1、MIL-C-434bH 3 9999906 0524177 1 MIL-C-43468H 31 March 1992 SUPERSEDING 17 July 1990 MU;-C-43468G MILITARY SPECIFICATION cL#I“, CAMOUFLAGE PATIEFCA, WIND FESISTANI? POPLIN, CECN This specification is approved for use by all Departments and Agencies of the kWnt of Defense. 1. SCOPE i- PW, 1.1 Scope. T
2、his specification covers wind resistant cotton poplin cloth, dyed and overprinted with the specified camouflage pattern. 1.2 Classification. The cloth shall be of the follming types as specified (see 6.2). Type III - Woodland Camouflage Pattern Type IV - Woodland Camouflage Pattern, quarpel treated
3、Typ V - Desert Camouflage Pattern (3 color) Typ VI - Desert Camouflage Pattern (3 color), permethrin treated Type VI1 - Desert Camouflage Pattern (3 color), quarpel treated 2. APPLICABLF: DcxmEwrs 2.1 Government doaments. 2.1.1 Specifications , standards, and hanhks . The .f ollawhg specif i- cation
4、s, standards, and handtxmks form a part of this document to the extent specified herein. Unless otherwise specified, the issueS.of these documents Beneficial comnts (recomndations, additions and deletions) and any pertinent data which may be used in improving this document should be addressed to: U.
5、S. Army Natick Research, Developnt, and Engineering Center, Natick, MA 01760-5019, by using the Standardization Docurrient Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A FSC 8305 DISTRIBUTION Sm A. Approved for public release; distribution is unlimit
6、ed. Licensed by Information Handling ServicesMIL-C-434bH 3 9999706 0524178 3 MIL-C-43468H 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). SPECIEICATIONS FEDERAL A-A-50199 - Thread,
7、Polyester Core, Cotton- or Polyester-Covered MILITARY MIL-1-44411 - Insect Repellent, Pemthrh STANDARDS FED-STD-4 - Glossary of Fabric Imperfections FED-STD-191 - Textile Test Methods FED-STD-803 - Packaging of Cotton and Cotton-Synthetic Fiber Blend Fabrics (Excluding Duck Fabrics) (Unless otherwis
8、e indicated, copies of federal and military specifications, standards, and handbooks are available from the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Government documents, drawhqs, and publications. The follahg other Government d
9、ocuments, drawings, and publications form a part of this document to the extent specified herein. the issues are those cited h the solicitation. Unless otherwise specified, DRAWINGS U.S. ARMY JWTICK RESEARCH, DEXELOPI“, AND ENGI“G CENTER 2-1-1516 - Woodland Pattern - 48 inches 2-1-1516B - Woodland P
10、attern - 60 inches 2-1-2240 - 3 Color Desert Pattern - 48 and 60 inch Pattern (Copies of drawings are available from the U.S. Army Natick Research, Development, and Engineering Center, AITN: STRNC-UX, Natick, MA 01760-5017.) FEDERAL TRADE COMMISSION Rules and Regulations Under the Textile Fiber Prod
11、ucts Identification Act 2 Licensed by Information Handling ServicesMIL-C-434bH 3 H 999990b 0524179 5 W MIL-C-4 34 68H (Copies are available fromthe Federal Trade CorcSnission, Pennsylvha 0 Avenue at Sixth Street, N.W., Waskington, Dc 20580-0001.) 2.2 Non-Goveniment publications. The folluwing docume
12、nts form a part of this document to the extent specified herein. the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. the issues of dccuments not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.
