ASTM_D_4801_-_08.pdf

Designation:D480108Standard Specification forPolyethylene Sheeting in Thickness of 0.25 mm(0.010 in.)and Greater1This standard is issued under the fixed designation D4801;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 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 Department of Defense.1.Scope*1.1 This specification covers requirements for extruded(cast or blown)and compression-molded sheeting made fromlow-,medium-and high-density polyethylenes and copolymersin thickness of 0.25 mm(0.010 in.)and greater.Depending onthe functional requirements,sheeting conforming to this speci-fication is used in applications such as chemical tank linings,spacers in electrical equipment,thermoforming into such itemsas trays,pallets,and shipping containers,and as machine-shopstock.1.2 Polyethylene materials,being thermoplastics,are repro-cessable and recyclable(see Guides D5033 and D7209).Thisspecification allows for the use of those polyethylene plasticmaterials,provided that any specific requirements as governedby the producer and end user are met.1.3 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for informationonly.1.4 The following precautionary caveat 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 and healthpractices and determine the applicability of regulatory limita-tions prior to use.NOTE1There is no known ISO equivalent to this standard.2.Referenced Documents2.1 ASTM Standards:2D618 Practice for Conditioning Plastics for TestingD638 Test Method for Tensile Properties of PlasticsD792 Test Methods for Density and Specific Gravity(Rela-tive Density)of Plastics by DisplacementD883 Terminology Relating to PlasticsD1204 Test Method for Linear Dimensional Changes ofNonrigid Thermoplastic Sheeting or Film at ElevatedTemperatureD1505 Test Method for Density of Plastics by the Density-Gradient TechniqueD2103 Specification for Polyethylene Film and SheetingD3892 Practice for Packaging/Packing of PlasticsD4976 Specification for Polyethylene Plastics Molding andExtrusion MaterialsD5033 Guide for Development ofASTM Standards Relatingto Recycling and Use of Recycled Plastics(Withdrawn2007)3D5947 Test Methods for Physical Dimensions of SolidPlastics SpecimensD7209 Guide for Waste Reduction,Resource Recovery,andUse of Recycled Polymeric Materials and Products2.2 Military Standard:4MIL-STD-105 Sampling Procedures and Tables for Inspec-tion by Attributes2.3 Federal Standard:4Fed.Std.No.406A Plastics:MethodsofTesting(Method 6051,Warpage)3.Terminology3.1 DefinitionsUnless otherwise indicated,the terminol-ogy used in this specification is in accordance with Terminol-ogy D883.4.Classification4.1 The polyethylene sheeting in accordance with thisspecification is classified by special types as follows:4.1.1 Type IGeneral purpose,natural and colors.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.19 on Film,Sheeting,and Molded Products.Current edition approved Nov.1,2008.Published November 2008.Originallyapproved in 1988.Last previous edition approved in 2007 as D4801 07.DOI:10.1520/D4801-08.2For 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 website.3The last approved version of this historical standard is referenced onwww.astm.org.4Available from Standardization Documents Order Desk,Bldg.4 Section D,700Robbins Ave.,Philadelphia,PA 19111-5094,Attn:NPODS.*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 States1 4.1.2 Type IIDielectric,natural and colors.4.1.3 Type IIIWeather-resistant,black.5.Ordering Information5.1 As appropriate,the following information shall beincluded in the purchase contract.5.1.1 Title,number,and date of this specification.5.1.2 Classification in accordance with the appropriate cellcall-out as found in Specification D4976.5.1.3 Length and width of sheets(see 7.5 and 7.6).5.1.4 Thickness of sheets(see 7.5).5.1.5 Color(see 7.7).5.1.6 Requirements for packaging,packing,and marking(see 13.1).6.Materials and Manufacture6.1 MaterialsThe sheeting shall be manufactured frompolyethylene thermoplastic material of the special grade speci-fied in 5.1.2.The supplier shall furnish,for the material used,data for the classification properties.6.2 ManufactureS