1、MIL-C-q4270 3 M 7777906 0402250 O m MIL-C-44270 16 March 1987 I_ - MILITARY SPECIFICATION CLOTH, POLYESTER/COTTON, FOR HOSPITAL DUTY UNIFORM (HDU) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1 * 1.1 Scope. This document covers require
2、ments for three types of polyester/ cotton blend cloth (see 6.1). 1.2 Classification. The cloth shall be of the following types (as specified, see 6.2): Type I - 3.0 oz/sq yd, 80/20 polyester/cotton, broadcloth Type II - 5.5 oz/sq yd, 65/35 polyester/cotton, twill Type III - 7.0 oz/sq yd, 65/35 poly
3、ester/cotton, twill 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Documents. The following documents form a part of thisdocument to the extent specified herein. Unless otherwise specified, the issues of these docu- ments shall be those listed in the issue of the Department of Defense Index
4、 of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation. Beneficial comments (recommendations, additions, deletions) and any pertinent data which niay be of use in improving this document should be addressed to: U.S. Army Natick Research, Development, and Engineer
5、ing Center, Natick, MA 01760-5014 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. I AMSC N/A FSC 8305 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for
6、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-44270 SPECIFICATIONS FE DE RAZ, PPP-P-1134 - Packaging of Cotton and Cotton-Synthetic Blend Fabrics (Excluding Duck Fabrics) MILITARY MIL-T-43548 - Thread, Polyester, Core: Cotton-, Rayon-, or Polyester-Covered STANDARD
7、S FE DE RAL FED-STD-4 - Glossary of Fabric Imperfections FED-STD-191 - Textile Test Methods MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes (Copies of documents required by contractors in connection with specific acquisition functions should be obtained from the co
8、ntracting activity or as directed by the contracting activity.) 2.1.2 Other Government documents. The following other Government documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. Rul
9、es and Regulations Under the Textile Fiber Products Identification Act (Copies may be obtained without charge from the Federal Trade Commission, Washington, DC 20580.) 2.2 Other publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specif
10、ied, the issues of the documents which are DOD adopted shall be those listed in the issues of the DODISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DODISS shall be the issues of the nongovernment documents which are current on the date of the
11、 solicitation. AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (UTCC) Chromatic Transference Scale Method 124 - Appearance of Durable Press Fabric After Repeated Home Launderings 2 - -. - _- - - , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-
12、,-MIL-C-Y4270 3 m 7797706 0402252 4 m MIL-C-4427 O (Copies may be obtained from the American Association of Textile Chemists and Colorists, P.O. Box 12215, Research Triangle Park, NC 27709-2215.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 1424 - Tear Resistance of Woven Fabrics by Falling P
13、endulum (Elmendorf) Apparatus (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Technical society and technical association documents are generally available for reference from libraries. and using Federal agenc
14、ies.) They are also distributed among technical groups 2.3 Order of precedence. In the event of a conflict between the text of this document and kh references cited herein, the text of this document shall take precedence. Nothing in this document, however, shall supersede applicable laws and regulat
15、ions unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Standard sample. The finished cloth shall match the standard sample with respect toball dharacteristics for which the standard sample is referenced (see 6.3). 3.2 .Materials. . 3.2.1 Fibers. The fibers shall be polyester and cot
16、ton. 7 3.2.2 Yarns. - 3.2.2.1 Typ I. For type I, the warp yarns shall be a blend of 65 5 5 percent polyester and the remaining percentage carded and combed cotton, spun into singles yarn. The filling yarns shall be made from continuous multi- filament polyester yarn. 3.2.2.2 Types II and 11Z For typ
17、es II and III, the warp and the filling yarns shall be a blend of 65 2 5 percent polyester and the remaining percentage carded and combed cotton, spun into singles yarn. 3.3 Color. The finished cloth shall be bleached optical white to match the standard sample, and shall be produced by chemical blea
