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The compound shall contain no more than 0.5 % of free sulfur by weight when tested as specified in Section 17.. Tensile Strength and Elongation 5.1 The tensile strength of the tape, when
9009276 0039274 TûL = NOTICE: This standard has either been superseded and replaced by a new version or discontinued 9-k Contact ASTM International (www.astm.org) for the latest information ANSIIASTM D 119 - 78 AMERICAN SOCIETY FOR TESTING AND MATERIALS 1016 R a a St Phllid*lphla Pa., 10103 Reprinted Irom lhe Annurl Book of ASTM Strndrrdr Copyright ASTM If not listed in the curnnt combined Index will a w r r in the next &¡tion Standard Specification for LOW-VOLTAGE RUBBER INSULATING TAPE' This standard is issued under the fixed designation D 119; the number immediately following the designation indicates the year of onginal adoption or,in the case of revision, the year of last revision A number in parentheses indicates the year of last reapproval This s ecification has been approved for use by agencies o f the Department of Defense and for listing in the DoD Index of Specikaiions and Standarb 1 scope tightly wound in rolls with a separator be- tween layers 1.1 This specification covers low-voltage rubber insulating tape designed for splicing 4 Separator electrical wires and cables operating up to 2000 volts phase to phase in dry locations 4.1 The separator shall be parchment pa- with conductor temperatures up to 75°C per, glazed or plastic sheeting, or any suitable (167°F) for continuous operation, to 95°C material interposed between adjacent layers (203°F) for emergency overload conditions, The removable or nonremovable separator and to 150°C (302°F) for short circuit condi- shall not interfere with the use of the roll tions This tape is suitable for outdoor use, during application Where a removable sepa- but must be overwrapped to protect from rator is used, the separator shall not show any ozone attack and from ultraviolet radiation undue tendency to stick to the rubber or to This tape may be applied under an ambient ravel The outside end of the roll shall be temperature range of -10°C (+14"F) to securely fastened +40°C (104°F) 5 Tensile Strength and Elongation 2 Applicable Documents 5.1 The tensile strength of the tape, when tested as specified in Section 18 shall be not 2.1 ASTM Standards: less than 1.7 MPa (250 psi) D 149 Tests for Dielectric Breakdown Volt- 5.2 The elongation of a 50-mm (2-in )gage age and Dielectric Strength of Electrical length determined simultaneously with the Insulating Materials at Commercial tensile strength test, shall be not less than Power Frequencies2 300 % D297 Chemical Analysis of Rubber Prod- ucts3 6 Dielectric Strength D 412 Tests for Rubber Properties in Ten- 6.1 The dielectric strength of the tape, sion4 D 470 Testing Thermosetting Insulated and when tested as specified in Section 19, shall Jacketed Wire and Cable5 be not less than 14 kV/mm (350 V/mil) of thickness 3 Compound 'This specification is under the 'urisdictjon of the 3.1 The tape shall consist of an unvulcan- ASTM Committee D-9 on Electrical jnsulating Materials ized or partially vulcanized rubber insulating and is the direct responsibility of Subcommittee D09.18 on compound The compound shall contain no more than 0.5 % of free sulfur by weight Elastomeric Insulation on Cables when tested as specified in Section 17 The Current edition approved Nov 24, 1978 Published compound shall be well, evenly and smoothly processed, cut to the specified widths and January 1979 On 'naU published as D119-21 T.Last previous edition D C9-A a Annual BooKofASTM StandardF, Part 39 Annual Book ofASTM Srondnrdi, Part 37 'Annual Book ofASTM Standards,Parts 37and 38 'Annual Book ofASTM S,- Part 40 9007276 0039275 948 W 4CIb D 119 7 Fusion conformance to all requirements of the spec- ification 7.1 The tape shall meet the fusion test as specified in Section 20 11.4 At least 610 mm (24 in.) of the outer layer of each sample roll shall be 8 Heat Resistance removed and discarded before taking test specimens 