32、es,cracks, gouges and defects that restrict commercial use of theproduct. A special surface finish shall be supplied only whenspecified in the purchase order or contact.7.3 DefectsAll products shall be free of voids, dirt,foreign material and embedded particles exceeding132 in.maximum diameter as de
33、fined in 7.3.1.7.3.1 The criteria for determining internal cleanliness shallbe external visual inspection. A maximum number of twointernal defects per square foot of sheet and one foot length ofrod and tubular bar shall be allowed. Clusters of defects lessthan132 in. diameter are to be counted as a
34、single defect.8. Sampling8.1 Sampling shall be statistically adequate to satisfy therequirements of this specification as applicable.8.2 For purposes of sampling, an inspection lot for exami-nation and tests shall consist of all material of the same type,class, grade, and nominal size submitted for
35、inspection at onetime.9. Number of Tests9.1 Routine lot inspection shall consist of all criteria speci-fied in the applicable product tables.9.2 The criteria listed in these product tables and definitionsare sufficient to establish conformity of the sheet, rod or tubularbars to this specification. W
36、hen the number of test specimensis not stated in the test method, a single determination issufficient. If more than single determinations and separateportions of the same sample are made, the results shall beaveraged. The final result shall conform to the requirementsprescribed in this specification
37、.10. Test Conditions10.1 Conditioning of SpecimensCondition the test speci-mens in accordance with Procedure A of Practice D618.Conditioning time is specified as a minimum. Temperature andhumidity tolerances shall be in accordance with the Require-ments for Conditioning Atmospheres section of Practi
38、ce D618.10.2 Standard TemperatureConduct the tests at the sametemperature and humidity used for conditioning with toler-ances in accordance with the Requirements for ConditioningAtmospheres section of Practice D618.11. Test Methods11.1 Test tensile strength at break, and tensile modulus(tangent) in
39、accordance with Test Method D638, at the rate of0.2 in./min.11.1.1 Test all plate specimens in accordance with Type I ofTest Method D638.11.1.2 Test all rod specimens in accordance with TestMethod D638.11.2 Dimensional Stability:11.2.1 Specimen Preparation (A Minimum of Three TestSamples Required).1
40、1.2.1.1 Rods and Tubular BarPrepare each specimen bycutting a 1.5 in. long slice using a coolant and good machiningpractices to a length of 1.000 6 0.005 in. Each end of thespecimen shall have machined surfaces.11.2.1.2 PlateEach specimen shall consist ofa2in.diameter disc machined from the flat (di
41、ameter shall equal testspecimen thickness with a minimum of 2.0 in.). The same careshall be used in the machining as described in 11.2.1.1. Thethickness of the specimen shall be that of the original flat fromwhich it was cut, no machining being done on the top orbottom faces.11.2.2 Testing Procedure
42、Measure the outside diameterand thickness of the specimen as applicable at 73.4 6 1.8F (236 1C) to the nearest 0.0001 in. All measurements shall bedone on the centerline and 90 degrees from the centerline forplate. Also take measurements for thickness halfway to center,and for diameter at mid-point.
43、 Place the specimen in a bathconsisting of polyalkene glycol or an air circulating ovenheated to 280 6 5F (121 6 3C). After 6 h, allow thespecimen to slowly cool to room temperature at a rate not toexceed 40F (22C)/h. Measure the specimen at 73.4 6 1.8F(23 6 1C) and calculate the percent change in e
44、ach dimen-sion.11.3 Lengthwise Camber and Widthwise Bow:11.3.1 Make all measurements for camber and bow usingthe maximum distance rod, sheet or plate deviates from thestraight line extended from edge to edge when measured inaccordance with 11.3.2. The shape shall be oriented such thatthe weight of t
45、he product does not influence the results.11.3.2 Rod and Plate:11.3.2.1 RodLay rod on its side and measure it withconcave side facing a straight edge. Measure camber from thestraight edge to the maximum concave point on the rod.Camber is not to exceed the values of Table A.11.3.2.2 PlatePlate shall
46、not exceed the requirements ofTable B on the lengthwise ends and widthwise edges when laidon a flat surface (crown side up).11.4 Squareness (Based ona4ftNominal Length):11.4.1 Measure and compare diagonal lengths (corner tocorner). Accept the product if the difference is116 in. or lessand the measur
47、ed minimums diagonal meets the followingrequirements:11.4.1.1 1 ft wide is 4912 in. minimum.11.4.1.2 2 ft wide is 5334 in. minimum.11.4.1.3 4 ft wide is 68 in. minimum.11.4.2 If the diagonal difference exceeds116 in., proceed tomeasure the gap (that is, the deviation froma2ftsquare). Themaximum allo
48、wable gap shall not exceed18 in. except for the1 ft wide sizes of sheet and plate for which the maximumallowable gap shall not exceed116 inch.11.5 Test flexural modulus in accordance with Test MethodD790, specimen14 in. thick maximum, testing speed 0.11in./min.D6713 14311.6 Test Izod impact in accor
49、dance with Test MethodD256, Method A, Fig 4, notched,14 in. thick maximumspecimen.12. Certification12.1 When requested at the time of order, the purchasershall be furnished a certification that the lot is made from therequired PVDF plastic (percent recycle, if applicable) andmeets the requirements of this specification.13. Packing, Packaging and Package Materials13.1 All packing, packaging and marking provisions ofPractice D3892 shall apply to this specification.14. Ordering Information14.1 All shapes covered by this specificati
