DLA A-A-52081 B-1998 TAPE LACING AND TYING POLYESTER《聚酯纤维绳》.pdf
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1、AMSC/NA FSC 4020A-A-52081B23 May 1998SUPERSEDINGA-A-52081A1 October 1997COMMERCIAL ITEM DESCRIPTIONTAPE, LACING AND TYING, POLYESTERThe General Services Administration has authorized the use of this commercial itemdescription as a replacement for Type II of MIL-T-43435B for all federal agencies.1. S
2、COPE. This Commercial Item Description (CID) covers polyester tape, flat braided, for lacing and tying.2. CLASSIFICATION. Tape shall conform to the sizes and finishes as specified. (see 3.3 and 3.6)2.1 Size. The size shall be identified as 1,2,3,4 or 5. (see Table I)2.2 Finish. The finish shall be i
3、dentified as A, B, C or E. (see paragraph 3.6)3. SALIENT CHARACTERISTICS.3.1 Material. The yarn used in the fabrication of the tape shall be a high tenacity, continuous filament,polyester yarn.3.2 Construction. The tape shall be a flat braid construction.3.3 Physical Requirements. Tape shall conform
4、 to the requirements of Table 1.TABLE 1: Tape, Lacing and Tying, PolyesterSize Width ininchesThickness ininchesBreakingStrengthMin Max Min Max (Lbs, min)1 .180 .220 .013 .019 1352 .099 .121 .012 .018 803 .077 .094 .011 .017 504 .054 .066 .009 .015 255 .045 .055 .006 .014 153.4 Elongation. Maximum el
5、ongation at breaking strength shall not be greater than 40% when tested asspecified in Fed-Std-191 Method 4108. This test to be performed simultaneously with breaking strength.3.5 Color. Unless otherwise specified, the color of the tape shall be natural. When a particular color isspecified, the colo
6、r shall be imparted by using spun dyed fiber or by dyeing the fiber or tape prior to application ofthe finish. The inclusion of one or two dark marker threads of the same fiber shall be accepted.INCH-POUNDBeneficial comments, recommendations, additions, deletions, clarifications, etc., and any other
7、 data which may improve thisdocument should be sent to: Defense Industrial Supply Center, ATTN.: DISC-BBEE, 700 Robbins Avenue, Philadelphia, PA19111-5096Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52081B23.6 Finish. A finish option shall be
8、specified, in accordance with 3.6.1 through 3.6.4. Tape finishes shallnot contain any mercury or copper. All finishes shall be able to be used freely in direct contact with insulated cableor wire.3.6.1 Finish A - Natural. No finish shall be added.3.6.2 Finish B - Microcrystalline fungicide wax. Tape
9、 shall be uniformly treated, and shall contain 15-32% wax by weight. (see 5.2.1)3.6.3 Finish C - Synthetic rubber. Tape shall be uniformly impregnated with a synthetic rubber orelastomer finish. Treated tape shall contain 7-17% rubber by weight. (see 5.2.1)3.6.4 Finish E - Vinyl chloride or vinyl ch
10、loride acetate copolymer. Tape shall be uniformly coated, andshall contain 15-30% of the material by weight. (see 5.2.1)3.7 Knot Slip Resistance. (Applicable to Finish C only). Stress applied to a specimen made by joiningtwo ends of the braided tape with a square knot shall result in the breakage of
11、 the tape specimen rather the slippageor pulling out of the knot when tested as specified in Paragraph 5.2.2. Knot slip resistance is not applicable totapes which have finish A, B, and E.3.8 Put-up. Unless otherwise specified, the tape shall be furnished on parallel wind spools (reels) oruniversal w
12、ind tubes (holders). Size 1 and 2 tapes shall be put-up in a minimum of 250 yard lengths, and size 3,4, and 5 tapes shall be put-up in a minimum of 500 yard lengths. The tape shall be free from twists, lumps, orprojecting ends and shall be evenly wound so that each turn and layer is free from entang
13、lement and twisting.There shall be no more than four pieces per reel or holder, and no piece shall be less than 50 yards in length.3.9 Breaking Strength. Minimum breaking strength shall be as stated in Table I when tested as specifiedin Fed-Std-191 Method 4108.3.10 Fungus Resistance. No tape shall s
14、how visible growth (to the naked eye) of fungus on the surfaceof the test specimens when tested as specified in Fed-Std-191 Method 5760.3.11 Blocking. There shall be no visible damage or removal of the coatings on finish C, and E tapeswhen tested as specified in Paragraph 5.2.3.3.12 Accelerated Agin
15、g. When specified (see 7.4), finish C, and E tapes shall show no evidence ofstiffness, brittleness, softness, or tackiness when tested as specified in Fed-Std-191 Method 5852, except that thespecimen shall be six inches in length by the full width of the tape.3.13 Identification. Tape shall be tagge
16、d with a label or ticket containing at least the followinginformation: CID part number, National Stock Number, date of manufacture, and manufacturers name. Whenput-up or color is non-standard, the tag shall indicate the actual color or length.4. REGULATORY REQUIREMENTS4.1 The offerer/contractor is e
17、ncouraged to use recovered materials to the maximum extent practicable, inaccordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52081B35. QUALITY ASSURANCE PROVISIONS.5.1 Prod
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