1、1 June 1981 SUPERSEDING MIL-C-43876 4 March 1974 MILITARY SPECIFICATION CLOTH, WIND RESISTANT OXFOKD, NYLON AND COTTON, QUARPEL TREATED This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers one type of nylon
2、 and cotton blended oxford cloth with a Quarpel type water repellent treatment. 2. APPLICABLE DOCUMENTS 2.2 Issues of documents. The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: S
3、PECIFICATIONS V-T-276 - Thread, Cotton PYP-P-1134 - Packaging and Packing of Cotton and Cotton-Synthetic Fiber Blend Fabrics (Excluding Duck Fabrics) STANDARDS FEDERAL FED-STD-4 - Glbssary of Fabr?.c Imperfections FED-STD-191- - Textile Test Methods - Beneficial-comments (recommendations, additions,
4、 deletions) and any pertinent data which may be of use in improving this document should be addressed to: US Army Natick Research and Development Laboratories, Natick, MA 01760 by us-lng the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end o this docu-
5、 ment or by letter. FSC 8305 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MILi3-43876A MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by Attributes (Copies of specifications, standards, drawings and publications required by c
6、ontractors in connection with specific procurement functions should be obtained fram the procuring activity or as directed by the contracting officer.). LAWS AND REGULATIONS Rules and Regulations Under the Textile Fiber Products Identification Act (Copies may be obtained without charge from the Fede
7、ral Trade Commission, Washington, DC 20589,) * 2.2 Other publications. cation to the extent specified herein. effect an date of invitation for bids or request for proposal shall apply: The following documents form a part of this specifi- Unless otherwise indicated, the issue in AMERICAN SOCIETY FOR
8、TESTING AND MATERIALS (ASTM) D 1424 - Tear Resistance of Woven Fabrics by Falling-Pendulum (Elmendorf ) Apparatus (Application for copies should be addressed to the American Society for Testing aiid Materials, 1916 Race Street, Philadelphia, PA 19103.) (Technical society and technical association sp
9、ecifitations and standards are generally available for reference from libraries. technical groups and using Federal agencies.) They are also distributed among 30 REQUIREMENTS 3.1 Standard sample. The finished cloth shall match the standard sample for shade and shall be equal to or better than the st
10、andard sample with respect to all characteristics for which the standard sample is referenced (see 6.3). * 3.2 Piaterials (see 6,7). 3.2.1 Fibers * 3,2*1.1 Nylon. The nylon shall be first quality, high tenacity, semi-dull staple having a normal cut length of 1-1/2 inches (38 mm) and a round cross se
11、ction with a single nominal denier of 2.25 - 2.5 (.25 - .28 Tex). The contractor shall submit the fiber producers certification that each lot of nylon staple used conforms to the requirements specified herein. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
12、m IHS-,-,-. MIL-C-43876A 3.2.1.2 Cotton. The cotton shall be carded. 3.2.2 - Yarns. The yarns shall be a blend of nylon and cotton, drawn and spun into single yarns for both warp and filling. :erCent nylon and the remaining percentage cotton, based on the dry weight of the .ur defects exceeding 3 in
13、ches, but not ex- ceeding 6 inches in any dimension -33: defects exceeding 6 inches, but not ex- ceeding 9 inches in any dimension -31: defects exceeding 9 inches in any dimens ion - two points - three points - four points m.%: The following defects, when present, shall be scored four points for eac
14、h yard in which they occur. :.aggy, ridgy, or wavy cloth Xdth less than minimum specified :?oar dye penetration, mottled, streaky, or cloudy Gxcessive neppinesc ,2.2.2 Examination for length. +.2.2.2.1 Individual rolls. During the yard-by-yard examination, each roll in the sample shall be examined f
15、or length. J:,&;cified or more than 2 yards less than the length marked on the ticket shall be ;,d.dered a defect with respect to length. re rolls in the sample are defective in respect to length. the actual lengths of rolls in.the sample is less than the total of the lengths marked oca the roll tic
