1、I - MIL-C-28776 83 W 9797906 0386878 8 m -3 - - . MIL-C-28996(MC) 27 March 1973 MILITARY SPECIFICATION CLOTH, L1 IINATED: COTTON; RUBBER OR SYNTHETIC RUBBER COATED This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specificat
2、ion covers requirements for cotton laminated cloth, rubber or synthetic rubber coated, 1.2 Classification. The cloth shall be of the following types, as specified (see 6.2). Type I - Muslin to Muslin Type II - .Twill to Sateen 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue n effect
3、 on date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein. SPEC IF ICATIONS FEDERAL CCC- C- 446 CCC-D- 950 PPP-E-1136 STANDARDS FEDERAL FED - STD - 19 1 MIL ITARY MIL- STD- 105 . I - Cloth, Muslin, Cotton. - - Dyeing And Aftertreating ,P
4、rocesses For Cotton Cloths. Packaging And Packing Of Coated (Plastic Rubber) And , Laminated Fabrics. - Textile Test Methods. - Sampling Procedures And Tables For Inspection By Attributes FSC 8305 M Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL
5、-C-2877b 83 77777Ub 0386879 T I MIL-C-28996(MC) (Copies of specifications and standards required by suppliers in connection with specific procurement functions should be obtained from the procurement activity or as directed by the contracting officer.) 2.2 Other publications. The following document
6、forms a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. AMERICAN SOCIETY FOR TESTING MATERIALS ASTM Designation: Manganese in Textiles. D-377 Methods of Test for Small Amoun
7、ts of Copper and (Application for copies should be addressed to the American Society for Testing Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103.) 3. REQUIREMENTS 3.1 Sample. Samples are furnished solely for guidance and information to the supplier (see 6.3). Variation from this specif
8、ication may appear in the sample, in which case the specification shall govern. 3.2 First article. Unless otherwise specified (see 6.2) before production is commenced, a sample of each type of finished laminated cloth contracted for . shall be submitted,-or made available to the contracting officer
9、or his authorized representative for approval. 2-1/2-yard sample of each of the basic materials, a 5-1/2-yard, full width, sample of the type I finished laminated cloth or a 4-yard sample of the type II finished laminated cloth, as applicable, The approval of the first article authorizes the commenc
10、ement of production, but does not relieve the supplier of responsibility for compliance with all provisions of the specification. The first article shall be manufactured by the supplier in the same facilities to be used for the manufacture of the production items. The first article should consist of
11、 a 3.3 Materials. 3.3.1 Basic material. The basic materials shall be cotton conforming to the following: (a) Type I. The outer material shall conform to type III, class 3 of CCC-C-446 and the inner material shall conform to type II, class 2 of CCC-C-446 except nonfibrous materials and colorfastness
12、requirements do not apply. In addition, both materials shall meet the requirements specified in 3.3.1.1 through 3.3.1.4.1. (b) Type II. The outer and inner materials shall conform to the following requirements. In addition, both materials shall meet the requirements specified in 3.3.1.1 through 3.3.
13、1.4.1, except 3.3.1.3.1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-28996 83 W 7999906 0386880 b W MIL- C- 28996 (MC) Outer Inner Fabric I Fabric 2/1 5 -Harness Right Twill Filling Sateen - Weave Threads per inch (minimum). Warp Filling We
14、ight ounces per square yard maximum. Breaking strength, pounds (minimum) . Warp 70 66 3.2 50 90 Filling Tearing strength, scale reading (minimum), JO qn Warp Filling JU 25 66 98 3.3 28 50 55 48 3.3.1.1 Copper and manganese content. The basic materials shall not contain more than 0.003 percent copper
15、 and 0,0015 percent manganese when tested as specified in Section 4, Table LII. 3.3.1.2 Nonfibrous materials. The basic materials shall not contain more than 2.5 percent nonfibrous materials when tested as specified in Section 4, Table III. 3.3.1.3 Finish. 3.3.1.3.1 Water repellency (type I only). T
16、ype 1 basic materials shal1,be given a suitable water repellent finish so that the coated material meets the water absorption requirements specified in Table I. - TABLE I. Physical properties for type I laminatedcloth Characteristic Minimum Maximm- Weight - oz/sq. yd. Breaking strength - pounds. War
17、p Filling Tearing strength - scale reading. Warp Filling Hydrostatic resistance - pound/sq. inch. Initial After strength of: coating. After resistance to low temperature Initial After water spray After accelerated aging Flexibility - centimeters. At 7OoF At OOF. After heat treatment Water absorption
18、 - grams Adhesion - pounds. 11 .o 100 60 40 25 80 40 40 10 8 7.5 13.0 14 .O 14 .O 0.30 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-28776 83 7779906 0386883 8 U 3.3.1.3.2 Mildew inhibitor. When specified (see 6.21, the basic materials shall
19、be made mildew resistant by impregnation with 1.50 20.25 percent 2,2 methylene (bis-4-chlorophenol) (dihydroxydichlorodiphenylmethane), using a two-bath aqueous or solvent application as specified in Section 4, Table III. The treated base material shall not lose more than 10 percent of its breaking
