1、Designation: D1305 16Standard Specification forElectrical Insulating Paper and PaperboardSulfate (Kraft)Layer Type1This standard is issued under the fixed designation D1305; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year
2、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.1. Scope1.1 This specification covers electrical grade unsized, un-bleached sulfate paper and paperboard for use as layer insul
3、a-tion in coils, transformers, and similar apparatus. Other appli-cations include, but are not limited to, turn insulation, slotliners, wedges, phase insulation, and separator papers instranded wire/cable constructions. Tissue for the manufactureof capacitors is not included in this specification. O
4、thercommonly used designations include:1.1.1 Soft Coil Wrap,1.1.2 Dense Coil Wrap,1.1.3 Kraft Coil Insulation,1.1.4 Dry-Finished Kraft, and1.1.5 Water-Finished Kraft.1.2 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions t
5、o SI units that are provided for information onlyand are not considered standard.2. Referenced Documents2.1 ASTM Standards:2D202 Test Methods for Sampling and Testing UntreatedPaper Used for Electrical InsulationD1711 Terminology Relating to Electrical Insulation3. Terminology3.1 DefinitionsFor defi
6、nitions of terms used in thisstandard, refer to Terminology D1711.4. Classification4.1 Four types of paper and paperboard are covered by thisspecification, as shown in Table 1. The material is available insheets, pads, or rolls.5. Ordering Information5.1 Orders shall specify the type, including whet
7、her waterfinish or not (see Note 1), nominal thickness, form, width,length (for sheets), nominal outside diameter, and core insidediameter (for rolls).NOTE 1Water finish is not available with certain combinations ofKraft type and thickness. In general, water finish is restricted to paper andpaperboa
8、rd in the higher density ranges, that is, Types III and IV.6. Materials6.1 The material shall be natural unbleached sulfate paper orpaperboard, free of dyes, pigments, fillers, or sizing. It isfurnished either with water-finish or without.7. Detail Requirements7.1 The material shall conform to the c
9、hemical, physical,and electrical requirements specified in Tables 1-4, when testedin accordance with the methods prescribed in Section 11.8. Interpretation of Numerical Requirements8.1 Unless otherwise stated, all specified limits in thisspecification apply to the average of determinations applicabl
10、eto a sample as defined.9. Workmanship, Finish, and Appearance9.1 The material shall be uniform in thickness, density,formation, and texture. The material shall be as free of welts,wrinkles, creases, holes, slime spots, stains, shives, weak spots,blisters, tears, cuts, and other defects; and from re
11、sin, dirt,carbon, rubber, metal particles, corrosive substances, or otherforeign material, as consistent with good manufacturing pro-cesses and in keeping with the requirements of this specifica-tion. Rolls and pads shall be compactly wound. Splices shall bekept to a minimum. Splicing compounds shal
12、l be noncorrosiveand shall have no deleterious effect on the insulating ordielectric values of the paper.10. Sampling10.1 Sample the paper in accordance with Test MethodsD202.1This specification is under the jurisdiction of ASTM Committee D09 onElectrical and Electronic Insulating Materials and is t
