1、1 INCH-POUND MIL-W-44049A 20 April 1989 SUPERSEDING MIL-W-44049 10 September 1981 MILITARY SPECIFICATION WEBBING, TEXTILE AND TAPE, TEXTILE, POLYPROPYLENE, GENERAL PURPOSE, NATURAL OR IN COLORS This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SC
2、OPE 1.1 Scope. This specification covers materials and construction of various types of polypropylene webbing and tape woven on shuttleless looms or shuttle looms. 1.2 Classification. The webbing and tape shall be of the following types and classes as specified (see 6.2). Type I - Light weight tape
3、Type Ia - Extra light weight tape Type II - Medium weight webbing (hard texture) Type IIa - Medium weight webbing (soft texture) Type IIb - Medium - heavy weight webbing Type III - Heavy weight webbing Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of
4、 use in improving this document should be addressed to: U.S. Army Natick Research, Development and Engineering 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, AMSC NIA FSC 8305
5、DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. I THIS DOCUMENT CONTAINS 33 PAGES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-44049A Class 1 - Natural Class 2 - Dyed * Class 3 - Natural, water repellent *
6、Class 4 - Dyed, water repellent 2, APPLICABLE DOCUMENTS 2.1 Government documents. * 2.1.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. documents are those listed in the issue of the Depar
7、tment of Defense Index of Specifications and Standards (DODISS) and supplement thereto, cited in the solicitation (see 6.2). Unless otherwise specified, the issues of these SPECIFICATION MIL I TARY MIL-P-43334 - Packaging of Textile Webbing and Tape STANDARDS FEDERAL FED-STD-191 - Textile Test Metho
8、ds MILITARY MIL-STD-105 - Sampling Procedqres and Tables for Inspection by Attributes * (Unless otherwise indicated, copies of federal and military specifications, standards, and handbooks are available from the Naval Publications and Forms Center, (ATTN: NPODS), 5801 Tabor Avenue, Philadelphia, PA
9、19120-5099.) Jr 2.1.2 Other Government documents, drawings, and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation. FEDERAL TRADE CO
10、MMISSION Rules and Regulations Under the Textile Fiber Products Identification Act (Copies are available from the Federal Trade Commission, Washington, DC 20580.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-44049A * 2.2 Non-Government pub
11、lications. The following document forms a part of this document to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopted are those listed in the issue of the DODISS cited in the solicitation. Unless otherwise specified, the issues of documents not
12、 listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). * AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) Chromatic Transference Scale (Copies may be obtained from the American Association of Textile Chemists and Colorists, P.O. Box 12215, Research T
13、riangle Park, NC 27709.) * (Non-Government standards and other publications are normally available from the organizations that prepare or distribute the documents, These documents also may be available in or through libraries or other informational services.) JE 2.3 Order of precedence. In the event
14、 of a conflict between the text of this document and the references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS * 3.1 First article. When specifi
15、ed (see 6.21, a sample shall be subjected to first article inspection (see 6.31, in accordance with 4.3. * 3.2 Standard sample. The dyed webbing and tape shall match the standard sample for shade and appearance and shall be equal to or better than the standard sample with respect to all characterist
16、ics for which the standard sample is referenced (see 6.5). * 3.3 Material. It is encouraged that recycled material be used when practical as long as it meets the requirements of this specification. 3.3.1 Yarns. The yarn shall be continuous multi-filament polypropylene. The yarn shall be untwisted an
17、d single ply. 3.4 Color. Webbing and tape shall be natural or in colors as specified (see 6.2). 3.4.1 Dyeing classes 2 and 4. Dyed webbing and tape shall be obtained by the use of melt spun solution dyed yarn. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
18、m IHS-,-,-MIL-W-44047A 83 U 777770b 0378533 I MIL-W-44049A 3.4.2 Colorfastness. * 3.4.2.1 Classes 1 and 3. The natural and the natural, water repellent treated webbing and tape shall show fastness to light and accelerated weathering equal to or better than the standard sample or equal to or better t
