DLA A-A-55308-1997 CLOTH AND STRIP LAMINATED OR COATED VINYL NYLON OR POLYESTER HIGH STRENGTH FLEXIBLE《弹性高强度塑料尼龙或聚酯》.pdf

1、INCH-POUNDA-A-55308May 13, 1997COMMERCIAL ITEM DESCRIPTIONCLOTH AND STRIP, LAMINATED OR COATED, VINYL NYLON ORPOLYESTER, HIGH STRENGTH, FLEXIBLEThe General Services Administration has authorized the use of this commercial itemdescription in preference to MIL-C-43006.1. Scope. This document covers th

2、ree types, three classes and two forms of laminated orcoated cloth. The cloth is intended for use in the manufacture of protective covers andtarpaulins; the laminated strip is intended for nuclear pipe insulation.2. Classification. The cloth shall be in the following types, classes and forms:Type I

3、- Heavy DutyType II - Medium DutyType III - Light DutyClass 1 - RegularClass 2 - SpecialClass 3 - Special laminated constructionForm 1 - Cloth (width as specified)Form 2 - Strip, 3 inches wide3. Salient Characteristics.3.1 Description. The base cloth shall be an open mesh woven or weft inserted warp

4、 knitnylon or polyester cloth. The polyvinylchloride material shall not contain water solubleingredients; only phosphate and phthalate ester plasticizers shall be used for the purpose ofmildew resistance.3.2 Laminated or Coated cloth. The polyvinylchloride material shall be applied to both sidesof t

5、he base cloth. The face side of the finished cloth shall be comparatively smooth and theback side may be rough (areas located over the points at which the yarns cross will be raisedand the areas between the yarns will be depressed). The physical properties of the finishedcloth (and the strip in clot

6、h form prior to being cut into strip) shall conform to therequirements specified in Table I when tested as specified.Beneficial comments, recommendations, additions, deletions, clarifications, etc. and anydata which may improve this document should be sent to: Defense Personnel SupportCenter, Clothi

7、ng and Textiles Directorate, Attn: DPSC-FNS, 2800 South 20th Street,Philadelphia, PA 19145-5099.AMSC N/A FSC 8305DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5530

8、823.3 Color. The color of the finished cloth shall match the applicable color number of FED-STD-595 or shall match the approved color standard for the color specified where such asample is applicable. The color of the finished cloth shall match the standard sample whenviewed under filtered tungsten

9、lamps that approximate artificial daylight and that have acorrelated color temperature of 7500 + 200 K, with illumination of 100 + 20 footcandles andshall be a good match to the standard sample under incandescent lamplight at 2300 + 200 K.3.4 Physical Requirements The cloth shall conform to the requ

10、irements listed in Table I.Table I Requirements of finished clothType I Type II Type IIICharacteristic 1 2 3 1 2 1 2Weight oz/yd2 MaximumMinimum19.817.119.817.119.817.111.09.011.09.06.65.46.65.4Breaking Strength lbs. (min.)InitialWarpFillingAfter abrasionWarpFillingAfter accelerated weathering 1/War

11、pFilling295295177177162162295295177177162162295295177177162162909045454949909045454949757523234141757523234141Tearing Strength lbs. (min.)WarpFilling9393939393933232323228282828Hydrostatic Resistance, psi (min) 425 425 425 180 180 135 135Stiffness, cm (max)At 70o FAt 20o F14.020.014.020.018.025.09.0

12、15.09.015.08.511.08.511.0Adhesion of coating, face sidelbs/2 inch width (min)25.0 20.0 25.0 20.0 15.0 15.0 12.0Flame Resistance 2/:warp Any blister or delamination; Any lump; Any crease orwrinkle resulting in fold, pleat or doubling or adhesion of surfaces that cannot be corrected bymanual pressure;

13、 Any film or coating missing to expose the base cloth; Any spot, stain orstreak more than 1 inch in combined directions, clearly visible at normal inspection distance(3 feet); Any objectionable odor (odors of chemicals commonly used in coating compoundsshall not be regarded as objectionable); Width

14、specified not within a tolerance of + 1/2 inch;Broken or missing yarn clearly visible at normal inspection distance (3 feet) by either directviewing or through-lighting; 3 or more contiguous broken or missing yarns of any length;Crease or wrinkle of single ply film or coating or any crease wrinkle o

15、r bunching of basecloth that cannot be corrected by manual pressure; Any embedded foreign matter clearlyvisible at normal inspection distance (3 feet); by either direct viewing or through-lighting;Color not as specified; Color not uniform or is mottled, blotchy or spotted; Uneven thicknessof film or

16、 coating clearly noticeable. Any tackiness (film or coating shall not block so as tocause surfaces to adhere and not unroll readily); Edges rolled, folded, scalloped, or corded;Not evenly laminated or coated.5.7 Length examination. Each individual roll in the sample shall be examined for the defects

17、listed below. If the total number of defects in the sample roll exceeds the maximum number ofdefects specified below, the lot shall be rejected.Any roll containing more than two pieces.Any piece in roll less than 25 yards.Any roll with a total length of less than 80 yards or more than 125 yards.Any

18、roll with a total length more than two yards less than that marked on ticket.End of pieces in roll not overlapped.End of pieces in roll joined by a seam.5.8 Acceptance criteria. Acceptance criteria shall be as specified in the contract or purchaseorder.Provided by IHSNot for ResaleNo reproduction or

19、 networking permitted without license from IHS-,-,-A-A-5530866. PACKAGING6.1 Preservation, packing and marking. The preservation, packing and marking shall be asspecified in the contract or order.7. NOTES7.1 Source of Government Documents. Copies of Military and Federal documents areavailable from:S

20、tandardization Documents Order DeskBldg. 4D700 Robbins AvenuePhiladelphia, PA 19111-50947.2 Sources of Nongovernment Documents.AMERICAN SOCIETY FOR TESTING AND MATERIALS(Applications for copies should be addressed to the American Society for Testing andMaterials, 100 Barr Harbor Drive, West Conshoho

21、cken, PA 19426-2959.)NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)NFPA 701 - Fire Tests for Flame Resistant Textiles and Films(Applications for copies should be addressed to the National Fire Protection Association,Batterymarch Park, Quincy, MA 02269)Custodian: Civil Agency Coordinating Activity:Army - GL GSA - FSSNavy - NUAir Force - 99 Preparing Activity:DLA - CTReview Activities:Army - ATAir Force - 45 Project No. 8305-0628Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-