13、2). Unless otherwise specified, Unless otherwise specified, 0 AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) Chromtic Transference Scale (Application for copies should be addressed to the American Association of t skitteriness exceeding that sham by the standard s-le in any of the pr
14、inted areas shall not be acceptable. III and IV printed finished cloth shall be 27.25 +1.25 -2.5 inches. standard sample is not referenced for pattern execution of types III and IV, a pattern drawing shall be provided and the pattern on the finished cloth shall match that of the drawing (see 6.2). T
15、he pattern repeat of the types When the 3.5.1.1 Printins screens or rollers, types III and IV. Screens or rollers shall conform to the required pattern Drawing 2-1-1516 for 48-inch width, and Drawing 2-1-1516B for 60-inch width fabric. 3.5.2 Pattern execution, tvpes V, VI, and VII. The pattern shall
16、 reproduce the standard sample with respect to design, colors and registration of the respective areas. and finished cloth shall be 16.75 +1.25 -2.25 inches. shall shm solid coverage. sample in any of the printed areas will not be acceptable. sample is not referenced for pattern execution, a pattern
17、 drawing shall be provided and the pattern on the finished cloth shall match that of Drawing 2-1-2240 for types V, VI, and VI1 (see 2.1.2, 6.2, and 6.4). The warpvise pattern repeat of the dyed, printed Each pattern area Skitteriness exceeding that sham by the standxd When the standard 3.6 Spectral
18、reflectance. 3.6.1 Spectral reflectance, types III and IV. The spectral reflectance of each color for the Woodland camouflage printed finished cloth, shall conform to the requirmmts specified in table I when tested as specified in 4.4.3. TABLE I. Spectral reflectance requirements, tvpes III and IV V
19、alues (percent) Dark Green 355 Light and Wavelength Green 354 Bram 356 Black 357 nanomters Min Max Min Max Max 600 620 8 21 3 10 8 21 3 10 6 10 10 Licensed by Information Handling ServicesNIL-C-434bH 83 999990b 0524183 7 MIL-C-43468H TABLE I. Spectral reflectance requirmnts, tvpes III and IV (contd)
20、 Values (percent) Dark Green 355 Light and Wavelength Green 354 Bram 356 Black 357 nanometers Min Max Min Max Max 64 O 660 680 700 720 740 760 780 800 820 840 860 8 8 10 13 16 21 27 34 41 48 50 52 21 22 27 40 53 64 73 80 85 88 90 91 3 3 3 4 5 7 11 17 24 32 39 46 10 12 16 18 20 28 36 44 52 60 68 74 1
21、0 10 10 10 10 10 10 10 10 10 10 10 3.6.2 Spectral reflectance, tvpes V, VI, and VII. The spectral reflectance factors for Light Tan 492, Light Bram 493 and Light Khaki 494 for the three color camouflage pattern shall conform to the corresponding requirements specified in table II, when tested as spe
22、cified in 4.4.3. TABLE II. Spectral reflectance resuiremnts, tms V, VI, and VI1 Reflectance values (percent) Wavelengths Light Tan 492 Light Bram 493 Light Khaki 494 O nanmters ()(Inax) min (I() .Inin max ()(I ,min, m3X 700 720 740 760 780 800 820 840 860 38 38 39 40 41 43 45 48 50 53 54 55 56 57 58
23、 59 62 65 19 20 20 21 21 22 23 24 25 41 41 42 42 42 43 45 46 48 25 25 25 26 27 28 30 33 36 44 45 46 47 48 50 52 55 58 3.7 Phvsical requr ements. The camouflage printed finished cloth shall conform to the requir-nts in table III when tested as specified in 4.4.3. 7 Licensed by Information Handling Se
24、rvicesMIL-C-43468H 83 9799906 0524384 9 MILC-43468H TABLE III. Physical requirements Yams per Breaking Tearing Wt. per inch strength strength Air perma- minimum minimum biiity (CU. h. Max. Warp Filling Warp Filling Warp Fillinq ft/min/sq. sq. yd. minirmim Ounces Pounds Pounds Pounds Pounds ft.) max.
25、 ave. III, v and Vi 5.7 7.0 104 52 110 68 4.0 4.0 18.0 IV and VI1 5.7 7.2 104 52 100 60 4.0 4.0 15.0 3.7.1 Width. The width of the cloth shall be as specified (see 6.2) and shall be the minimum acceptable width inclusive of the selvage when fly shuttle looms or shuttleless with tuck-in selvage looms
26、 are used. other shuttleless loom the width measurement shall be made between the last warp yarn on each side excluding the protruding fringe(s). For all 3.7.2 Weave. The weave shall have reinforcemznt ribs in both the warp and the filling directions fo e.g. Halon, magnesium oxide, or vitrolite tile
27、s (see 6.6). The spectral band width shall be less than 26 nm at 860 nm. measurenents shall be made by either the mncchromtic or plychromtic mode of opration. spectrophotometer shall operate with the specimen diffusely illuminated with the full emission of a continuous source that simulates either C
28、IE Source A or CIE Source D65. The specimen shall be viewed at an angle no greater than loo from normal, with the specular component included. accuracy of the spectrophotometer shall be within 1 percent and wavelength accuracy within 2 nm. measurement device shall be 1.0 to 1.25 inches in diameter.
