1、Designation:D 372 00An American National StandardStandard Specification forFlexible Treated Sleeving Used for Electrical Insulation1This standard is issued under the fixed designation D 372;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revi
2、sion,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers electrical insulating sleevingsuitable for use on lead wires and in connections
3、 in electricalapparatus,such as motors,transformers,and switch gears.1.2 Materials under this specification are limited to a flex-ible tubular product made from a woven textile fiber base,suchas cotton,rayon,nylon,or glass,thereafter impregnated,orcoated,or impregnated and coated,with a suitable ins
4、ulatingmaterial.NOTE1This standard resembles IEC 60684-3-400 to 408 in title only.The content is significantly different.2.Referenced Documents2.1 ASTM Standards:D 350 Test Methods for Flexible Treated Sleeving Used forElectrical Insulation2D 1711 Terminology Relating to Electrical Insulation2D 3636
5、 Practice for Sampling and Judging Quality of SolidElectrical Insulating Materials3D 4088 Practice for Preparation for Shipment of SolidElectrical Insulating Materials32.2IEC Standard:IEC 60684-3 Specification for Flexible Insulating Sleeving43.Terminology3.1 DefinitionsFor definitions of terms used
6、 in this speci-fication,see Terminology D 1711.4.Classification4.1 Sleeving is categorized by the type of coating,basefabric material,dielectric breakdown voltage,temperatureindex,minimum wall thickness,and inside diameter,as fol-lows:4.1.1 Type IA flexible treated sleeving made fromorganic-base fib
7、ers such as cotton,rayon,or nylon and impreg-nated or coated with an insulating material which can be shownby applicable experience or accepted test to have a temperatureindex of 105.4.1.2 Type IIA flexible treated sleeving made frominorganic-base yarns such as fibrous glass and impregnated orcoated
8、 with an insulating material which can be shown byapplicable experience or accepted test to have a temperatureindex of 130.4.1.3 Type IIIA flexible treated sleeving made frominorganic-base yarns such as fibrous glass and impregnated orcoated with an insulating material,such as poly(vinyl chlo-ride),
9、which can be shown by applicable experience or ac-cepted test to have a temperature index of 105.4.1.4 Type IVA flexible treated sleeving made frominorganic-base yarns such as fibrous glass and impregnated orcoated with an insulating material,such as silicone resin orpolytetrafluoroethylene,which ca
10、n be shown by applicableexperience or accepted test to have a temperature index of 200.4.1.5 Type VA flexible treated sleeving made frominorganic-base yarns such as fibrous glass and impregnated orcoated with an insulating material,such as silicone elastomer,which can be shown by experience or accep
11、ted test to have atemperature index of 200.4.1.6 Type VIA flexible treated sleeving made frominorganic-base yarns such as fibrous glass and impregnated orcoated with an insulating material,such as epoxies,polyesters,or acrylics,which can be shown by experience or accepted testto have a temperature i
12、ndex of 155.4.1.7 Type VIIA flexible treated sleeving made frominorganic-base yarns such as fibrous glass and impregnated orcoated with an insulating material which can be shown byexperience or accepted test to have a temperature index of 180.4.2 Grades of sleeving are identified in terms of minimum
13、average dielectric breakdown voltage,as shown in Table 1.4.3 Sleeving sizes are shown in Table 2,and are based onthe size of round conductors that will fit snugly into the productwithout distortion of the sleeving.5.Ordering Information5.1 Orders for sleeving shall include the following informa-tion
14、:5.1.1 Type and color(Sections 4 and 6),5.1.2 Grade(Section 4),5.1.3 Size(Table 2),1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Flexible and Rigid Insulating Materials.Cu
15、rrent edition approved April 10,2000.Published July 2000.Originallypublished as D 372 33.Last previous edition D 372 90(1995)e1.2Annual Book of ASTM Standards,Vol 10.01.3Annual Book of ASTM Standards,Vol 10.02.4Available from theAmerican National Standards Institute,11 W.42nd St.,13thFloor,New York,
16、NY 10036.1Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959,United States.5.1.4 Type of put-up(coils,spools,cut lengths,and soforth),5.1.5 Type of packing and packaging(see Practice D 4088),and5.1.6 Marking,if other than specified in Practice D 4088.6.General Requirements6.1 Colors shall be as agreed upon between the purchaserand the supplier.7.Dimensional Requirements7.1 Sleeving shall conform to the inside diameter and wallthickness requirements sho
