1、I INCH POUNDI MIL-DTL-82288C 26 June 2000 SUPERSEDING 23 January 1981 MIL-T-82288B DETAILED SPECIFICATION TARPAULIN: LAMINATED, VINYL-NYLON OR VINYL-POLYESTER, FLEXIBLE This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE * 1.1 Scope. This spe
2、cification covers the requirements for tarpaulins fabricated of flexible, vinyl-nylon or vinyl polyester, laminated cloth. * 1.2 Classification (See 6.2): Type1 - 16ft.XlOOft. Type II - 14 ft. X 12 ft. 2. APPLICABLE DOCUMENTS “2.1 General. The documents listed in this section are specified in sectio
3、ns 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet
4、 all specified requirements documents cited in sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government documents. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: D
5、efense Supply Center Philadelphia, Clothing and Textiles Directorate,Attn: DSCP-CNR, 700 Robbins Avenue, Building 6D, Philadelphia, PA 19 1 1 1-5094, by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 8340 Provided by IHS
6、Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 822 8 8C 2.2.1 Specifications, standards, and handbooks The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issu
7、e of these documents are those listed in the issue of the Department of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL V-T-285 - Thread, Polyester DDD-L-20 A-A-553 O8 - Label, for Clothing, Equipage andTentag
8、e, (General Use) - Cloth and Strip, Laminated or Coated, Vinyl Nylon or Polyester, High Strength, Flexible STANDARDS FEDERAL FED-STD-595 - Colors Used in Government Procurement “(Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the
9、Document Automation And Production Service, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19 1 1 1-5094.) “2.2 Non-Government publications The following document(s) form a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DoD ado
10、pted are those listed in the issue of the DODISS cited in this solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA, INC. NASM1649 1 - Grommet, Metal
11、lic, General Specification For “(Copies may be obtained from the Aerospace Industries Associationof America, Inc. 1250 Eye Street, N.W., Washington, DC 20005). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D5034 - Breaking Force and Elongation of Textile Fabrics D6193 - Seams, Stitching and Sewi
12、ng (Copies may be obtained from the American Society for testing and Materials, 100Barr Harbor Drive, West Conshohocken, PA 19428.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 822 8 8C “2.3 Order of precedence. In the event of a confli
13、ct between the text of this specification and the references cited herein, the text of this specification takes precedence. Nothing in this specification, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS “3.1 First article. When speci
14、fied, (see 6.2), a sample shall be subjected to first article inspection (see 4.2 and 6.2). “3.2 Materials and components. Materials and components shall be as specified herein and in referenced documents and drawings. Materials not definitely specified shall be of the quality normally used by the m
15、anufacturer provided the complete item complies with all provisions of this document. It is encouraged that recycled material be used when practical as long as it meets the requirements of this document. “3.2.1 Base fabric. The base fabric for the Type I Tarpaulin shall conform to Type I, Class 1,2
16、or 3, form 1 or Type II, Class 2, Form 1 as specified (see 6.2) of A-A-55308. The base fabric for the Type II Tarpaulin shall conform to Type II, Class 2,Form 1 of A-A-55308. The smooth side of the fabric shall be the face of the finished tarpaulin. 3.2.2 Color. The color or color combinations for t
17、he Type I and Type II tarpaulins shall be as specified (see 6.2) and shall conform to FED-STD-595. “3.2.3 Grommets. The grommets shall be in accordance with NASM16491 3.2.4 Thread, polyester. The thread used for all stitching shall conform to Type I, Class 1, sub- class B, size FF of V-T-285. The th
18、read may be colored or natural. When colored thread is used, the thread shall approximately match the color specified for the base fabric. Requirements for colorfastness shall not apply. 3.2.5 Adhesive. Adhesive used to cement the seams and hems shall be of a type compatible with the coated fabric a
19、nd shall be capable of producing seams to meet the requirements of 3.4.2.3. All cemented areas shall be thoroughly dried andtalced if necessary. 3.3 Design. 3.3.1 Type I Tarpaulin The size of the Type I tarpaulin shall be as specified in 1.2. It shall be fabricated from lengths of the specified base