29、Areas to be measured for each color shall be lightly marked with a circle, at least 1.50 inches in diameter, on the reverse side of the fabric, and at least 6 ir;ches fromthe selvage. with layers of the same fabric and shade. pattern cloth, three backing layers shall be used for Light Green 354, Dar
30、k Green 355 and Bram 356 colors. mo backing layers shall be used for Black 357. as a single layer backed with four layers of the same shade cut fromthe standard. so that the reinforcement ribs in the fill direction are parallel with the horizontal plane. different areas and the data averaged. for an
31、y color at four or more wavelengths do not meet the limits for the Woodland pattern (types III and IV) in table I, and 3 color Desert pattern (types V, VI, and VII) in table II, it shall be considered a test failure. Reflectance When the polycliromtic mode of operation is used, the Photometric The s
32、tandard aperture size used in the color The specimen shall be measured as a single layer backed For types III and IV Woodland For types V, VI, and VI1 Desert pattern, the spechen shall be measured When presented to the sample port, the specimen shall be oriented Measurements shall be taken on a mhhm
33、m of three When the measured reflectance values 4.5.5 Pemiethrin content analysis. The permethrh content of treated fabric shall be determined by a gas chromatographic procedure and directly compared to an external standard containing a known permethin content. 4.5.5.1 Appar atus. 4.5.5.1.1 Gas chro
34、mtoqraph. The gas chromtograph shall be equipped with an electron capture detector. 4.5.5.1.1.1 Gas tank. The gas tank shall contain an Argon/Methane (95 percent/5 percent) mixture and be equipped with an appropriate gas regulator. 16 Licensed by Information Handling ServicesMIL-C-43468H 83 9999906
35、0524373 T 9 MIM-4 3468H 4.5.5.1.1.2 Glass column. The glass column shall be 6 feet by 1/8 inch I.D. 4.5.5.1.1.3 Column packing. The packing shall be 3.0 percent OV-225 on 10/120 Mesh Gas Chrom Q (or equivalent). 4.5.5.1.1.4 GC septa. 4.5.5.1.2 10 microliter svrinqe. 4.5.5.1.3 Analvtical balance. 4.5
36、.5.1.4 Electrical heater with variable control. 4.5.5.1.5 Heat resistant qlass flask. The glass flask shall be a 250 fi, flat bottom, single neck, heat resistant glass flask. 4.5.5.1.6 Soxhlet extractor. 4.5.5.1.7 Extractor condenser. 4.5.5.1.8 50 fi volumetric flask. 4.5.5.1.9 Graduated cylinder. 4
37、.5.5.1.10 Funnel. 4.5.5.1.11 Pipettes. 4.5.5.1.12 Boilinq chips. 4.5.5.2 Reaqents. 4.5.5.2.1 Permethrin. The permethrin shall consist of 40 percent Technical, a minimum 35 percent (i) cis and a mxhnum 65 percent (2) trans. 4.5.5.2.2 Mixture. The mixture shall be of 80 percent 190 W cutoff reagent gr
38、ade acetonitrile and 20 percent reagent grade methanol. 4.5.5.3 Preparation. 4.5.5.3.1 Stock solution. Prepare a stock solution by weighing 1.250 g pemthrin solution (see 4.5.5.2.1) to the nearest 1 mg into a 100 I and the quantities *a*, Ab*, AL* are sample minus standard in CIELAB coordinates. The
39、 coefficients gll, 2gI2, g22 and g33 are given by the following equations, where a o and b o represent the CIELAB a* and b* values of the standard, c is the chroma tolerance, h is the hue tolerance, and v (for value) is the lightness tolerance: * * 1* O = tan- (b */a* O) gll = (cos20/c2) + (sin20/h2
40、) 2gI2 g22 = (sin20/c2) + (cos20/h2) = 2 sin 0 cos 0 (1/c2) - (l/h2) 933 = l/j! Hue, Chrom and Lightness Tolerances for the Woodland Pattern, Cotton, Poplin Liqhtness (v) chroma (c) Hue (h) Light Green 354 Dark Green 355 Brown 35G Black 357 2.26 2.20 1.88 2.70 22 1.32 1.30 1.28 1.50 1.16 1.11 0.74 1
41、,25 e P P e Licensed by Information Handling ServicesMIL-C-434bH 83 9999906 0524199 O ,/ MIL-C-43468H Specimens recording AA values less than those listed for each color in 3.4.4.1 represent acceptable matches for color to the standard; those spechens with higher A A values are unacceptable. Natick
42、TR-80/036, Investigations to Define Acceptability Tolerance Ranges in Various Regions of Color Space, E. Allen and B. Center, Natick, MA those interested in writing a software program for the acceptability equation. Yuhas, U.S. Army Natick RD&E 01760-5019, Sept. 1981, is available from Natick for 6.
43、12 Subject term (key word) listinq. Clothing Desert Insect repellent, treated Permethrin Printed cloth Quarpei Water repellent treated Woodland 6.13 Chanqes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extensiveness of the changes. custcdians : Preparing activity: Army-a Navy - Nu Air Force - 99 Review activities: (Project 8305-0447) Army- MD Navy - Mc Air Force - 82 DLA - Cl?, GS User activity: Air Force - 45 23 Licensed by Information Handling Services
