1、Designation:D463516Standard Specification forPlastic Films Made from Low-Density Polyethylene andLinear Low-Density Polyethylene for General Use andPackaging Applications1This standard is issued under the fixed designation D4635;the number immediately following the designation indicates the year ofo
2、riginal 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.1.Scope*1.1 This specification covers unpigmented,unsupported,low-density poly
3、ethylene and linear low-density polyethylenefilms(hereafter referred to as film or films)with densitiesranging from 0.910-0.925 g/cm3per Specification D4976.NOTE1The density of a film will not necessarily be equal to thedensity of a molded plaque from the same resin.NOTE2Blends of ethylene/vinyl ace
4、tate(EVA)with low-densitypolyethylene may have densities up to 0.929 g/cm3.1.2 This specification is applicable to homopolymerpolyethylene,but is not restricted to it.It is applicable to filmsmade from polyethylene copolymers,and also applicable tofilms made from blends of homopolymers and copolymer
5、s,including ethylene/vinyl acetate copolymers.1.3 The thickness of the films covered by this specificationis 101.6 m or less(0.004 in.or less),inclusive.The maximumwidth of the sheet or layflat is 3.30 m(130 in.).1.4 This specification does not cover oriented heat-shrinkable films.1.5 This specifica
6、tion allows for the use of recycled poly-ethylene film or resin as feedstock,in whole or in part,as longas all of the requirements of this specification are met and aslong as any specific requirements as governed by the producerand end user are also met.(See Note 3.)NOTE3Guide D7209 describes termin
7、ology and definitions related torecycled plastics.1.6 This specification defines the levels of the variousphysical properties from which specifications for specific filmsmay be described.The levels of physical properties required bya film for a given application are selected from Section 6.However,S
8、ections 2 5 relating to tolerances shall applywithout change to all film falling within the scope indicated bythe title and 1.1 1.4.1.7 This specification covers dimensional tolerances,classifications,intrinsic quality requirements,and test methods.The dimensional tolerances include thickness,width,
9、andlength or yield.Classification defines types,classes,surfaces,and finishes.The intrinsic quality requirements include density,workmanship,tensile strength,heat sealability,and odor,aswell as the classification properties for impact strength,coef-ficient of friction,optical properties,and surface
10、treatment.Asampling method is included.1.8 The values stated in SI units are to be regarded as thestandard.The values given in parentheses are for informationonly.1.9 The following precautionary caveat pertains only to thetest methods portion,Section 10,of this specification:Thisstandard does not pu
11、rport 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 healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE4There is no known ISO equivalent to this st
12、andard.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD882 Test Method for Tensile Properties of Thin PlasticSheetingD883 Terminology Relating to PlasticsD100
13、3 Test Method for Haze and Luminous Transmittanceof Transparent PlasticsD1238 Test Method for Melt Flow Rates of Thermoplasticsby Extrusion PlastometerD1505 Test Method for Density of Plastics by the Density-Gradient Technique1This specification is under the jurisdiction of ASTM Committee D20 onPlas
14、tics and is the direct responsibility of Subcommittee D20.19 on Film,Sheeting,and Molded Products.Current edition approved April 1,2016.Published April 2016.Originallyapproved in 1986.Last previous edition approved in 2008 as D4635-08a.DOI:10.1520/D4635-16.2For referenced ASTM standards,visit the AS
15、TM 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.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor
16、 Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 D1709 Test Methods for Impact Resistance of Plastic Filmby the Free-Falling Dart MethodD1894 Test Method for Static and Kinetic Coefficients ofFriction of Plastic Film and SheetingD1922 Test Method for Propagation Tear Resistance ofPlastic Film and Thin Sheeting by Pendulum MethodD1938 Test Method for Tear-Propagation Resistance(Trou-ser Tear)of Plastic Film and Thin Sheeting by a Single-Tear MethodD2103 Specification for Polyethy