20、strength in the warp direction when tested as specified in Section 4, Table III. 3.3.1.4 Color. suitable for assuring conformance to the color of the finished material specified in 3.4. The basic material shall be vat dyed a shade of green 3.3.1.4.1 Colorfastness. The dyed material shall show good f
21、astness to laundering, bleaching, perspiration and crocking and fastness to light after 40 standard fading hours, when tested as specified in Section 4, Table III. 3.3.2 Coating and combining compound. The compound used for coating and combining the outer and inner materials shall be made from natur
22、al or synthetic rubber. A certificate of compliance shall be submitted by the supplier to the contracting officer stating that these requirements have been met. Reclaimed rubber shall not be used. 3.4 Design and construction. When combining the basic materials to form type I or type II lamhated mate
23、rial, the applicable basic materials shall be combined back to back with coating between the plies, with the twill and sateen side facing away from the coating, then vulcanized. material shall be free of coating and the color shall be OG 107 conforming to the standard shade sample (see 6.3) when tes
24、ted as specified in 4.3. physical properties of the vplcanized laminated materials shall conform to the requirements shown in Tables I and II when tested as specified in Section 4, Table IV. The face of the laminated The TABLE II. Physical properties for type II laminated cloth Minimum Maximum Chara
25、cteristic 11.5 Weight - oz/sq. yd, Breaking strength - pounds. Tearing strength - scale reading. Hydrostatic resistance - pounds/sq warp Filling Warp Filling Initial After resistance to low temperature Adhesion - pounds 85 80 55 50 inch 40 20 14 Provided by IHSNot for ResaleNo reproduction or networ
26、king permitted without license from IHS-,-,-MIL-C-28796 83 7999906 0386882 T - MIL - C - 289 9 6 (MCI 3.5 Length and put-up, The finished laminated cloth shall be put up in - rolls not less than 40 yards in length. No roll shall contain more than two pieces and no piece shall be less than i0 yards i
27、n length. permitted per roll; however, a spliced piece shall be considered as two pieces, One splice is 3.6 Width. .The minimum width for type I material with selvage shall be 35 inches and the width of type 11 material shall be as specified in the contract or order (see 6.2). 3.7 Workmanship. The f
28、inished materials shall conform to the quality and grade of product established by this specification. The occurrence of defects Shall not- exceed the applicable- acceptable quality levels (AQLs). 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the co
29、ntract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements speci
30、ied herein, unless disapproved by the Government. the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. The Government reserves 4.1.1 Certificate of compliance. Where
31、certificates of compliance are permitted, the Government reserves the right to check test such items to determine the validity of the certification. 4.2 Inspection. Inspection shall be in accordance with the provisions set forth in MIL-STD-105, except when otherwise indicated herein. 4.2.1 First art
32、icle inspection. When first article is required, it shall be visually inspected for appearance and color. tested for physical and chemical properties in accordance with 4.3. The first article shall be 4.2.2 Component and material testing. In addition to the quality assurance provisions of applicable
33、 subsidiary specificl a MIL-C-2899b 83 MIL-C- 28996(MC) ., 3 U al U $4 O $4 u) U 4 Ei z 2 O U rl -I P s U W al z O u ! 8 Oh BO I .I i H 4j a O -us u)u w c) d u u) d k al u $4 a : i“u ND X W dinin rl cv N N* ?-! mmm mmm . 5 o 4 k al a u W in N m l-l Ul N ? 1 m -. -!I r! ? in m m I i1 xxxx X XW xx X W
34、XXX X O l-ld N l-l l-l dl-ll-ld m N 12 2 ? -!Y ? -! mm m m mc? m m O D D in l-l in o in m m U B u fi I rlcn PUvj o +cal bo d H H 6 i Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-w O .yo O m E 5 m 4 al w O b b m I n Q 3 al E h P a .rl al U al a al
35、P 2 E 4 d (d .F; rn U C al U C O u al rn al C (d M C d E a C cd b al a a O U al e* m Q or single 2 inch or more missing. C. Abrasion mark resulting in a weak area. d. Knots, oversize, extending above surface of e, Floats or skips: cloth. 1. Multiple 1/2 inch or more in combined 2. More than 1/4 inch
36、 but less than 1/2 inch directions, in combined directions. 1/ If a lot contains fewer than three rolls, each roll in be examined. X X X X X X the lot shall D Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-28796 83 m 7777706 0386886 7 m - Clas
37、sification Examine Defect Ha jor Minor X f. Crooked, baggy or wavy cloth. g. Light or heavy filling bar, h, Jerked-in filling, slough off or additional X yarns more than twice the size of the normal yarn , i. Slubs, slugs or gouts more than twice the size of the normal yarn. X X Lamination a. Overal
38、l uncleanness, b, Kink or untrimmed ends. X X C, Coating extends beyond edge of basematerials. x d. Spot or stain. e. Face of cloth not free of coating f , Shade bars. g. Objectionable odor, h. Any crease. Poor dye penetration, qrattled or streaky. Color .- 4.2.3.3 Examination for length and width.
