1、Designation: D 2673 04Standard Specification forOriented Polypropylene Film1This standard is issued under the fixed designation D 2673; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parenthe
2、ses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers oriented polypropylene (OPP)film in the thickness range from 10 to 75 m 0.4 to 3.0 mils.1.2 The film can contain colorants, s
3、tabilizers, or otheradditives, and can be coated for the improvement of perfor-mance properties (heat sealability, gas permeability, and soforth).1.3 The film can be annealed (heat-set) to reduce theunrestrained linear shrinkage and shrink tension on exposure toheat.1.4 The values stated in SI units
4、 are to be regarded as thestandard. The values given in brackets are for information only.1.5 The following safety hazards caveat pertains only to thetest methods portion, Section 7, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with it
5、s use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE 1There is no similar or equivalent ISO standard.2. Referenced Documents2.1 ASTM Standards:2D 618 Practice for C
6、onditioning Plastics for TestingD 882 Test Methods for Tensile Properties of Thin PlasticSheetingD 1003 Test Method for Haze and Luminous Transmittanceof Transparent PlasticsD 1434 Test Method for Determining Gas PermeabilityCharacteristics of Plastic Film and SheetingD 1746 Test Method for Transpar
7、ency of Plastic SheetingD 1894 Test Method for Static and Kinetic Coefficients ofFriction of Plastic Film and SheetingD 1898 Practice for Sampling of PlasticsD 1922 Test Method for Propagation Tear Resistance ofPlastic Film and Thin Sheeting by Pendulum MethodD 2457 Test Method for Specular Gloss of
8、 Plastic Films andSolid PlasticsD 2578 Test Method for Wetting Tension of Polyethyleneand Polypropylene FilmsD 2732 Test Method for Unrestrained Linear ThermalShrinkage of Plastic Film and SheetingD 2838 Test Method for Shrink Tension and OrientationRelease Stress of Plastic Film and Thin SheetingD
9、3354 Test Method for Blocking Load of Plastic Film bythe Parallel Plate MethodD 3892 Practice for Packaging/Packing of PlasticsD 3985 Test Method for Oxygen Gas Transmission RateThrough Plastic Film and Sheeting Using a CoulometricSensorD 4000 Classification System for Specifying Plastic Mate-rialsD
10、 4101 Specification for Propylene Plastic Injection andExtrusion MaterialsD 4321 Test Method for Package Yield of Plastic FilmD 5946 Test Method for Corona-Treated Polymer FilmsUsing Water Contact AngleD 6988 Guide for Determination of Thickness of PlasticFilm Test SpecimenE 96 Test Methods for Wate
11、r Vapor Transmission of Mate-rialsE 462 Test Method for Odor and Taste Transfer fromPackaging FilmF 88 Test Methods for Seal Strength of Flexible BarrierMaterials3. Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 nominal thickness, width, yieldtarget values to be asagreed upon be
12、tween the seller and the purchaser.3.1.2 oriented polypropylene (OPP) filma film yielding aminimum tensile strength of 68 MPa 10 000 psi in at leastone principal direction (machine or transverse).3.1.2.1 balanced oriented PP film (OPP-B)a film inwhich the machine- and transverse-direction tensile st
13、rengthboth exceed 68 MPa 10 000 psi, but do not differ by more1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.19 on Film andSheeting.Current edition approved September 1, 2004. Published September 2004.Originally app
14、roved in 1967. Last previous edition approved in 1999 as D 2673 -99.2For 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 w
15、ebsite.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.than 55 MPa 8000 psi, and the machine and transverseelongations do not differ by more than 60 % (absolute).3.1.2
16、.2 biaxially oriented PP film (OPP-X)a film in whichthe machine- and transverse-direction tensile strengths bothexceed 68 MPa 10 000 psi.3.1.2.3 uniaxially oriented PP film (OPP-U)a film ori-ented in one direction (machine or transverse) and yielding aminimum tensile strength of 68 MPa 10 000 psi in
17、 thedirection of orientation. (Sometimes called unbalanced.)4. General Requirements4.1 Polymer MaterialThe base polymer shall be a Group1 or 2 polypropylene (PP), as defined in Specification D 4101,or a blend of such Group 1 or 2 PP with one or more otherpolymers, provided the PP fraction is the mai
18、n component.4.2 AppearanceThe film shall be as free as commerciallyfeasible of gels, streaks, pinholes, particulate contaminants,and undispersed raw materials. There shall be no other visibledefects such as holes, tears, or blisters. The edges shall be freeof nicks and cuts visible to the naked eye.
