ASTM D1667-2017 Standard Specification for Flexible Cellular Materials&x2014 Poly (Vinyl Chloride) Foam (Closed-Cell)《韧性多孔材料的标准规格 聚氯乙烯泡沫塑料(闭孔)》.pdf
《ASTM D1667-2017 Standard Specification for Flexible Cellular Materials&x2014 Poly (Vinyl Chloride) Foam (Closed-Cell)《韧性多孔材料的标准规格 聚氯乙烯泡沫塑料(闭孔)》.pdf》由会员分享,可在线阅读,更多相关《ASTM D1667-2017 Standard Specification for Flexible Cellular Materials&x2014 Poly (Vinyl Chloride) Foam (Closed-Cell)《韧性多孔材料的标准规格 聚氯乙烯泡沫塑料(闭孔)》.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D1667 05 (Reapproved 2011)D1667 17Standard 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 ca
2、se 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 U.S. Department of Defense.1. Scope Scope*1
3、.1 This specification covers flexible closed-cell or non-interconnecting cellular products, the elastomer content of which ispredominantly poly(vinyl chloride) or copolymers thereof.1.2 In the case of conflict between the provisions of this specification and those of detailed specifications or metho
4、ds of test fora particular product, the latter shall take precedence.1.3 Reference to the methods for testing closed-cell poly(vinyl chloride) contained herein shall specifically state the particulartest or tests desired and not refer to these methods of test as a whole.1.4 The values stated in SI u
5、nits are to be regarded as the standard. The inch-pound units given in parentheses are forinformation only.1.5 The following precautionary statement pertains to the test method portions only of this specification: This standard does notpurport to address all of the safety concerns, if any, associate
6、d with its use. It is the responsibility of the user of this standard toestablish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.NOTE 1There is no known ISO equivalent to this standard.2. Referenced Documents2.1 ASTM Standards:2D395 Tes
7、t Methods for Rubber PropertyCompression SetD573 Test Method for RubberDeterioration in an Air OvenD1056 Specification for Flexible Cellular MaterialsSponge or Expanded RubberE691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method3. Terminology3.1 Definition
8、s of Terms Specific to This Standard:3.1.1 closed cellan expanded structure consisting of a multitude of individual, non-connecting, gas-tight cells.3.1.2 flexible cellular materiala cellular organic polymeric material which will not rupture when a specimen 200 by 25 by 25mm (8 by 1 by 1 in.) is ben
9、t around at 25-mm (1-in.) diameter mandrel at a uniform rate of one lap in 5 s at a temperature between18 and 29C (65 and 85F).3.1.3 surface skinthe smooth surface on the material formed during manufacture by contact with the molds, cover plate, orair.3.1.4 Vthe ASTM symbol designating nonrigid viny
10、l cellular plastics.3.1.5 vinyl or PVCthese terms refer to poly(vinyl chloride) or copolymers thereof.1 This specification is under the jurisdiction of ASTM Committee D20 on Plastics and is the direct responsibility of Subcommittee D20.22 on Cellular Materials - Plasticsand Elastomers.Current editio
11、n approved April 1, 2011March 1, 2017. Published April 2011March 2017. Originally approved in 1959. Last previous edition approved in 20052011 asD1667 - 05.D1667 - 05(2011). DOI: 10.1520/D1667-05R11.10.1520/D1667-17.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM
12、Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made t
13、o the previous version. Becauseit may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summ
14、ary 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. Materials and Manufacture4.1 Closed-cell vinyl is produced in sheet, strip, molded, or simple specific shapes.5. Grades of Cl
15、osed-Cell Vinyl or PVC-Symbol VE5.1 Closed-cell vinyl shall be designated by two symbol letters VE, indicating V for vinyl and E for closed cell. The grade shallbe designated by two digits, the first of which designates closed cell, and the second of which indicates the degree of firmness,the softer
16、 grades being identified with the lower numbers and the firmer grades with the higher numbers.NOTE 2ExamplesVE-41 is a closed cell (expanded) vinyl of soft grade (see Table 1).TABLE 1 Physical Requirements of Closed Cell Vinyl Products,Type VEBasic RequirementsRequirementsAdded bySuffix LettersCompr
17、essionDeflection,25 %DeflectionSuffix B Suffix L WaterAbsorption, maxGradeNumber kPa (psi)CompressionSet, 25 %Deflection,22 h atRoomTemperature,24 hRecovery, %maxkg/m2 cutsurfacelb/ft2 cutsurfaceVE-40 3.5 to 15 (0.5 to 2) 20 0.5 0.1VE-41 15 to 35(2 to 5) 20 0.5 0.1VE-42 35 to 65(5 to 9) 20 0.5 0.1VE
18、-43 65 to 90(9 to 13) 20 0.5 0.1VE-44 90 to 120(13 to 17) 20 0.5 0.1VE-45 120 to 170(17 to 25) 20 0.5 0.1TABLE 1 Physical Requirements of Closed Cell Vinyl Products,Type VEBasic RequirementsRequirementsAdded bySuffix LettersCompressionDeflection,25 %DeflectionSuffix B Suffix L WaterAbsorption, maxGr
19、adeNumber kPa (psi)CompressionSet, 25 %Deflection,22 h atRoomTemperature,24 hRecovery, %maxkg/m2 cutsurfacelb/ft2 cutsurfaceVE-40 3.5 to 15 (0.5 to 2.17) 20 0.5 0.1VE-41 15 to 35(2.17 to5.07)20 0.5 0.1VE-42 35 to 65(5.07 to9.42)20 0.5 0.1VE-43 65 to 90(9.42 to 13) 20 0.5 0.1VE-44 90 to 120(13 to 17.
20、4) 20 0.5 0.1VE-45 120 to 170(17.4 to24.6)20 0.5 0.1D1667 1725.2 If suffix tests are required, suffix letters shall be added singly or in combination after any grade number to indicate additionalrequirements beyond those specified in Table 1 as basic requirements. The significance of the approved su
21、ffix letters is as follows:BCompression Set under Constant DeflectionCWeather ResistanceADLoad DeflectionAEOil ResistanceAFLow Temperature18C (0F)GTear ResistanceAH1Flex Resistance (Dynamic)AJAbrasion ResistanceAK2Adhesion (Cemented Bond Made After Molding)ALWater Absorption Test Required with Value
22、s as Specified in Table 1MFlame ResistanceAPNon-StainingAR1ReboundAR2Energy AbsorptionASVolume Change after Heat AgingAWDensityAZSpecial RequirementsAA Test method and values to be arranged between the manufacturer and the purchaser.6. Tolerances on Dimensions6.1 Tolerances on dimensions of closed-c
23、ell vinyl products are given in Table 2.7. Workmanship, Finish, and Appearance7.1 Closed cell vinyl furnished under this specification shall be manufactured from poly(vinyl chloride) or copolymers thereof,together with the added compounding ingredients of such nature and quality that the finished pr
24、oduct complies with thespecification requirements. In permitting a choice in use of materials by the manufacturer, it is not intended to imply that thedifferent materials are equivalent in respect to all physical properties. Any special characteristics, other than those prescribed inthis specificati
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