20、 fabric, joined by heat-sealed seams along their lengthwise edges and be furnished with a plain edge and without grommets. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 822 8 8C 3.3.2 Type II Tarpaulin. The size of the Type II tarpaulin
21、shall be as specified in 1.2. The design of the Type II tarpaulin shall be in accordance with figure 1. The tarpaulin shall be fabricated from lengths of the specified base fabric with heat-sealed or cemented seams. The tarpaulin shall have a turn under hem and be furnished with grommets as specifie
22、d in 3.2.3 and attached as in figure 2. 3.4 Construction. The construction of the tarpaulins shall conform to figures 1 and 2 and the requirements herein. 3.4.1 Type I, Tarpaulin. 3.4.1.1 Width. The type I tarpaulin shall be made of four (4) widths of material specified in 3.3.1 and shall be constru
23、cted by heat sealing along theirwarpwise edges so that the overall width shall measure 16 feet (+5 inches - 1 inch). 3.4.1.2 Length. The finished length of the type I Tarpaulin shall be 1 O0 feet (+3 ft.-O ft.). The parallel outer edges of the tarpaulin shall measure within 2 feet of each other. 3.4
24、.1.3 Splices. Each width of basecloth heat sealed together shall consist of not more than two (2) unbroken continuous lengths, heat sealed together in the same manner as the long sides and as specified in 3.4.1.4. None of the pieces so spliced shall be less than seven (7) yards in length. Splices sh
25、all be so staggered that on adjacent widths the splices are not less than 18 inches apart. “3.4.1.4 Seams. Type I Tarpaulin seams shall be constructed by the use of a heat sealing apparatus or machine. The fused zone shall be not less than 34 inch wide and shall be uniform in appearance. The seam sh
26、all extend along the entire length of the tarpaulin. The excess material along the edge of the seam on both face and back shall not exceed % inch and shall not contain any brittle or excess materials. The strength of the seam shall not be less than 150 pounds per inch when Type I, Class 2, Form 1 of
27、 A-A-55308 is used and not less than 70 pounds per inch when Type II, Class 2, Form 1 fabric of A-A-55308 is used. If the seam strength is not measurable because the base fabric itself is breaking while the heat sealed seam remains intact, the seam strength shall be considered acceptable, provided t
28、he base fabric itself meets the break strength requirement of A-A-55308. Testing shall be as specified in 4.5. Heat sealed seams shall be smooth, fully adhered throughout their lengths and shall be free of puckers, air pockets or tunnels. As an alternate to heat sealing, any other suitable method ex
29、cept stitching may be used provided the above requirements are met. 3.4.1.5 Heat sealed sheet. 3.4.1.5.1 &a. The area of each heat sealed sheet shall be computed individually and recorded on its shipping container in square feet. When the unit of purchase is a square foot, the computed area shall be
30、 the basis for invoicing. The formula below shall be used to compute the area of each sheet (reported to the nearest square foot): 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 822 8 8C 3.4.1 S.2 Length. Each heat sealed sheet shall be p
31、re-measured before further processing. Length of the shorter of the two sides in inches X 192 (in nom. Width) - sq. feet 144 (inches in a square foot) 3.4.1.6 Cleanliness Type I tarpaulins when procured in yellow shade 23655 of FED-STD 595 are applicable to a critical end use and shall be completely
32、 free and clean from all defects which could cause contamination in that use. 3.4.2 Tme II Tarpaulin. The tarpaulin shall be made as shown in figure 1. The finished tarpaulin shall be made of not more than three (3) panels of the material specified in 3.2.1 Seams shall be either heat-sealed or cemen
33、ted with a suitable adhesive (see 3.2.5). 3.4.2.1 Dimensions Measurements shall be 14 feet e 2 inches) in length and 12 feet (2 2 inches) in width. “3.4.2.2 Splices. No more than one lengthwise panel in a tarpaulin may have one widthwise splice. The splice may be no closer than 3 feet from the end o
34、f the tarpaulin. The seams shall be spliced in accordance with 3.4.1.4. 3.4.2.3 Seams. The seams shall be full length and shall be parallel to the lengthwise direction of the tarpaulin. Seams may be either heat sealed or cemented. The strength of the seam shall be not less than 70 pounds per inch wh
35、en tested as specified in 4.5. All seams shall be smooth and fully adhered throughout their lengths and shall be free of puckers, air pockets or tunnels. As an alternate to heat sealing or cementing, any other suitable method except stitching may be used provided the above requirements are met. 3.4.
