1、MIL-C-43843A SUPERSEDING MIL-C-43843 30 March 1973 20 Nay 1985 MILITARY SPECIFICATION CLOTH, PLAIN WEAVE, POLYESTER/COTTON, PRECURED, DURABLE PRESS This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers blended po
2、lyester and cotton cloth, treated with a cured durable press finish. 2. APPLICABLE DOCUMENTS 2.1 Government documents. Unless otherwise specified, the following documents of-the issue in effect gn date of invitation for bids or request for proposal, form a part of this document to the extent specifi
3、ed herein. SPECIFICATIONS FEDERAL PPP-P-1134 - Packaging of Cotton and Cotton-Synthetic Fiber Blend Fabrics (Excluding Duck Fabrics) MILITARY MIL-T-43548 - Thread, Polyester, Cotton-Covered and Rayon Covered I Beneficial comments (recommendations, additions, deletions) and any pertinent data which m
4、ay be of use in improving this document should be addressed to: U,S. Army Natick Research and Development 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. FSC 8305 THIS DOCUMENT
5、CONTAINS /I PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43843A 83 U 7777706 037b.519 8 L MIL-C-43843A STANDARDS FEDERAL FED-STD-4 - Glossary of Fabric Imperfections FED-STD-191 - Textile Test Methods MILITARY MIL-CTD-105 - Sampling Pr
6、ocedures and Tables for Inspection by Attributes (Copies of documents required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer. ) OTHER GOVERNMENT DOCUMENTS Laws and Regulations Rules and Re
7、gulations 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. Unless otherwise specified, the following documents of the issue in effect on date of invitation for bids or request
8、for proposal, form a part of this document to the extent specified herein. AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) Chromatic Transference Scale Method 124 - Appearance of Durable Press Fabrics after Repeated Home Launderings (Copies of Test Method may be obtained upon applicat
9、ion to American Association of Textile Chemists and Colorists, P.O. Box 12215, Research Triangle Park, NC 27709.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-Ll3843A 3 = 7977706 0376520 4 - MIL-C-43843A (Technical society and technical a
10、ssociation documents are available for reference from libraries. They are also distr technical groups and using Federal agencies.) generally buted among 2.3 mer of precedence. In the event of a conflict between the text of this document and the references cited herein, the text of this document shal
11、l take precedence. 3. REQUIREMENTS 3.1 Standard sample. The dyed, treated, and cured cloth shall match the standard sample with respect to all characteristics for which the standard sample is referenced (see 6.3). 3.2 Materials. 3.2.1 Fibers. 3.2.1.1 Polyester. The fiber shall te polyethylene glycol
12、 terephthalate, 3.2.1.2 Cotton. The cotton shall be carded or combed, 3.2.2 - Yarn. The warp and filling yarn shali be singles made from a blend of 65 + 3 percent polyester and the remaining percentage cotton, based on the dry weight of the desized cloth when tested as specified in 4.2.3. 3.3 Color.
