1、Designation:D92218Standard Specification forNonrigid Vinyl Chloride Polymer Tubing1This standard is issued under the fixed designation D922;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 parenth
2、eses 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*1.1 This specification covers nonrigid tubing of vinyl chlo-ride polymer o
3、r its copolymers with other materials for use inelectrical insulation in three grades,as follows:1.1.1 Grade AGeneral-purpose.1.1.2 Grade BLow-temperature.1.1.3 Grade CHigh-temperature.1.2 This standard and IEC-60684-3-100 to-105 address thesame subject matter but differ in technical content.1.3 The
4、 values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated wit
5、h its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on stan
6、dard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D876 Test Methods for Nonrigid Vinyl Chloride Pol
7、ymerTubing Used for Electrical InsulationD1711 Terminology Relating to Electrical InsulationD3636 Practice for Sampling and Judging Quality of SolidElectrical Insulating MaterialsE176 Terminology of Fire Standards2.2 IEC Standards:IEC-60684-3-100 to-105 Flexible insulating sleeving,Part3,Sheets 100
8、to 105:Extruded PVC sleeving33.Terminology3.1 Definitions:3.1.1 For definitions pertaining to electrical insulation,referto Terminology D1711.3.1.2 For definitions pertaining to fire standards,refer toTerminology E176.4.Ordering Information4.1 Orders for material covered by this specification shalli
9、nclude the following:4.1.1 Grade of tubing,4.1.2 Size and color,4.1.3 Total length in feet or metres,4.1.4 Length of cut pieces in inches or centimetres,if any,and4.1.5 Amount of tubing on each spool or in each coil,if notstandard packaging with the supplier.5.Color5.1 Clear transparent,black,white,
10、yellow,green,blue,andred shall be considered standard colors.Other colors shall beconsidered special.The color desired shall be specified in thepurchase order.5.2 Conditioning:5.2.1 Unless otherwise specified,all testing for this standardshall be conducted at 23 6 5C(73 6 9F)and a relativehumidity o
11、f 50 6 10%RH.All samples shall be precondi-tioned at 23 6 5C(73 6 9F)and a relative humidity of 506 10%RH for a minimum of 30 minutes prior to test.6.Dimensional Requirements6.1 Inside DiameterThe inside diameter of the tubingshall conform to the requirements prescribed in Table 1 orTable 2.1This sp
12、ecification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Electrical Insulating Materials.Current edition approved May 1,2018.Published May 2018.Originallyapproved in 1947.Last previous editi
13、on approved in 2011 as D922 11.DOI:10.1520/D0922-18.2For 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.3Available fro
14、m American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.*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 StatesThis international standard was develop
15、ed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 6.2 Wall ThicknessThe w
16、all thickness of the tubing shallconform to the requirements prescribed in Table 1 or Table 2.6.3 Commercial LengthsThe tubing shall be supplied incontinuous lengths.7.Workmanship,Finish,and Appearance7.1 The surface shall be smooth,free of blisters,cracks,orany other defects that have the potential to detrimentally affectits suitability for the service intended.It shall not be subject topeeling,scaling,or flaking.8.Physical and Electrical Requirements8.1 Tubing shall conform to the following re