18、ching using a peroxygen- type agent and a fluorescent optical brightener with a resulting peak emission in the blue violet region. the standard sample.when tested as specified in 4.2.3. The hue of fluorescence shall be tle srne as that of 3.3.1 Labile sulfur. The use of dyes and compounds containing
19、 elementary sulfur capable of oxidation to sulfuric acid is prohibited. The dyes shall be 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-4 4 27 O chosen and applied so that the dyed cloth shall contain no more labile sulfur than shown by the
20、 standard sample or no more than a slight trace of labile sulfur when tested as specified in 4.2.3. 3.3.2 Matching. The color and appearance of the dyed and finished cloth shall match the standard sample when viewed under filtered tungsten lamps which approximate artificial daylight having a correla
21、ted color temperature of 7500 5 200 K, with illumination of 100 f. 20 candles, and shall be a good match to the sample under incandescent lamplight at 2300 5 200 K. 3.3.3 Colorfastness. The finished cloth shall show colorfastness to laundering (after three cycles), perspiration and light equal to or
22、 better than the standard sample or equal to or better than a rating of “good“ when tested as specified in 4.2.3. 3.4 Physical requirements. The finished cloth shall conform to the physical requirements specified in table I when tested as specified in 4.2.3. TABLE I. Physical requirements Weight Yar
23、ns per inch Breaking strength Tearing strength odsq Yd minimum pounds minimum pounds minimum Tym minimum Warp Filling Warp Filling Warp Filling -u -l-_CIII_-II.-_ll_.II -F- -_LI_ _- -_- I 2.5 110 68 10 o 60 II 4.6 118 48 14 O 70 5.0 5.0 III 6.8 116 47 170 120 5.0 4.5 3.4.1 Weave. For type I, the wea
24、ve shall be plain. For types II and III, the weave shall be 2/1 left hand twill. 3.4.2 Width. The width of the cloth shall be specified (see 6.2) and shall be the minimum acceptable width exclusive of selvages. 3.5 Cloth preparation. The cloth shall be desized, scoured, mercerized, bleached, and hea
25、t set. 3.6 Nonfibrous materials. For type I the starch and protein content including chloroform-soluble and water-soluble material for the finished cloth, and prior to durable press treatment for types II and III, shall Rot exceed 2.25 percent when tested as specified in 4.2.3. 3.7 Dimensional stabi
26、lity. The finished cloth shall not shrink or elongate more than 2.0 percent in either the warp or the filling direction, when tested as specified in 4.2.3. 3.8 Finish, types,II. and III only. The types II and III cloths shall be given, an approved precured durable press treatment (see 6.5). 4 Y- Pro
27、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-LI4270 83 H 7777706 OLIO2254 B MIL-C-44270 3.9 Appearance rating, types II and III only. The types II and III cured cloths shall have an appearawe 2atifig ofnotiless than 3.0 when tested after five l
28、aunderings as specified in4.2.3. 3.10 Seam efficiency. The finished cloth shall have a seam efficiency of not less than 80 percent when tested as specified in 4.2.3. 3.11 pH. The pH value of the water extract of the finished cloth shall be no less than 5.0 nor more then 8.5 when tested as specified
29、in 4.2.3. 3.12 Length and put-uE. Unless otherwise specified (see 6.21, the cloth The shall be furnished in continuous lengths, each not less than 40 yards. cloth shall be put-up on rolls as specified in 5.1. 3.13 Fiber identification. Each roll shall be labeled, or ticketed for fiber content in acc
30、ordance with the Textile Fiber Products Identification Act. 3.14 Workmanshie. The finished cloth shall conform to the quality established by this document. calculated as specified in section 4 shall not exceed the established maximum point value. The demerit points per 100 square yards when 4. QUALI
31、TY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. in the contract or purchase order, the contractor may use his own or any othe
32、r facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in this document where such inspections are deemed necessary to assure supplies and services
33、conform to the prescribed requirements. Except as otherwise specified 4.1.1 Respons$bility for compliance. All items must meet all requirements of The inspection set forth in this document shall become a part sections 3and 5. of the contractors overall inspection system or quality program. The absen
34、ce of any inspection requirement in the document shall not relieve the contractor of the responsibility of assuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling in quality conformance does not authorize submission of