13、he direct responsibility ofSubcommittee D09.01 on Electrical Insulating Products.Current edition approved Nov. 1, 2016. Published November 2016. Originallyapproved in 1954. Last previous edition approved in 2009 as D1305 99 (2009).DOI: 9910.1520/D1305-16.2For referenced ASTM standards, visit the AST
14、M 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.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United
15、 States111. Test Methods11.1 The properties of the paper shall be determined inaccordance with Test Methods D202, except workmanship andappearance shall be visually judged.12. Packaging and Package Marking12.1 PackagingThe material shall be wound on a one-piece substantial core with inside diameter
16、as specified. Endsof rolls shall be protected with suitable caps or roll endprotectors to ensure against edge damage. The material shall bepacked in moisture-proof wrappers, boxes, or cartons soconstructed as to ensure acceptance by common or othercarriers for safe transportation at the lowest rate
17、to the point ofdelivery, unless otherwise specified in the contract or order.12.2 Package MarkingEach container shall be marked onthe side or on one end of the package, or on both the side andend, with the name and type of material, specification number,purchase order number, manufacturers name or t
18、rade mark, orboth, manufacturers roll number, lot number, and the date ofmanufacture. Each roll or pad shall be marked on one side withthe manufacturers name and lot number and the customerspurchase order number.13. Retest and Rejection13.1 If the results of any test do not conform to therequirement
19、s prescribed in this specification, at the option ofthe manufacturer that test shall be repeated on two additionalsets of specimens from the same batch or shipment, each ofwhich shall conform to the requirements specified. If either ofthese two additional sets of specimens fails, it is acceptable to
20、reject the material at the option of the purchaser.13.2 Notice of failure of material based on tests made inaccordance with this specification shall be reported to themanufacturer within three weeks from receipt of the materialby the purchaser. Any portion of an accepted shipment ofmaterial that is
21、subsequently shown not to have been inaccordance with this specification at the time of receipt it isacceptable to reject, provided the manufacturer is notifiedwithin 90 days from the date of receipt of the material by thepurchaser.14. Keywords14.1 alcohol-soluble material; aqueous extract conductiv
22、ity;ash; chlorides; conducting paths; density; dielectric breakdownvoltage; paper; paperboard; pH; tensile strength; unbleachedsulfate kraftTABLE 1 Types of Untreated Kraft Insulating Tissue, Paper, andPaperboardType Density Range,g/cm3Nominal Thickness,mil (m)I less than 0.77 1 (25) to 30 (760)II 0
23、.77 to 0.86 0.5 (12) to 30 (760)III 0.86 to 0.95 0.4 (10) to 30 (760)IV over 0.95 0.2 (5) to 30 (760)TABLE 2 Chemical RequirementsProperty min maxAsh, % . 0.5Alcohol-soluble material, % . 1.0Aqueous extract conductivity, mS/mA. 1.0Water-soluble chlorides, ppm . 32Fiber composition: unbleached sulfat
24、e, % 100 .Moisture, as received, % 4 7Moisture, as received, for water finished paper, % 4 9Hydrogen ion concentration, pH 6.5 8.0A1 mS/m = 10 /cm.D1305 162TABLE 3 Physical and Electrical RequirementsNominalThickness,mils (m)Tensile Strength,machinedirectionmin, lbf/in.(N/mm) widthConductingPaths, m