13、 Unless otherwise specified (see 6.21, the color of the dyed, treated and cured cloth shall be Black 305 and shall match the standard sample (see 6.3). 3.3.1 Labile sulfur. The use of dyes and compounds containing elementary sulfur capable of oxidation to sulfuric acid is prohibited. The dyestuff sh
14、all be chosen and applied so that the cloth shall contain no more labile sulfur than shown by the standard sample when tested as specified in 4.2.3. When a standard sample is not available, the cloth shall show no more than a slight trace of labile sulfur when tested as specified in 4.2.3. 3.3.2 Mat
15、ching. The dyed, treated, and cured cloth shall match the standard sample when viewed under filtered tungsten lamps which approximate artificial daylight having a correlated color temperature of 7000 2 500 K, with illumination of 100 2 20 foot candles, and shall be a good match to the standard sampl
16、e under incandescent lamplight at 2300 - + 100 K. 3.3.3 Colorfastness. The dyed, treated, and cured cloth shall show fastness to light, laundering (after 3 cycles), perspiration, and crocking equal to or better than the standard sample. When no standard sample is 3 Provided by IHSNot for ResaleNo re
17、production or networking permitted without license from IHS-,-,-MIL-C-43843A available, the dyed, treated, and cured cloth shall show “good“ fastness to light, laundering (after 3 cycles), perspiration, and crocking when tested as specified in 4.2.3. 3.4 Physical requirements. The dyed,treated and c
18、ured cloth shall conform to the requirements specified in table I when tested as specified in 4.2.3. TABLE I. Physical requirements ounces per Yarns per inch Breaking strength minimum Warp Filling Warp Filling minimum pounds, minimum I02 56 125 90 3.4.1 - Weave. The weave shall be a plain weave. 3,4
19、.2 Width. The width of the cloth shall be as specified (see 6.2) and shall be the minimum acceptable width inclusive of selvages when fly shuttle looms are used, and exclusive of selvages and fringe when shuttleless looms are 3.5 Cloth preparation, The cloth shall be desized, scoured, mercerized, a
20、bleached, and heat set prior to dyeing. 3.6 Nonfibrous materials: The starch and protein content including chloroform-soluble and water-soluble material of the dyed cloth prior to, treatment shall not exceed 2.0 percent when tested as specified in 4.2.3. 3.7 Dimensional stability, The dyed, treated,
21、 and cured cloth shall not shrink or elongate more than 2.0 percent in either the warp or filling direction when tested as specified in 4.2.3. 3.8 Finish. The cloth shall be given an approved durable press treatment (see 6.5). 3.9 Appearance rating. The dyed, treated, and cured cloth shall have an a
22、ppearance rating of not less than 3.5 when tested after five launderings as specified in 4.2.3. 3.10 Seam efficiency. The dyed, treated, and cured 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 cured
23、 cloth shall be no less than 5.0 nor more than 8.5 when tested as specified in 4.2.3. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43843A 83 M 9999906 0376522 8 = 3.12 Length and put-up. Unless otherwise specified (see 6.2), the cured clot
24、h shall be furnished in continuous lengths each not less than 40 yards. cloth shall be put-up on rolls as specified in 5.1. The 3.13 Fiber identification. Each roll shall be labeled or ticketed for fiber content in accordance with the Textile Fiber Products Identification Act. 3.14 Workmanship. The
25、dyed, treated, and cured cloth shall conform to the quality established by this document. when calculated as specified in section 4 shall not exceed the established maximum point value. The demerit points per 100 square yards 4, QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless
26、otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise speci-fied in the contract or purchase order, the contractor may use his own or any other facilities suitable for the perfo
27、rmance 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 the document where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements.
28、4.1.1 Certificate of compliance. Where certificates of compliance are submitted, the Government reserves the right to check test such items to determine the validity of the certification. 4.2 Quality conformance inspection. Unless otherwise specified, sampling for inspection shall be performed in ac
29、cordance with MIL-STD-105. 4.2.1 Component and material 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 document or applicable purchase
30、document. 4.2.2 End item examination. 4.2.2.1 Yard-by-yard examination. Each roll in the sample shall be examined on the face side only. When the total yardage in the roll does not exceed 100 yards, the entire yardage in the roll shall be examined. When the total yardage in the roll exceeds 100 yard
31、s, only 100 yards shall be examined. All defects as defined in Section I of FED-STD-4, which are clearly noticeable at normal inspection distance (3 feet) shall be scored and assigned demerit points as listed in 4.2.2.1.1 except that only those slubs and knots which exceed the 5 Provided by IHSNot f
32、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43843A 83 7777906 037b523 T MIL-C-43843A limits shown on Sears Fabric Defect Scale (see 6.4), E or 3 as applicable for slubs and B for knots, shall be scored. No linear yard (increments of 1 yard on the measuring dev
33、ice of the inspection machine) from any one roll within the sample shall be penalized inore than four points. accordance with the following: The sample size shall be in Lot size (yards) 3200 or less 3201,up to and including 10,000 10,001 and over Sample size (roils) I-/ 8 13 20 - l/ No more than one
34、 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 sample. The lot shall be unacceptable if the points per 100 square of the total yardage examine
35、d exceeds 30.0 points. 100 square yards of two or more individual rolls exceeds 45.0 points. roll exceeds 45.0 points per 100 square yards, a second sample of the size indicated above shall be examined only for individual roll quality. The lot shall be unacceptable if one or more rolls in the second
36、 sample exceeds the point level. Point computation for lot quality and individual roll quality The lot shall be unacceptable if the points per: If one shall be as follows: Total points scored in sample x 3600 Contracted width of cloth (inches) x Total yards inspected square yards = Points per 100 4.
