DLA MIL-C-8061-1953 CLOTH NYLON RASCHEL KNIT《拉舍尔编织尼龙布》.pdf

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1、H 9Ob L8b3068 535 H MIL-C-8061 (USAF) 13 February 1953 MLLITARY SPECIFICATION CLOTH, NYLON, RASCHEL KNIT 1. SCOPE 1.1 Scope.- This specification covers one type of rasche1 knitted nylon cloth. 2. APPLICABLE SPECIFICATIONS, STANDARDS, AND PUBLICATIONS 2.1 The following specifications, standards, and

2、publications of the issue in effect on date of invitation for bids, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL CCC-T-191 Textile Test Methods MILITARY MIL-P-6065 Packaging, Packing, and Marking of Cloth, Fabric, and Webbing STANDARDS MILITARY MIL-STD-129

3、 Marking of Shipments PUBLICATI ON S U. S. Air Force Specification Bulletin No. 94, Textile Defects, Classification of (Copies of specifications, standards, and publications required by contractors in connection with specific procurement functions should be obtained from the procuring agency or as d

4、irected by the contracting officer . ) 3. REQUIREMENTS 3.1 Standard sample.- Unless otherwise specified, the cloth shall be equal to the standard sample in all respects not specifically covered by this specification. (see 6.3) 3.2 Material.- The material used in the manufacture of the cloth shall be

5、 high tenacity filament nylon yarn of suitable grade and denier. I. .r . 3- .- I . -. 1 . , Licensed by Information Handling Services-2- MIL-C-806 1 (USAF) 3.3 Construction and physical requirements.- The finished cloth shall conform to the following requirement.s when tested as specified in 4.6. Th

6、ickness, inches (max) 0.04 Bursting strength, lbc (min) 250 Weight, ozlsq yd (max) 10.5 Wales direction Courses direction Shrinkage , % (max) 3 3 Breaking strength, lbs/inch (min) 200 2 O0 Elongation at 2/3 breaking load,%(max) 75 100 Ultimate elongation, %(max) 95 125 Tearing strength, lbs (min) 25

7、 25 3.3.1 The cloth shall be a raschel knit fabric with 65 ends (minimum per inch knit 6 mesh per inch in each direction. 3.4 Dimens ions 3.4.1 Width.- The width of the finished cloth shall be as specified by the procuring agency. (see 6.2) 3.4.2 Length of cuts.- The length of single continuous piec

8、es or cuts shall be 100 to 125 yards, except that shorter cuts may be included in accordance with the following schedule: 75 percent in cuts of 100 to 125 yards 15 percent in cuts of 25 to 100 yards 10 percent in cuts of 15 to 25 yards. 3.4.3 Length of roll.- Regular rolls shall contain not more tha

9、n 125 yards of cloth. Short lengths shall be rolled together to the specified roll size and the roll labeled to indicate that it is com- posed of short lengths. 3.5 Color.- Color shall be as specified by the procuring agency. (see 6.2) shade designated in the procurement document. When a color is sp

10、ecified, it shall match an approved standard 3.5.1 Colorfastness.- When a color is specified, the finished cloth shall have a colorfastness rating of “good“ to laundering, dry cleaning, and wet and dry crocking when tested as specified in 4.6. The coor- fastness to light rating shall be “good“ when

11、tested as specified in 4.6. G-3 Licensed by Information Handling Services-3 - MIL-C-8061 (USAF) 3.6 Finish 3.6.1 Residual size, finishing oils, or other nonfibrous materials shall not exceed 1-1/2 percent when tested as specified in 4.6. 3.6.2 The use of dyestuffs, detergents, or other chemicals or

12、finishing agents which would cause deterioration under normal ware- house storage conditions? affect its serviceability, or cause dermatitis or prolonged intimate skin contact is prohibited. Acidity.- 3.6.3 The finished cloth shall have a pH value of 5.0 to 9.0 when tested as specified in 4.6. 3.6.4

13、 Heat stabilization.- The material shall be given a heat set treatment to stabilize the construction of the fabric. 3.7 Identification marking.- Identification marking of cloth shall be in accordance with Specification MIL-P-6065. 3.8 Workmanship.- The product shall be manufactured in accordance wit

14、h high grade commercial practice to produce material of uniform quality substantially free from defects of any character. 3.8.1 Limitation of defects.- When the material of this specifi- cation is included in a category of material described in Air Force Specification Bulletin No. 94, Textile Defect

15、s, Classification of, the marking of defects, the designation of acceptable and non-acceptable defects, the limitation of non-acceptable defects, and the amount of additional material, if any, which shall be furnished without cost for each defect shall be in accordance with Bulletin No. 94. 4. SAMPL

16、ING, INSPECTION, AND TEST PROCEDURES 4.1 Inspection tests.- All the tests specified here are classi- fied as inspection tests. The contractor shall furnish all samples and shall be responsible for accomplishing the required inspection tests. When inspection is conducted at the Contractors plant, all

17、 inspection and testing shall be under the supervision of the Government inspector. Inspection may be made throughout the entire process of manufacture. The passing as satisfactory of any detail of construction or material shall not relieve the contractor of responsibility for faulty workmanship or

18、material which may be discovered at any time prior to final acceptance, and shall in no case be construed as a guaranty of the acceptance of the finished product. Contractors not having laboratory testing facilities satisfactory to the Government shall engage the services of a commercial testing lab

19、oratory acceptable to the procuring agency. The contractor shall furnish test reports, in duplicate, showing quantitative results for all tests required by this specification, and signed by an authorized representative of the contractor or laboratory, as applicable. G-4 Licensed by Information Handl

20、ing ServicesOb LBb307L 02T = -4 - MIL-C-806 1 (USAF) 4.2 Inspection.- Inspection shall consist of visual inspection and all inspection tests specified herein. Inspection shall be at point of manufacture unless otherwise specified by the procuring agency. (see 6.2) In case of inspection at factory, e

