1、Designation:D166705(Reapproved 2011)Standard Specification forFlexible Cellular MaterialsPoly(Vinyl Chloride)Foam(Closed-Cell)1This standard is issued under the fixed designation D1667;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,
2、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.Scope1.1 This specification covers flex
3、ible closed-cell or non-interconnecting cellular products,the elastomer content ofwhich is predominantly poly(vinyl chloride)or copolymersthereof.1.2 In the case of conflict between the provisions of thisspecification and those of detailed specifications or methods oftest for a particular product,th
4、e latter shall take precedence.1.3 Reference to the methods for testing closed-cell poly-(vinyl chloride)contained herein shall specifically state theparticular test or tests desired and not refer to these methods oftest as a whole.1.4 The values stated in SI units are to be regarded as thestandard.
5、The inch-pound units given in parentheses are forinformation only.1.5 The following precautionary statement pertains to thetest method portions only of this specification:This standarddoes not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of th
6、e user of thisstandard to establish appropriate safety and health practicesand determine the applicability of regulatory limitations priorto use.NOTE1There is no known ISO equivalent to this standard.2.Referenced Documents2.1 ASTM Standards:2D395 Test Methods for Rubber PropertyCompression SetD573 T
7、est Method for RubberDeterioration in an AirOvenD1056 Specification for Flexible Cellular MaterialsSponge or Expanded RubberE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 closed cel
8、lan expanded structure consisting of amultitude of individual,non-connecting,gas-tight cells.3.1.2 flexible cellular materiala cellular organic poly-meric material which will not rupture when a specimen 200 by25 by 25 mm(8 by 1 by 1 in.)is bent around at 25-mm(1-in.)diameter mandrel at a uniform rat
9、e of one lap in 5 s at atemperature between 18 and 29C(65 and 85F).3.1.3 surface skinthe smooth surface on the materialformed during manufacture by contact with the molds,coverplate,or air.3.1.4 Vthe ASTM symbol designating nonrigid vinylcellular plastics.3.1.5 vinyl or PVCthese terms refer to poly(
10、vinyl chlo-ride)or copolymers thereof.4.Materials and Manufacture4.1 Closed-cell vinyl is produced in sheet,strip,molded,orsimple specific shapes.5.Grades of Closed-Cell Vinyl or PVC-Symbol VE5.1 Closed-cell vinyl shall be designated by two symbolletters VE,indicating V for vinyl and E for closed ce
11、ll.Thegrade shall be designated by two digits,the first of whichdesignates closed cell,and the second of which indicates thedegree of firmness,the softer grades being identified with thelower numbers and the firmer grades with the higher numbers.NOTE2ExamplesVE-41 is a closed cell(expanded)vinyl of
12、softgrade(see Table 1).1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.22 on CellularMaterials-Plastics and Elastomers.Current edition approved April 1,2011.Published April 2011.Originallyapproved in 1959.Last previo
13、us edition approved in 2005 as D1667-05.DOI:10.1520/D1667-05R11.2For 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.*A
14、 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 5.2 If suffix tests are required,suffix letters shall be addedsingly or in combination after any grade number to indicateadditi
15、onal requirements beyond those specified in Table 1 asbasic requirements.The significance of the approved suffixletters is as follows:BCompression Set under Constant DeflectionCWeather ResistanceADLoad DeflectionAEOil ResistanceAFLow Temperature18C(0F)GTear ResistanceAH1Flex Resistance(Dynamic)AJAbr
16、asion ResistanceAK2Adhesion(Cemented Bond Made After Molding)ALWater Absorption Test Required with Values as Specified in Table 1MFlame ResistanceAPNon-StainingAR1ReboundAR2Energy AbsorptionASVolume Change after Heat AgingAWDensityAZSpecial RequirementsAATest method and values to be arranged between the manufacturer and thepurchaser.6.Tolerances on Dimensions6.1 Tolerances on dimensions of closed-cell vinyl productsare given in Table 2.7.Workmanship,Finish,and Appearance7.1 Closed cell vinyl fur