8.1 The tape shall meet the heat resistance test as specified in Section 21 11.5 The test specimen shall be unwound from the roll at a slow uniform rate without 9 Dimensions jerking 9.1 The tape shall conform to the following nominal dimensions when tested as specified 12 Inspection in Section 22: 12.1 Inspection of the material shall be Width Thickness Length made as agreed upon by the purchaser and seller as part of the purchase contract mm in mm in m Yd 12.2 If it is required, the tape shall be 20 0.75 0.80 0.030 9.1 10 tested and inspected either at the place of 25 1.00 0.80 0.030 manufacture prior to shipment or at the 40 1.50 0.80 0.030 9.1 10 place of delivery within 4 weeks from date of 50 2.00 0.80 0.030 delivery 9.1 10 13 Aging and Storage 9.1 10 13.1 The tape shall at any time within Millimetre and inch values, and metre and eight months after acceptance, if properly yard values are nominal and not equivalent stored, meet the fusion test as specified in Other widths, thicknesses and lengths may be Section 20, and shall not become unduly supplied as agreed between the purchaser and attached to any removable separators the supplier 13.2 Tape, to be properly stored, shall be 10 Permissible Vanations in Dimension stored in the original cartons and preferably in a cool location Tape shall not be stored in 10.1 The average thickness shall not vary close proximity to steam pipes, radiators, or from the nominal thickness more than 20.08 other sources of heat mm (+r0.003in.) and the average width not more than 20.08 mm (20.003 in.) and the 13.3 In unvulcanized types, the tape must length of the rolls in any sampling shall be no release easily for application and be able to less than the nominal length No individual pass the fusion test of Section 20 after the thickness shall vary from the nominal thick- roll has been aged at 40°C for 60 days This ness more than 2 1 3 % and no individual is a performance test and is to be conducted width shall vary more than k 1 5 mm (+0.06 by the manufacturer when any change is in ) U S customary units are referee made The manufacturer shall submit a copy of the test results when requested by any 11 Sampling purchaser This test is not required for par- tially vulcanized tapes 11.1 Sample rolls shall be taken at random from each shipment as specified in the follow- 14 Rejection and Retests ing table: 14.1 The purchaser reserves the right to Number of R o b in Shipment Number of Sample Rolls reject any part of the shipment that does not comply with Section 15 50 to 200 2 14.2 The purchaser reserves the right to 201 to 500 3 reject a shipment from which two or more sample rolls fail to meet the requirements of 501 to 1000 4 any individual test or measurement pre- scribed in these specifications, without addi- 1001 t o 5000 5 tional sampling If only one sample roll fails For shipments in excess of 5000 rolls, one additional roll shall be taken for each addi- tional 1000 rolls or fraction thereof 11.2 A shipment shall consist of material shipped or intended for shipment to a pur- chaser and covered by one bill of lading 11.3 Each sample roll shall be tested for 2 ~ 9009276 0019276 884 4CTb D 119 an individual test a second set of samples be full width In placing the parallel gage shall be taken as specified in Section 11 and marks on the test specimen take care not to all rolls in the second sampling shall be cut the stock subjected to that test or measurement wherein the failure occurred The purchaser 18.1.4 Test three specimens, free from reserves the right to reject the shipment if visible defects, from each sample roll Re- the second sampling fails to conform with port the average of the three tests the applicable requirement 19 Dielectric Strength Test 14.3 The manufacturer shall replace re- jected tape and shall pay freight charges for 19.1 Determine the dielectric strength by the return of such material placing a specimen approximately 150 mm (6 in.) in length between two flat electrodes 15 Packaging and Marking 6.4 mm (0.25 in.) in width by 108 mm (4.25 in.) in length with edges