36、2.4 Hems. The type II, tarpaulin shall have a two-inch, double turn under hem either cemented, with a suitable adhesive (see 3.2.5) heat sealed or stitched as shown in figure 1 3.4.2.4.1 Stitching. All stitching shall conform to stitch type 301 or 401 of ASTM-D 6193 , 7 to 9 stitches per inch. Stitc
37、hing type for the hem shall be in accordance with figure 1. Thread breaks in stitching shall be overstitched not less than 1 inch at each break, except where ends are turned under in a hem and held down by the other stitching. Thread breaks of401 stitch type shall be repaired using 30 1 stitch type.
38、 The addition of any lubricant to the polyester thread prior to or during the sewing operation is prohibited. 3.4.2.5 Attaching of grommets. Grommets, as specified in 3.2.3, shall be attached in accordance with figure 1. Holes punched to receive grommets shall be smaller than the outside diameter of
39、 the grommet barrel so that the grommet must be forced through the hole. Grommets shall be securely clinched without cutting the material. 3.4.3 Patches. The application of repair patches to the surface of the laminated cloth and over welded seams shall be permitted on either face or back of the she
40、ets. Patches shall be made of the specified basecloth and the surface grain shall run in the same direction, and shall be facing 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 822 8 8C up or down in the same manner as the basecloth to whi
41、ch they are attached. Patches over a single ply of thebasecloth shall not exceed two (2) inches in their longest dimension. They shall be rounded all along their circumference and the edges shall be smooth and free from protrusions. Patches shall be either welded or cemented to the laminated cloth t
42、o adhere firmly and completely. There shall be no loose areas nor shall any portion of a patch come loose when the cloth is flexed or patches are probed manually. There shall be no more than six patches on either face or back of any heat sealed sheet. Patches over the fused zone shall be heat sealed
43、 completely and fused to the area to which they are attached. They shall be completely aligned with the weld and trimmed as specified. Only one side of a fused zone may be patched (face or back) along any given length. There shall be no more than 18 inches of patching on either face or back of the h
44、eat sealed sheet, continuously or intermittently, over any one of the lengthwise seams and there shall be no patch over any transverse seam. 3.5 Marking. All marking shall conform to requirements specified in DDD-L-20 and shall be on the face side of the base fabric. 3.5.1 US marking. Tarpaulin shal
45、l have the letters “US”. The marking shall conform to Type IV, class 9 of DDD-L-20, and shall show good colorfastness to accelerated weathering. The lettering for Type I tarpaulin shall be 34 inch block letter and shall appear on the face side, one in each square yard approximately. The lettering fo
46、r Type I tarpaulin shall be in accordance with Figure I. 3.5.2 Identification marking Marking for the Type II tarpaulin shall conform to Type IV, class 8 of DDD-L-20. Location of markings shall be as shown on figure 1 and shall include the following: Item description, Contract No., Federal Stock No.
47、, Size, and Contractors name. “3.6 Workmanship. The finished tarpaulins shall conform to the quality of product established by this specification. 4. VERIFICATION 4.1 Classification of inspection The inspection requirements specified herein are classified as follows: a. First article inspection (see
48、 4.2) b. Conformance inspection (see 4.3) 4.2 First article inspection When a first article is required (see 6.2) it shall be examined for the defects listed in 4.4.3. 4.3 Conformance inspection Sampling for inspection shall be as specified in the contract or purchase order. 4.3.1 Component and mate
49、rial inspection In accordance with 4.1, components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified or qualified in this specification or applicable purchase document. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL- 822 8 8C 4.3.1.1 Examination of length of the laminated cloth In addition to the examination and tests