37、2.2.1.1 Demerit points. Demerit points shall be assigned as follows: For defects 3 inches or less in any dimension - one point 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 po
38、ints For defects exceeding 9 inches in any dimension - four points NOTE: 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 minimum specified. Poor dye penetration, mottled, streaky, or
39、 cloudy Overall uncleanness 6 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43843A 4.2.2.2 Length examination. 4.2.2.2.1 Individual rolls. During the yard-by-yard examination, each roll in the sample shall be examined for length. Any length
40、 found to be less than the minimum specified or more than 2 yards less than the length marked on the ticket shall be considered a defect with respect to length, The lot shall be unacceptable if two or more rolls in the sample are defective in respect to length 4.2.2.2.2 Total yardage in sample. The
41、lot shall be unacceptable if the total of the actual lengths of rolls in the sample is less than the total of the lengths marked on the roll tickets. The rolls examined shall be those selected for the examination of individual rolls. 4.2.2.3 Shade and appearance examination. During the yard-by-yard
42、exam- ination, each roll in the sample shall be examined for shade and appearance. Any roll off in the sample off shade; 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 represented by the samp
43、le. 4.2.2.4 Roll identification examination. During the yard-by-yard exam- ination, each roll in the sample shall be examined for proper identification. The lot shall be unacceptable if two or more rolls in the sample are not labeled or ticketed in accordance with the Textile Fiber Products Identifi
44、cation Act. 4.2.3 End item testing. The cloth shall be tested for the characteristics listed in table II. The methods of testing specified in FED-STD-191 wherever applicable and as listed in table II shall be followed. The physical and chemical values specified in section 3 apply to the average resu
45、lt of the determinations made on a sample unit for test purposes as specified in the applicable test methods. All test reports shall contain the individual values used in expressing the final results. The sample unit shall be 4 continuous yards full width of the finished cloth and 1/4 yard of the cl
46、oth prior to application of the durable press treatment. The lot shall be unacceptable if one or more sample units fail to meet any requirement specified. The sample size shall be in accordance with the following: Lot size (yards) sample size (sample units) 800 or less 2 801 up to and including 22,0
47、00 3 22,001 and over 5 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Lt38Lt3A 3 799990b 0396525 3 MIL-C-43843A TABLE II. End item tests Requirement Test Characteristic paragraph method Polyester identification Cotton identification Fiber co
48、ntent Yarn (single) Labile sulfur Colorfastness to: Laundering (after 3 cycles) Crocking Perspiration Light Weight Yarns per inch Breaking strength Weave Mercerization Nonfibrous material Dimensional stability Approved treatment Appearance rating Seam efficiency PH 3.2.1.1 3.2.1.2 3.2.2 3.2.2 3.3.1
49、3.3.3 3.3.3 3.3.3 3.3.3 3.4 . 3.4 3.4 3.4.1 3.5 3.6 3.7 3.8 3.9 3.10 3.11 1600 i/ 2535 I/ Visuai L/ 2020 1200 i/ 5610 - 2/ 565 1 5680 5660 31 5041 5050 5100 Visual 41 2611 - i/ 4.3.1 4.3.1 - i/ 5110 - 5/ 2811 - i/ Unless otherwise specified, a certificate of compliance shall be submitted and will be acceptable for the stated requirement. - 2/ The specimens shall be dried after each of the three launderings cycles. - 3/ - 4/ T