16、kets. Any length found to be less than the minimum The lot shall be unacceptable if two or -.20202.2 Total yardage in sample. The lot shall be unacceptable if the total of -:-.2.2.3 Examination for shade. During the yard-by-yard examination, each roll in cilc samale shallc side; side to center, or e
17、nd to end shall be cause for rejection of the entire lot re2resented by the sample. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-C-4387bA 83 m 9777706 039bb7b 8 m MIL-C-43876A 4.2.2.4 Examination for face identification, nonidentification
18、of preshrinkage process, and compliance with Textile Fiber Products Identification Act. yard-byyard examination each roll in the sample shall be examined for defects listed below. are present: During the The lot shall be unacceptable if two or more of the following defects Face identiEicatton missin
19、g from either or both ends Preshrinkage process identified by name or trademark on cloth or ticket Not labeled in accordance with the Textile Fiber Products Identification Act 4.2.3 End item testing,. The methods of testing specified in FED-STD-191 where- ever applicable and as lictd in table III sh
20、all be followed. chemical values specified in section 3 apply to the results of the determinations made on a sample unit for test purposes as specified in the applicable test methods. treatment, and 6-1/2 continuous yards full width of the finished cloth. size shall be expressed in units of 1 yard e
21、ach. one or more sample units fail to meet any test requirement specified. All test reports shall contain the individual values utilized in expressing the final results. The physical and The sample unit shall be 1/4 yard full width of the dyed cloth, prior to The lot shall be unacceptable if The lot
22、 The sample size shall be in accordance with the following: Lot size (yards) Sample size (units) 800 or less 801 up to and including 22,000 22,001 and over 2 3 5 TABLE 111, Test methods Requirement Test Characteristic paragraph method Nylon identification 3.2.1.1 1530 L/ 1200 i/ Cotton identificatio
23、n 3.2.1.2 - Fiber content Nylon (percent) Cotton (percent) Warp Filling Yarn (single) Labile sulfur 3.2.2 3.202 3.2.2 3.2.2 3.3 7 2530 2530 - 4/ Visual 2-1 Visual 2-1 2020 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43876A 83 9779906 039669
24、7 T -. MIL-C-43876A TABLE III. Test methods (contd) Requirement Test Characteristic paragraph method Colorfastness to: Laundering (after 3 cycles) Crocking Perspiration Light 5610 5651 5680 5660 5041 Weight Yarns per inch Warp Flling 3.4 3.4 3.4 5050 5050 *Tearing strength Filling ASTM D 1424 Breaki
25、ng strength Warp Filling 3*4 3.4 5100 5100 Visual L/ Weave 3*5 Singed De siz ed 3.5 Mercerization Nonfibrous material 305.1 Shrinkage Warp Filling 3.6 3.6 5550 5550 Hydrostatic pressure: Initial After 5 launderings (cotton method) 3.7 3.7 5514 5514, 5556 Dynamic absorption: Ini t ia1 After 5 launder
26、ings (cotton method) Air permeability After 5 launderings (cotton method) 3*7 3.7 5500 5500, 5556 3*7 5450, 5556 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43876A TABLE III. Test methods (contd) Requirement Test Characteristic parajzraph
27、 #at.er repellents 3.7 - 31 method Hater repellency Spray rating 3.7.1 5526 Resistance organic liquid lni t ia1 3.7.2 After 5 launderings (cotton 3.7.2 method) $3 Seam efficiency 3.8 3.9 4.3.2 4.3.2, 5556 281 1 5110 51 11 .- Unless otherwise specified, a certificate of compliance shall be submitted
28、and will be acceptable for the stated requirement. . - 7/ One determination per sample unit and the result reported as “pass“ or “fail“e 3/ The contractor shall report the water repellents used and certify that no other material except the specified buffer (and acetic acid) has been added. - 4/ The
29、cotton content shall be calculated as follows: Cotton content, percent - R X 100 S c 51 The thread shall conform to V-T-276 and the needle shall measure 0.0405 0.001 inch across the blade at the eye. 3 ply for looper. The needle thread shall be 40, 3 ply and 60, 4.2.4 Packaging inspection. Examinati