19、han a rating of “good“ when tested as specified in 4.4.3. * 3.4.2.2 Classes 2 and 4. The dyed and finished webbing and tape shall show fastness to light, laundering, and accelerated weathering equal to or better than the standard sample or equal to or better than a rating of “good“. The dyed and fin
20、ished webbing and tape shall show fastness to crocking equal to or better than the standard sample or shall have an AATCC Chromatic Transference Scale rating of not lower than 3.5. Testing shall be as specified in 4.4.3. * 3.4.3 Matching. The color of the dyed and finished webbing and tape for class
21、es 2 and 4 shall match the standard sample when viewed under filtered tungsten lamps which approximate artificial daylight having a correlated color temperature of 7500 t 200 K, with illumination of 100 2 20 foot candles, and shall be a good match to the standard sample under incandescent lamplight
22、at 2300 - t 200 K. 3.5 Physical requirements. The physical requirements of the natural and dyed webbing and tape shall be as shown in tables I through VI when tested as specified in 4.4.3. The tolerance in width for the webbing and tape up to 2-314 inches wide shall be - t 1/16 inch and for webbing
23、over 2-314 inches shall be 2 3/32 inch. TABLE I. Physical requirements for type I light weight tapes Ounces Yarns (minimum) strength Width per lin. Total Per inch Pounds Yarn denier inches yd min. warp filling 11 31 minimum Warp Filling 2/31 3 18 112 5 I8 3 I4 7 18 1 1-1 /8 1-1 /4 1-1 /2 2 2-1 12 3
24、0.10 0.13 0.16 0.20 0.23 0.26 0.29 0.32 0.40 0.53 0.66 0.79 24 32 40 48 56 64 72 80 96 128 160 192 44 44 44 44 44 44 44 44 44 44 44 44 150 200 2 50 300 350 400 450 500 600 800 1 O00 1200 840 420 840 420 840 420 840 420 840 420 84 O 420 840 420 840 420 840 420 840 420 840 420 84 O 420 . 4 .I Provided
25、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-44049A Two picks per shed. Catch cord shall be no finer than 150 denier and shall be the color of the webbing . hen shuttle construction is used, the filling denier shall be doubled and the picks per inch
26、 halved. TABLE II. Physical requirements for type Ia extra light weight tape Weight Breaking Ounces Yarns (minimum) streng th Width per lin. Total Per inch Pounds Yarn denier inches yd min. warp filling 11 31 minimum Warp Filling 21 31 - 2 O .45 103 40 640 840 420 1/ Two picks per shed. - 21 Catch c
27、ord shall be no finer than 150 denier and shall be the color of the webbing . When shuttle construction is used, the filling denier shall be doubled and the pick per inch halved. c 31 * TABLE III. Physical requirements for type II medium weight webbing (hard texture) Weight Breaking Ounces Yarns (mi
28、nimum) streng th Width per lin. Total Per inch Pounds Yarn denier inches yd min. warp filling 11 31 minimum Warp Filling 21 31 3 I8 0.18 54 28 1 /2 0.24 72 28 5 I8 O .30 90 28 3 I4 0.36 108 28 5 250 840 840 350 840 840 450 840 840 500 840 840 Provided by IHSNot for ResaleNo reproduction or networkin
29、g permitted without license from IHS-,-,-I- - - MIL-W-4q049A 3 9999906 0398535 5 MIL-W-44049A TABLE III. Physical requirements for type II medium weight webbing (hard texture) (contd) Weight Break i ng Ounces Yarns (minimum) s t rena th Width per lin. Total Per inch Pounds Yarn denier inches yd min.
30、 warp filling i/ 3/ minimum Warp Filling 2/ 3/ 1 1-1 /4 1-1 /2 2 2-3 /4 3 3-3/4 . 5 5-5/8 0.50 0.62 0.76 1 .o0 1.35 1.50 1.85 2.50 2.80 144 180 21 6 288 396 43 2 540 720 810 28 28 28 28 28 28 28 28 28 700 900 1000 1500 1800 2000 2500 3600 4000 840 840 840 840 840 840 840 840 840 840 840 840 840 840
31、840 840 840 840 L - i/ Two picks per shed. - 2/ Catch cord shall be no finer than 150 denier and shall be the color of the webbing. - 3/ When shuttle construction is used, the filling denier shall be doubled and the picks per inch halved. 6 Provided by IHSNot for ResaleNo reproduction or networking
32、permitted without license from IHS-,-,-n al k 9 U w al U U 4-1 O m bo G .rl P U 5 U *rl s: El 5 .rl a al a:. al h U k O 4-1 m U Q; a al k .rl sl al i 3 a c; 2m m O 2 O O 22 a al .rl a) k m 4 O O O O m m O m r- 2 m m W I- O O O O a hl 4 O m m 4 al P k al .rl a $ 2 .rl rl 4 .rl w O O O O O o W io W W
33、O O W W O W r 5 E E .i .i L U F b (r 5 O sm 03 54 N 4 W m m 4 O m 4 o r- a N m 4 4 s Co d I- N k .rl w 2 m .rl .rl U o U E I- m vr m 4 m W Co O 4 4 m m 4 m 4 4 m I- 4 cn d O o vr O O O O vr o O O O O $ 2 O N O O O m O O 4 4 . N m al c) O 2 al rl U LI 1 c, 5 N Co 4 4 N 4 4 4 d 4 4 N N I I I -F 4 vr m
34、 7 L Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- .- MIL-W-44047A 3 MIL-W-44049A TABLE V. Physical requirements for type IIb medium - heavy weight webbing Weight Breaking Yarn denier Ounces Yarns (minimum) streng th Warp Width per lin. Total Tota