21、very facility for the prosecution of this work shall be afforded by the manufacturer to the inspector. 4.2.1 Visual inspection.- Visual inspection shall be 100 percent and shall include the inspection of the packaging, packing, and marking, and of conformance to requirements of this specification no

22、t covered by tests. Visual inspection for defects shall be accomplished before the cloth is prepared for shipment. 4.3 Defective material.- Inspection for defects of worlcnanship and material shall be in accordance with U. C. Air Force Specification Bulletin No. 94, Textile Defects, Classification o

23、f; where applicable. 4.4 Rejection.- Failure of any sample of cloth to conform to any of the requirements of this specification shall be caused for rejection of the lot represented. 4.5 Atmospheric conditions for testing.- Unless otherwise specified in the test method, all tests shall be made on spe

24、cimens in standard condition as described in Specification CCC-T-191, section 4. 4.6 Tests.- All tests shall be conducted as specified herein. 4.6.1 Specification CCC-T-191 test methods: Test - Sizing (non fibrous materials) Acidity Thic kne s s Weight Yarns per inch Meshes per inch L/ Breaking stre

25、ngth and elongation Bursting strength Tearing strength Colorfastness to: Laundry Dry cleaning Croc king Light 21 Method No., CCC-T-191 2611 2811 5030 504 1 5050 5050 5 100 5120 5134 5614 5620 5650 5660 - i/ Except that the meshes per inch shall be countec in each direction. - 2/ Except exposure shal

26、l be for 20 Standard Fading Hours. 4.6.2 Color matching.- The color shall match the approved standard shade under natural (north sky) daylight or artificial daylight having a color temperature of 7500 degrees Kelvin. G-5 Licensed by Information Handling Services99999Ob LBb3072 Tbb -5- MIL-C-8061 (UC

27、AF) 4.6.3 Heat stabilization.- The contractor shall include in the test report a certified statement to the effect that a suitable heat set process has been applied to stabilize the cloth. 4.6.4 Shrinkage.- After conditioning for not less than 4 hours, an 18-inch square shall be marked on a 20-inch

28、square specimen by means of a template, using indelible ink. A metal tub of adequate size to accommodate the specimen prepared as described below shall be filled to within 3 inches of the top with water which shall then be heated to a boil. shall be placed in the boiling water in a “skein“ form prep

29、ared by stapling two opposite sides of the specimen together to form a loop or “skein This shall then be placed over a glass rod 1/4 inch in diameter and 21 inches in length. A glass tube 1/2 irich in diameter and 21 inches long weighing approximately 45 grams shall be placed inside the loop at the

30、bottom. The loop shall then be suspended in the boiling water bath by sttaching it to another glass rod 24 inches long and 1/4 inch in diameter by means of twine or wire. The 24-inch glass rod shall rest on the top of the tub allowing the specimen to hang freely in the bath. The specimen shall be su

31、bjected to the action of the boiling water bath for a period of 15 minutes after which it shall be removed from the tub and allowed to drain for a few minutes, and the staples shall be removed from the sample which shall then be placed flat on a horizontal screen to dry. is thoroughly dry, it shall

32、be exposed for at least 4 hours to a standard atmosphere of 65 percent relative humidity and a temperature of 21.1“ C (70F.). The 18-inch square shall then be measured in three places and the amount of shrinkage recorded. The specimen After the specimen 4.7 Sample for physical testing.- A sample, or

33、 samples, each at least 2 yards long and full width of the cloth, to be furnished at no additional cost to the Government, shall be taken from each lot sub- mitted for acceptance on any contract or order. Each sample shall be suitably tagged to identify it with the roll sampled and such samples shal

34、l be subjected to all tests specified herein. When an inspection lot exceeds 5,000 yards, an additional sample for each 5,000 yards or fraction thereof of the excess shall be taken. 5. PREPARATION FOR DELIVERY 5.1 Application.- The packaging, packing, and marking requirements specified herein apply

35、only to direct purchases by or direct shipments to the Government. 5.2 Packaging and packing.- in accordance with Specification MIL-P-6065. The cloth shall be packaged and packed 5.3 Marking of shipments.- Interior packages and exterior shipping containers shall be marked in accordance with Standard

36、 MLL-STD-129. The nomenclature shall read as follows: Cloth, Nylon, Rasche1 Knit, 12 oz per sq yd, Width* , Color* . * Applicable data to be entered by the contractor. . G-6 Licensed by Information Handling Services= 06 1863073 T2 -6- MIL-C-8061 (USAF) 6. NOTES 6.1 Intended use.- The material covere

37、d by this specification is intended for use in the manufacture of safety harnesses in troop tranc- ports. 6.2 Ordering data.- The procurement document should specify the f o 1 1 owing : a. Number, title, and date of this specification. b. Width required. c. Color required. d. Point of inspection. e.

38、 Whether domestic or overseas shipment is required (see section 5). 6.3 Standard sample.- For access to standard sample, address the procuring office issuing the invitation for bids. 6.4 Standard shade.- For access to standard shade, address the pro- curing office issuing the invitation for bids. No

39、tice: When Government drawings, specifications, or other data are used for any purpose other than in connection with a definitely related Government procurement operation, the United States Government thereby incurs no responsibility nor any obligation whatsoever; and the fact that the Government ma

40、y have formulated, furnished or in any way supplied the said drawings, specifications or other data, is not to be regarded by implication or otherwise as in any manner licensing the holder or any other person or corporation, or conveying any rights or permission to manufacture, use or sell any patented invention that may in anyway be related thereto. WCRTT-3 FMO/rfw *-: G-7 %L Licensed by Information Handling Services