19、 There shall be novisible evidence of damage from shipping.4.3 BlockingThe film shall not be blocked excessively.The limits for permissible blocking shall be as agreed uponbetween the seller and the purchaser.4.4 ThicknessAverage thickness shall be within 610 % ofthe nominal value.4.5 Package YieldP
20、ackage yield shall be within the fol-lowing ranges:Deviation from nominal, %Any one roll 610Up to 25 rolls 61025 to 100 rolls 66Above 100 rolls 634.6 WidthAverage width shall be within 3 + 19 mm0.12 + 0.75 in. of nominal.4.7 Length and SplicesTo be agreed upon between theseller and the purchaser.4.8
21、 Food-Packaging RequirementsFilms intended for thepackaging of food, drugs, and cosmetics shall comply with therequirements of the Federal Food, Drug, and Cosmetic Act asamended.35. Specific Requirements5.1 The film material shall comply with the definition oforiented PP film (see 3.1).5.2 For the c
22、haracterization of commercial PP film, thisspecification provides a cell classification based on six perfor-mance parameters, as defined in Table 1. Thus, each film ischaracterized by a code designation consisting of a six-digitnumber, preceded by the acronym OPP-U, OPP-X, or OPP-B.NOTE 2An example
23、of this code designation would be OPP-B101020,which identifies an untreated balanced film with high gloss and lowfriction.6. Sampling6.1 Adequate statistical sampling shall be considered anacceptable alternative.Abatch or lot of film shall be consideredas a unit of manufacture as prepared for shipme
24、nt.7. Test Methods7.1 ConditioningCondition the test specimens at 23 62C 73 6 4F and 50 6 5 % relative humidity for at least 40h, when conditioning is required. Follow Practice D 618,Procedure A. In case of disagreement, the tolerances shall be61C 62F and 62 % relative humidity.7.2 Test ConditionsCo
25、nduct the testing at 23 6 2C 736 4F and 50 6 5 % relative humidity, unless otherwisespecified in the test methods. In cases of disagreement, thetolerances shall be 61C 62F and 62 % relative humidity.7.3 Tensile StrengthTest Methods D 882.7.4 Percentage Elongation at BreakTest Methods D 882.7.5 Thick
26、nessTake sample from a 5-cm 2-in. strip acrossthe web and follow Guide D 6988 for measuring this dimen-sion.7.6 Package YieldTest Method D 4321.7.7 Coeffcient of Friction, KineticTest Method D 1894.7.8 Unrestrained Linear Thermal ShrinkageTest MethodD 2732.7.9 Wetting TensionTest Method D 2578 or Te
27、st MethodD 5946.7.10 Heat SealabilityTest Methods F 88.7.11 GlossTest Method D 2457, making measurements atan incident angle of 45.7.12 HazeTest Method D 1003.3Available from FDA Center for Food Safety and Applied Nutrition, 200 CStreet SW, Washington, DC 20204, or on the web at http:/www.access.gpo
28、.gov/nara/cfr/cfr-table-search.html or Telephone: (202) 205-5251.TABLE 1 Cell Classification for OPP FilmADesignationOrderFilm PropertyCell Limits012341 Coefficient of friction unspecified 0.502 Linear thermal shrinkage unrestrained, 120C, % unspecified 0 to 3 3 to 6 6 to 20 203 Wetting tension, dyn
29、e/cm unspecified 255 Gloss, 45 unspecified 50 min 70 min 85 min6 Haze, % unspecified 15 max 7 max 3 maxAWith this type of classification it is possible to assemble on paper a combination of properties that is impossible to obtain with the present state of technology. Apurchaser wishing to use this s
30、pecification for the first time will probably find it necessary to contact suppliers to learn what materials are commercially available. Afterestablishing which available material(s) meet the requirements of the application, the purchaser can then specify the material by the appropriate cell classif
31、ication.D26730428. Inspection8.1 Inspection and certification of the film supplied underthis specification shall conform to the requirements specifiedherein and in Classification D 4000, Section 15.9. Certification9.1 When agreed upon in writing by the purchaser and theseller, a certification shall
32、be made on the basis of acceptanceof the material. This shall consist of a copy of the manufac-turers test report or a statement by the seller, accompanied bya copy of the test results, that the material has been sampled,tested, and inspected in accordance with the provisions of thisspecification. E
33、ach certification so furnished shall be signed byan authorized agent of the seller or manufacturer.10. Packaging and Marking10.1 PackagingThe material shall be packaged in stan-dard commercial containers, so constructed as to ensureacceptance by common or other carriers for transportation tothe poin
34、t of delivery, unless otherwise specified in the contractor order.10.2 MarkingShipping containers shall be marked withthe name of the product, nominal thickness, width, and weightof the film contained therein, as defined by the contract or orderunder which the shipment is made, the name of the manuf
35、ac-turer, and the contract or order number.10.3 All packing, packaging, and marking provisions ofPractice D 3892 shall apply to this specification.11. Keywords11.1 balanced oriented PP film; biaxially oriented PP film;oriented polypropylene film; uniaxially oriented PP filmAPPENDIX(Nonmandatory Info
36、rmation)X1. OPERATIONAL PROPERTIESX1.1 When other characterizing properties are desired, thefollowing test methods are recommended:X1.1.1 Tensile Modulus of Elasticity (Secant Modulus)Test Method A of Test Methods D 882.X1.1.2 Tear StrengthTest Method D 1922.X1.1.3 Luminous TransmittanceTest Method
37、D 1003.X1.1.4 TransparencyTest Method D 1746.X1.1.5 Water-Vapor TransmissionTest Methods E 96,Procedure E.X1.1.6 Gas TransmissionTest Method D 1434.X1.1.7 Oxygen TransmissionTest Method D 3985.X1.1.8 OdorTest Method E 462.X1.1.9 Shrink Tension and Orientation Release StressTest Method D 2838.X1.1.10
38、 BlockingTest Method D 3354.SUMMARY OF CHANGESThis section identifies the location of selected changes to this specification. For the convenience of the user,Committee D20 has highlighted those changes that may impact the use of this specification. This section mayalso include descriptions of the ch
39、anges or reasons for the changes, or both.D 2673 04:(1) Revised ISO equivalency statement.(2) Removal of Blocking in the Test Method Section andaddition of Blocking to Operational Properties in the Appen-dix.(3) Change of units in the Table 1 for Wetting Tension and HeatSealability.(4) Added the opt
40、ional use of Test Method D 5946 for WettingTension measurements.(5) Replaced Test Methods D 374 with Guide D 6988 formeasurement of plastic dimensions.D 2673 99:(1) Revised ISO equivalency statement (Note 1) and Footnote10 to reflect current information.D 2673 94a:(1) Extended the thickness range to
41、 75 m and decreased theminimum tensile strength to 68 MPa.D2673043ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any s
42、uch patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments are invi
43、ted either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received
44、a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).D2673044