30、on shall be made in accordance with the provisions of PPP-P-1134 to determine that packaging, packing and marking comply dth section 5 requirements. 4.3 Methods of inspection. 4,3.1 Test for resistance to organic liquid. Place a small specimen of the cloth Using a pipette or eye dropper, gently Afte
31、r one minute, on a smooth horizontal surface face up. deposit one drop of u-tetradecane on the surface of the specimen. examine the specimen under light at an angle, Absence of light reflectance at the fabric-drop interface shall be taken as evidence of the wetting. (or areas) taken at various locat
32、ions across the sample shall be tested. Evidence ct wetting on one or more specimens shall be considered cause for rejection of the lot represented by the sample. Three specimens 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-q387bA 83 3779
33、90b 039bb99 3 m S. PREPARATION FOR DELIVERY 5.1 Putup and packaging. Put-up and packaging shall be level A or C as speci- fied (see 6.2). 5.1.1 Levels A and C. The cloth, shall be putup and packaged in accordance with ,he applicable requirements of PPP-P-1134 5.2 Packing. Packing shall be level A, B
34、 or C as specified (see 6.2). * 5.2.1 Levels A, B or C. The cloth shall be packed in accordance with the :.pplicable requirements of PPP-P-1134. 5.3 Markinq. In addition to any special marking required by the contract, Chipments shall be marked in accordance with the requirements of PPP-P-1134. 6. N
35、OTES 6.1 Intended use. The cloth is intended for use in the manufacturing of sleepiflg bags . 6.2 Ordering data. Procurement documents should specify the following: (a) (b) (c) (d) (e) Title, number and date of this specification. Color of cloth required (see 3.3). Width of cloth required (see 3.4.1
36、). Put-up required if other than specified (see 3.10). Selection of applicable levels of packaging and packing (see 5.1 and 5.2). 6.3 Standard sample. For access to standard sample, address the procuring activity issuing the invitation for bids. 6.4 Dve formulation. Satisfactory results in achieving
37、 the proper shade for :live Green 107 and colorfastness have been obtained with an appropriate combination f the following dyes: Cotton - Vat.Green 3, CI 69500 i. Vat Green 8, CI 71050 Vat Black 25, CI 69525 Nylon - Neutral Premetalized Olive Green BA Acid Brown 223 Neutral Premet-alized Yellow NW 6
38、.5 Quarpel water repellent. The “Quarpel type” water repellent treatment Approval of such components and combinations is the consists of the co-application of an emulpified fluorocarbon in combination with a Euorochemical extender. responsibility of the US Army Natick Research and Development Labora
39、tories, Natick -.:%- 01760, and is based on more extensive tests including those for toxicity, which 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43876A are not set Eorth in this specification. full evaluation, only those chemical treatme
40、nts already approved and so listed in the invitation for bid or request for proposal shall be considered acceptable for the related procurement. Because of the time necessary to conduct 6.6 Cloth defect replica. Sears Fabric Defect Scales are available from Sears, Roebuck and Co., Department 7334, “
41、Fabric Defect Replica Kit“, Sears Tower, Chicago, IL 60684. * 6.7 Recycled material. practical as long as it meets the requirements of the specification (see 3.21, It is encouraged that recycled material be used when * 6.8 Metric equivalents. Metric equivalents, indicated in parentheses through- out
42、 section 3 of this document, are based on practices, conversion factors, and symbols specified in ASTM E 380 Standard for Metric Practice, and are for information on1y.h each instance, the value stated in US customary units shall be controlling. 6.9 ChanPes from previous issue. The margins of this s
43、pecification are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous issue were made. This was done as a conveiiience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contra
44、ctors ate cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - GL Navy - NU Air Force - 99 Review activities: Army - MD DU - CT User activity: Army - GL Project No. 8305-0773 Navy - HC 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
