DLA A-A-1451 A-1995 TWINE FIBROUS《纤维丝》.pdf
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1、A-A-L 45LA m 9799974 OLb8000 bT4 INCH-POUND A-A-1451A SUPERSEDING A-A-1451 May 11, 1981 July 28, 1995 COMMERCIAL ITEM DESCRIPTION TWINE, FIBROUS The General Services Administration has authorized the use of this commercial item description, for all federal agencies. 1. SCOPE 1.1 ScoDe. This commerci
2、al item description covers cotton wrapping twine intended for general purpose usage. 2. CLASSIFICATION 2.1 Classification. The twine shall be of the size specified (see Table I and 7.2). 3. SALIENT CHARACTERISTICS 3.1 Material and construction. The twine shall be fabricated from 100 percent natural
3、color cotton yarn or cotton/polyester blended yarns of suitable staple and grade to meet the requirements of this commercial item description. When cotton/polyester blended yarns are used, the polyester content shall be not less than 50 percent and not more than 65 percent. The twine shall be “S” tw
4、ist and shall have the physical properties in Table I. 3.2 Put-ur. The twine shall be put-up in a minimum weight of 1, 2, or 5 pound (0.453kg, 0.906kg, or 2.265kg) ball or cone, as specified. Each ball or cone shall be continuous throughout with no loose ends. The twine shall be wound so that each t
5、urn and layer are free from entanglement, and balls shall unwind from the inside without collapsing. Each ball or cone shall contain not more than one knot per 1/2 pound (0.226kg) of twine. Each cone shall have a red colored trailer or marker approximately 20 feet (6.lm) long attached ahead of the i
6、nside end of the twine. li IlBeneficial comments, recommendations, additions, deletions, llclarifications, etc. and any data which may improve this document should be sent to: General Services Administration, Engineering IGroup (7FXEE) , 819 Taylor St. , Fort Worth, TX 76102 I! DISTRIBUTION STATEMEN
7、T A: Approved for public release; distribution is unlimited. FSC 4020 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-L45LA 12 1500 (458m) 24 (10.9ks) 16 1125 343m) 32 14.5ks1, 24 750 (229m) 48 (22.0ks) B (2 Ply min.) 2300 (Min.) (702m) 3300 (Max
8、.) (1007m) 20.5 (9.3kg) 20 900 (2 75m) 40 (18.lku) - A (2 Plv min.) 115O(Min.) (351m) 1600(Max.) (488m) 40 (18. lkq) m 9999974 OLbOOL 530 m , 3.4 Mildew-resistant. When mildew resistant twine is specified, the twine shall be treated with copper-8-quinolinolate. The color shall be that shade imparted
9、 by the treatment on natural-color twine. The inhibitor shall be applied from a solvent bath process so as to deposit within the twine a minimum of 0.13 to a maximum of 0.40 percent copper as metal from copper 8-quinolinolate. The contractor shall certify that any petroleum fractions, oils, or resin
10、s are of a non-oxidizing type and free of other copper compounds or naphthenic acids and its salts. 3.5 Workmanshiri. The twine shall have no defect that affects appearance or serviceability. 3.6 Measurement svstem. The values stated in inch-pound units are to be regarded as the standard. The metric
11、 values stated in parentheses are for information purposes only. 3.7 Metric products. Products manufactured to metric dimensions will be considered on an equal basis with those manufactured using inch-pound units, providing they fall within the tolerances specified and all other requirements of this
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- DLAAA1451A1995TWINEFIBROUS 纤维 PDF