square and ends 15.1 Each roll of tape shall be enclosed in rounded to 3.2-mm (0,125-in.) radius (see a paper carton, unless otherwise specified If Fig 1) The area of contact with the surface enclosed in a carton, either the roll of tape of the tape specimen is 6.4 mm (0.25 in.) in shall be wrapped in a moisture-proof mate- width by 100 mm (4 in.) in length Under an rial, or the carton shall be wrapped in a electrode pressure of 7 kPa (1 psi), apply a moisture-proof material and sealed The 60-Hz voltage with a sine wave form as wrapping of the tape or carton shall be specified in 5.1 of Method D 149, at a value secure and shall protect the contents fully less than 1000 V and raise it at the rate of 500 V/s until puncture occurs In order to 15.2 Each carton shall be marked with prevent flashover, one may secure increased the name of the manufacturer or trade mark, width by attaching to each side of the test the month and year of manufacture, and the specimen an added piece of tape, making a nominal width, thickness, and length of the 3-mm (0.125-in.) lap seam carefully rolled tape down Other suitable means may be used such as sampling and testing from the master TEST METHODS roll 16 Room Temperaîure 20 Fusion Test 16.1 The temperature of the room in 20.1 Spirally wrap a piece of tape while which the tensile strength, elongation, and elongated to 200 2 20 % of its original fusion tests are made shall be 23 k2"C (73.4 length for a distance of approximately 150 I3.6"F) mm (6 in.) around an Awg size 8 wire in such a manner that except for the ends, the 17 Free Sulfur Test tape shall be four layers deep Affix the end of the tape to make a lap splice with the 17.1 A chemical analysis for free sulfur underlying tape and roll the specimen so shall be made as specified in Section 28 of formed between the palms of the hand Method D 297 Condition the specimen at a temperature of 23 I2°C (73.4 iz 3.6"F) for a period of 24 18 Tensile Strength and Elongation Tests h 18.l Perform the tests for tensile strength 20.2 The fused tape shall not show any and elongation as specified in Method D 412, evidence of unwinding or flagging with the following exceptions: 21 Heat Resisîance Test 18.1.1 The room temperature shall be as specified in Section 16 21.1 Specimens shall be prepared as fol- lows: Butt-wrap the tape around a 50 to 75- 18.1.2 Cut the test specimens from a sin- mm (2 to 3-in.) mandrel, for a distance of gle-ply sample 125 to 150 mm (5 to 6 in.), with minimum elongation, taking care to reduce air space 18.1.3 Use the dumbbell-shaped test specimen and cut with the ASTM standard die as shown in Fig 1 (Die A) of Method D 412, except that the ends of the specimen cut from a 20-mm (0.75-in.) tape need not , 3 ':-.-;.* : -'., r,: I 7009276 0039277 710 = 4Cb D 119 between the adjacent layers to a minimum graduated to 0.02 mm (0.001 in.) and having Build the specimen to a four layer thickness a presser foot 6.35 f 0.25 mm (0.25 i 0.01 by applying the tape smoothly and evenly, in.) in diameter, exerting a total force of 2.5 maintaining a 50 % overlay Support the 2 0.03 N (10 A 0.1 ozf) Apply the load by entire assembly in a circulating air oven for 7 means of a weight Determine the thickness of the separator in a similar manner Con- days at 95°C (203°F) sider the thickness of the separator sub- tracted from the thickness of the tape and 21.2 After exposure to the conditions as separator to be the thickness of the tape stated in 21 l, the specimen shall exhibit no Make five thickness and five width measure- visual porosity, blisters, delamination, crack- ments at random in a length of not less than ing, or visible sag 0.9 m (1 yd) and the average of these five 22 Measurement of Thickness and Width measurements shall be the average thickness and width specified in Section 9 22.1 Determine the thickness of the tape and separator by means of a micrometer Non-Adjust height of the top electrode so thai a preg9urc of 7 kPa is exerted on the s@m PIG 1 DieiectrkStreythTest The American Society 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