1、Designation: D 2754 99 (Reapproved 2004)An American National StandardStandard Specification forHigh-Temperature Glass Cloth Pressure-Sensitive ElectricalInsulating Tape1This standard is issued under the fixed designation D 2754; the number immediately following the designation indicates the year ofo
2、riginal adoption or, in the case of revision, 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 requirements for high-temperature
3、 electrical insulating tape consisting of glass clothcoated on one side with a pressure-sensitive adhesive.1.2 The values stated in SI units are to be regarded as thestandard. The values given in parentheses are provided forinformation purposes only.2. Referenced Documents2.1 ASTM Standards:2D 1000
4、Test Methods for Pressure-Sensitive Adhesive-Coated Tapes Used for Electrical and Electronic Applica-tionsD 1711 Terminology Relating to Electrical Insulation3. Terminology3.1 DefinitionsFor definitions of terms in this specifica-tion refer to Terminology D 1711.4. Classification4.1 This specificati
5、on covers two types of glass cloth tapes,as follows:4.1.1 Type IWoven glass cloth with silicone adhesive.4.1.1.1 Grade A0.18 mm (0.007 in.).4.1.1.2 Grade B0.25 mm (0.010 in.).4.1.2 Type IIWoven glass cloth impregnated with polytet-rafluoroethylene, silicone adhesive, nominal thickness 0.13mm (0.005
6、in.).5. Materials and Manufacture5.1 The tape backing shall consist of woven glass fibers.5.2 The silicone pressure-sensitive adhesive coating shall besmooth and uniform and as free from lumps and bare spots asbest commercial practice will permit. The adhesive shall nottransfer when the tape is unwo
7、und from the roll.6. Requirements Requirements6.1 All tapes shall meet the requirements given in Table 1for the types specified.7. Standard Rolls7.1 The standard widths and lengths shall be selected fromthe following:7.1.1 Widths:mm in. mm in.614 2278938 25 11212 30 1141558 38 1121934 50 2Widths gre
8、ater than 2 in. (50 mm) shall be agreed uponbetween the purchaser and the seller.7.1.2 Lengths:mft62020 6633 1087.1.3 Nonstandard widths and lengths are permissible ifagreed upon between the purchaser and seller.8. Test Methods8.1 The selection of rolls, conditioning, and testing shall bein accordan
9、ce with Test Methods D 1000.9. Rejection9.1 If the test results of any roll do not conform to therequirements prescribed in the specification, two additionalrolls shall be selected and tested. If one of the two additional1This specification is under the jurisdiction of ASTM Committee D09 onElectrica
10、l and Electronic Insulating Materials and is the direct responsibility ofSubcommittee D09.07 on Flexible and Rigid Insulating Materials.Current edition approved March 10, 1999. Published May 1999. Originallyapproved in 1968. Last previous edition approved in 1993 as D 2754 89 (1993)e1.2For reference
11、d 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.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Con
12、shohocken, PA 19428-2959, United States.sample rolls also does not conform to the requirements, the lotmay be rejected at the option of the purchaser.10. Packaging and Package Marking10.1 PackagingThe packaging shall withstand shipmentand shall give the product ample protection against damage.The in
13、dividual rolls shall not adhere to each other or to thecontainer.10.2 MarkingEach package shall be marked with thename of the manufacturer, the ASTM specification number andtype, and the width and length of the rolls.11. Keywords11.1 electrical insulating tape; glass cloth pressure-sensitivetape; hi
14、gh temperature pressure-sensitive tape; pressure-sensitive adhesive tapeASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of
15、 any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn. Your comments ar
16、e invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not rec
17、eived a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies)
18、of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).TABLE 1 Detail RequirementsRequirementType IType IIGrade A Grade BTotal thickness, nominal, mm (in.) 0.18 6 0
19、.025(0.007 6 0.001)0.25 6 0.025(0.10 6 0.001)0.13 6 0.025(0.005 6 0.001)Width, as specified, mm (in.) 60.8 (6132 ) 60.8 (6132 ) 60.8 (6132)Length, as specified 1% 1% 1%Breaking strength, min, avg N/10 mm (lbf/in.) 216 (120) 216 (120) 90.2 (50)Dielectric breakdown, min, avg V 2000 2500 3000Adhesion s
20、trength, min, N/10 mm (ozf/in.) avg, after dwell time on drum of 20 6 5minMethod B:To steel 2.8 (25) 2.8 (25) 2.2 (20)To backing 1.7 (15) 1.7 (15) no requirementHigh-humidity insulation resistance, min, median, MV 50 100 1000Unwind force, max, avg, N/10 mm (ozf/in.) widthA11.0 (100) 16.5 (150) 11.0 (100)Accelerated aging, effect of on dielectric breakdown, percent of original after 16 hat 250 C, min100 100 100Adhesion strength to backing, Method B, % of original after 168 h at 225 C, min 100 100 no requirementASee Test Methods D 1000, Test Method B.D 2754 99 (2004)2