25、ax,number per ft2(per 929 cm2)ADielectricBreakdownVoltageperSheet,min,avg V rmsNominalThickness,mils (m)Tensile Strength,machinedirectionmin, lbf/in.(N/mm) widthConductingPaths, max,number per ft2(per 929 cm2)ADielectricBreakdownVoltageperSheet,min,avgVmsType IB0.75 (19) 9.1 (1.59) 2 3751.0 (25) 8.0
26、 (1.40) 1 350 1.0 (25) 12.6 (2.21) 1 4301.5 (38) 12.5 (2.19) 1 400 1.5 (38) 17.1 (2.99) 1 5701.7 (43) 15.0 (2.63) 5 102435 1.7 (43) 18.9 (3.31) 5 1026302.0 (51) 17.0 (2.98) 4 102495 2.0 (51) 22.1 (3.81) 4 1027202.5 (64) 21.0 (3.68) 3 102575 2.5 (64) 26.1 (4.57) 3 1027803.0 (76) 26.0 (4.56) 2.0 10265
27、0 3.0 (76) 30.6 (5.36) 2 1028004.0 (100) 34.5 (6.04) 2.0 102735 4.0 (100) 39.6 (6.94) 2 10210005.0 (130) 43.0 (7.53) 1.5 102900 5.0 (130) 49.5 (8.67) 1.5 10212006.0 (150) 52.0 (9.11) 1.5 1021000 6.0 (150) 58.5 (10.24) 1.5 10213507.0 (180) 60.0 (10.51) 1.3 1021100 7.0 (180) 67.0 (11.73) 1.3 102150010
28、.0 (250) 81.0 (14.18) 1.0 1021500 10.0 (250) 90.0 (15.76) 1.0 102200015.0 (380) 115 (20.14) 0.5 1022000 15.0 (380) 135 (23.64) 0.5 102250020.0 (510) 144 (25.22) 0.5 1022500 20.0 (510) 180 (31.52) 0.5 102300030.0 (760) 180 (31.52) 0.5 1023000 30.0 (760) 225 (39.40) 0.5 1023750Type IIC Type IVD0.5 (13
29、) 4.6 (0.80) 4 225 0.20 (5) 1.5 (0.26) 9 2500.55 (14) 5.2 (0.91) 4 230 0.25 (6) 2.3 (0.40) 7 3000.6 (15) 5.8 (1.01) 3 240 0.3 (8) 3.1 (0.54) 7 3200.75 (19) 7.2 (1.26) 2 260 0.35 (9) 3.8 (0.66) 7 3301.0 (25) 10.0 (1.75) 1 360 0.4 (10) 4.6 (0.80) 6 3401.5 (38) 15.0 (2.63) 1 470 0.45 (11) 5.4 (0.94) 5
30、3501.7 (43) 20.0 (3.50) 5 102510 0.5 (13) 6.2 (1.08) 4 3552.0 (51) 23.0 (4.03) 4 102575 0.55 (14) 7.0 (1.22) 4 3602.5 (64) 24.5 (4.29) 3 102640 0.6 (15) 7.7 (1.35) 3 3653.0 (76) 29.0 (5.08) 2 102690 0.75 (19) 10.1 (1.77) 2 3804.0 (100) 38.5 (6.74) 2 102790 1.0 (25) 14.0 (2.45) 1 4305.0 (130) 48.0 (8
31、.41) 1.5 102900 1.5 (38) 19.0 (3.33) 1 6006.0 (150) 58.0 (10.16) 1.5 1021000 1.7 (43) 21.0 (3.68) 5 1026607.0 (180) 67.0 (11.73) 1.3 1021100 2.0 (51) 24.5 (4.29) 4 10275010.0 (250) 90.0 (15.76) 1.0 1021500 2.5 (64) 29.0 (5.08) 3 10278015.0 (380) 128 (22.42) 0.5 1022000 3.0 (76) 34.0 (5.95) 2 1028002
32、0.0 (510) 160 (28.02) 0.5 1022500 4.0 (100) 44.0 (7.70) 2 102100030.0 (760) 200 (35.02) 0.5 1023000 5.0 (130) 55.0 (9.63) 1.5 1021200Type IIID6.0 (150) 65.0 (11.38) 1.5 10213500.4 (10) 4.1 (0.72) 6 340 7.0 (180) 74.0 (12.96) 1.3 10216000.45 (11) 4.9 (0.85) 5 345 10.0 (250) 100 (17.51) 1.0 10220000.5
33、 (13) 5.6 (0.98) 4 350 15.0 (380) 150 (26.27) 0.5 10225000.55 (14) 6.3 (1.10) 4 355 20.0 (510) 200 (35.02) 0.5 10230000.6 (15) 6.9 (1.21) 3 360 30.0 (760) 250 (43.78) 0.5 1023750ANote change in test method between 1.5 and 1.7 mils in thickness.BThickness tolerance for Type I shall be 10 % on all thi
34、cknesses.CThickness tolerances for Type II shall be as follows:2.0 mils and less 7 %.Over 2.0 mils 10 %.DThickness tolerances for Types III and IV shall be as follows:2.0 mils and less 5 %.Over 2.0 mils 10 %.TABLE 4 Dimensional TolerancesProperty TypesTolerances in. (mm)Width (cross-machine directio
35、n)less than 2 in. (50 mm) all164 (0.4)2 to 10 in. (51 to 254 mm), incl all132 (0.8)over 10 in. (254 mm) all116 (1.6)Length (sheets, machine direction)less than 18 in. (457 mm) all116 (1.6)18 to 36 in. (457 to 915 mm), incl. all18 (3.2)over 36 in. (915 mm) all316 (4.8)Diameter (outer, of roll) all12
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