39、X X X X X x 4.2.3.3.1 Individual roll for length and width. The sample unit shall be one roll. The number of rolls to be examined and the acceptance number shall be in accordance with 4.2.3.1. The following shall be considered a defect: (a) Any roll (gross length) less than 40 yards. (b) Any roll (g
40、ross length) more than 2 yards less than gross length marked on ticket. (cl Any piece less than 10 yards. (d) Any roll containing more than two pieces. (e) Any spliced roll containing more than one continuous piece, (f) Width less than specified, Provided by IHSNot for ResaleNo reproduction or netwo
41、rking permitted without license from IHS-,-,-MIL-C-28996MC 4.2.3.3.2 Total yardage in samples. The rolls examined shall be those selected for examination of individual rolls as specified in 4.2.3.3.1. The lot shall be unacceptable if the total of the gross lengths of the rolls in Lhe sample is less
42、than the total. of the gross lengths marked on the tickets. 4.2.4 Examination of preparation for delivery requirements. An examination shall be made in accordance with the provisions of PPP-P-1136 to determine compliance with packaging, packing and marking requirements of Section 5 of this specifica
43、tion. 4.3 Testing of the end item. End item testing shall be in accordance with Table IV. The methods of testing specified in Table IV shall be in accordance with FED-STD-191. average of determinations made on a sample unit for test purposes as specified in the applicable test method. 1 linear yard.
44、 The sample unit for test purposes shall be 5-1/2 yards, full width of type I finished laminated cloth and 4 yards full width of type II finished laminated cloth. .The sample size shall be in accordance with 4.2.3.1. The lot shall be unacceptable if one or more sample units fail to meet any test req
45、uirements specified herein. For those characteristics wherein test results are reported as pass or fail, there shall be no evidence of failure of any test specimen to meet the requirements as specified herein. The requirements specified in Section 3 apply to the The lot size shall be expressed in un
46、its of 4.3.1 Color matchinq. The color shall match an approved standard shade (see 6.3) under natural (north sky) daylight or artificial daylight having a color temperature of 7500 Kelvin, and shall be a good approximation to the standard .shade under incandescent lamplight at 2800 Kelvin. O 5. PREP
47、ARATION FOR DELIVERY. 5.1 Packaginp and packinq. Packaging and packing shall be the level of shipment specified in the contract or order in accordance with PPP-P-i136 (see 6.2). 5.2 Markinq. .In addition to any special marking required by the contract or order, interior packages and shipping contain
48、ers shall be marked in accordance with PPP-P-1136. 6. NOTES 6.1 Intended use. The laminated cloth c0vere.d by this specification is intended for use in the manufacture of wet weather clothing. 6.2 Ordering data. Purchasers should exercise any desired options offered herein, and procurement documents
49、 should specify the following: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2996 3 m 9797906 In H H H H ba Co HH H F Y$ alcl ?ri4 O00 O0 VIVI mm mm zaa mec manl ooN CUVI moo mVI H H 4 HHH 11 ;:is UUOM 44q4 O000 H u. O t- oo m IHH U B MIL-C- 28996(MC) k O *rl $4 a vi al O 3 C *rl E O m C cd i5 vi vi al d. wo ou Provided by IHSNot for Resal