35、known defective material, either indicated or actual, nor does it commit the Government to acceptance of defective material. 4.1,2 Certificate of cornpliance. When certificates of compliance are sub- mitted, Che Government reserves the right to check test such items to determine the validity of the
36、certification. 5 - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-44230 83 9 9999906 0402255 T 9 MIL-C-44270 4.2 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in ackrdance with MIL-STD-1
37、05. 4.2.1 Component 9nd material inspection. In accordance with 4.1, components and materials shall be “inspected“ih accordance with all requirements of referenced documents unless otherwise excluded, amended, modified, or qualified in this document or applicable purchase document. 4.2.1.1 Yard-by-y
38、ard ex,a.mination. Each roll in the sample shall be examined on the face side only. yards, the entire yardage in the roll shall be examined. in roll exceeds 100 yards, only 100 yards shall be examined. defined in Section I of FED-STD-4, which are clearly noticeable at normal inspection distance (3 f
39、eet) shall be scored and assigned demerit points as listed in 4.2.1.1.1 except that only those slubs and knots which exceed the limits shown on Sears Fabric Defect scales (see 6.6), E or 3 as applicable for slubs and B for knots, shall be scored. the measuring device of the inspection machine) from
40、any one roll within the sample shall be penalized more than four points. accordance with the following: When the rtotal yardage in the roll does not exceed 100 When the total yardage All defects, as No linear yard (increments of 1 yard on The sample size shall be in Lot size (yards) Sample size (-11
41、s) IJ 3200 or less 8 3201 to 10,000 inclusive 13 10,001 and over 20 I f. I I;/ No more than one roll shall be taken from any shipping container unless the number of shipping containers in the lot is less than the required number of rolls in which case all shipping containers shall be present in the
42、sample. The lot shall be unacceptable if the points per 100 square yards of the total yardage examined exceeds 30.0 points. points per 100 square yards of two or more individual rolls exceeds 45.0 points. If one roll exceeds 45.0 points per 100 square yards, a second sample of the size indicated abo
43、ve shall be examined only for individual roll quality. lot shall be unacceptable if one or more rolls in the second sample exceeds the point level. shall be as follows: The lot shall be unacceptable if the The Point computation for lot quality and individual roll quality - Points per 100 .- Total po
44、ints s,cgred in sample qize x. 3609 Contracted width f cloth (inches) x Total yards inspected square yards 4.2.1.1.1 Demerit points. Demerit points shall be assigned as follows: For defects 3 inches or less in any dimension - one point 6 a . n a Provided by IHSNot for ResaleNo reproduction or networ
45、king permitted without license from IHS-,-,-a t a MIL-C-Y4270 83 7997906 0402256 L _ .- .- MIL-C-44 27 O For defects exceeding 3 inches, but not exceeding 6 inches in any dimension - two points For defects exceeding 6 inches, but not exceeding 9 inches in any dimension - three points For defects exc
46、eeding 9 inches in any dimension - four points The following defects, when present, shall be scored four points for each yard in which they occur: Holes, cuts, or tears Baggy, ridgy, or wavy cloth Width less than specified Overall uncleanness Off shade Excessive neppiness 4.2.1.2 Length examination.
47、 During the yard-by-yard examination, each roll in the sample shall be-examhed for length, Any length found to be less than the minim shaded side to side, side to center, or end to end; or not having the same appearance as the standard sample shall be cause for rejection of the entire lot represente
48、d by the sample. Any 4.2.1.4 Rol.1 %identification examination. During the yard-by-yard. examination each roll in the sample shall be examined for identification of fiber content. The lot shall be unacceptable if two or more rolls in the sample are not labeled or ticketed in accordance with the Text
49、ile Fiber Products Identification Act. The cloth shall be tested for the characteristics 4.2.3 End item testing. listed in table II. applicable and as listedin table II shall be followed. chemical values specified in section 3 apply to the average results of the determinations made on a sample unit for test purposes as specified in the applicable test method. All test reports shall contain the individual values utilized in express