35、l Per inch Pounds and inches yd min. warp binder filling i/ 31 minimum binder Filling 2/31 5 I8 3 /4 1 1-1 /4 1-1 /2 2 2-1 I4 3 0.50 0.65 o. 90. 1.15 1.30 1.75 2.00 2.50 70 4 86 5 118 7 150 9 162 10 226 14 258 16 338 21 44 44 44 44 44 44 44 44 500 620 850 1100 1170 1625 1850 2425 1680 840 1680 840 1
36、680 840 1680 840 1680 840 1680 840 1680 840 1680 840 c i./ Two picks per shed, - - 2/ Catch cord shall be no finer than 150 denier and shall be the color of the webbing, - 3/ When shuttle construction is used, the filling denier shall be doubled and the picks per inch halved. 8 Provided by IHSNot fo
37、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-W-44047A 83 H 777770b 0378538 O O Co a 4 O 4- Co O Co a 4 O I- a 4- 4- a m O 4 I- m O I- O . Co m O Co a rl O as O a3 a 4 O I- I- 3 N 4- N 4 m a O Co o 4 rn O Co a ri O ;x, O Co o 4 O r- Q 4 4 ;$, a 4 4 Co O Q O 4 O Co
38、a 4 O ;x, O Co a 4 In 4 4 4 4- 4- a a O N Q Co O O 4 4 I 4 4 O 03 a 4 O as O m a rl O m a 4 4- 4- N m 4 O N r- Q O Co 4 4 I 4 4 O Co a 4 O as O Co a ri m I- m 4 4- 4- Co r- 3 m 4 4 O In ri N ri I 4 9 O Co a !-I O as O Co a 4 m I- r- 4 4- 4- N O 4 N rr) m 2 O O N N O Co a l-l O as O Co a ri m I- 4 N
39、4- 4 a N 4 O 4- t- I- 4 O m cl . N 4 I N O Co a 4 O 4- Co O Co a l-l m I- ln N 4- 4- O In 4 00 4- Q O N O rr) 9 m 2 % $3 .rl P 5 o) w O I O rl O U al 5 o) P rl rl (d .6, a !2 a I o) .rl a O N 4 E $ .“U I al c .rl w *al aP o) $5 atm $2 g(d a a a wI .FI u HU dl NI a rl a c : 3 c .rl I al a 4 .rl a al
40、5 a G (d al rl P a al P rl rl a 2 m I al .rl c al a d .rl rl rl .rl w al 5 z h a o) U v) d O U al rl u U ?I 5 m rr)l Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-W-44047A 83 U 7777706 MIL-W-44049A 3.5.1 Weave. 3.5.1.1 Types I and Ia. The weav
41、e for type I and type Ia tapes shall be plain weave. shall traverse the full width of the tape and shall be held at the edge by an extra catch-cord end interlocking with the filling yarn, shuttleless looms are utilized, interlacing of the catch-cord and filling shall occur within the selvage area be
42、fore the first binder end, Testing shall be as specified in 4.4.3. When latch type shuttleless looms are utilized, the filling yarn When bobbin type 3.5.1.2 Type II. Webbing shall be a single fabric consisting of one warp and one filling and weaving plain weave, Three warp ends shall weave as one an
43、d the body of the webbing shall have 2 groups of threes weaving as one. Both selvage shall have 4 groups of 3 all weaving singly. shuttleless looms are utilized, the filling yarn shall traverse the full width of the webbing, and shall be held at the edge by an extra catch-cord end, interlacing with
44、the filling yarn. When-bobbin type shuttleless looms are utilized, interlacing of the catch-cord and filling occur within the first four ends of warp yarn at the edge. When latch type Testing shall be as specified in 4.4.3. 3.5.1.3 Type IIa. Webbing shall be a double fabric consisting of two warps b
45、ound together by a single filling and a binder warp. The face warp shall weave plain weave with the picks showing on the face, The back warp shall weave plain weave with the picks showing on the back, The binder warp ends shall weave plain weave. There shall be two stuffer warp ends between each bin
46、der warp and in addition one stuffer on each edge. One selvage shall consist of nine ground warp ends and the other selvage shall consist of eight ground warp ends. The filling yarn shall weave alternatively on the face and on the back. When latch type shuttleless looms are utilized, the filling yar
47、n shall traverse the full width of the webbing, and shall be held at the edge by an extra catch-cord end, interlacing with the filling yarn. When bobbin type shuttleless looms are utilized, interlacing of the catch-cord and filling shall occur within the first four ends of warp yarn at the edge. Tes
48、ting shall be as specified in 4.4.3. 3.5.1.4 Type IIb. Webbing shall be a double fabric consisting of two warps The face warp shall weave I bound together by a single filling and binder warp. plain weave with the picks showing on the face. plain weave with the picks showing on the back. The binder-w
49、arp ends shall weave plain weave. other selvage shall consist of eight ground-warp ends. weave altetnately on the face and on the back. For latch-needle type shuttleless looms, one selvage shall have 11 ground-warp ends and the other selvage shall have 7 ground-warp ends. looms are utilized, the filling yarn shall traverse the full width of the webbing, and
