1、 The following commercial specification is adopted from the military document. Revision A included all known accepted revisions, amendments, notices, and Department of Defense (DoD) engineering changes previously developed for this item. Revisions B and forward include changes adopted to reflect tec
2、hnology and design evolution. _ WEBBING, TEXTILE, WOVEN NYLON The Parachute Industry Association makes this document available for use by Industry and Government organizations that wish to apply this specification to their products. 1. SCOPE 1.1 Scope. This specification covers untreated nylon webbi
3、ng. 1.2 Classification. The nylon webbing shall be furnished in the type and class specified (see 1.2.1 and 6.2). The types shall conform to the requirements of TABLES I, II and III as applicable for the specified type. Class 1 - Shuttle loom, nylon 6,6 Class 1A - Shuttleless loom, nylon 6,6 Class 2
4、 - Shuttle or shuttleless loom, nylon 6 or nylon 6,6 1.2.1 Class reference. When procurement documents referencing this specification do not specify the class of webbing, the requirements for Class 1A webbing shall apply. When Class 2 webbing is specified, Classes 1 or 1A are acceptable alternates.
5、2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in Sections 3 and 4 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has be
6、en made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of the documents cited in Sections 3 and 4 of this specification, whether or not they are listed. 2.2 Government publications. 2.2.1 Government publications. The following Gov
7、ernment publication forms a part of this document. PIA-W-4088F 19 June 2013 Superseding PIA-W-4088E 12 September 2008 DISTRIBUTION STATEMENT: All Rights Reserved. No Part of this publication may be reproduced without prior written permission from Parachute Industry Association. Additional copies may
8、 be purchased on-line from PIA Specifications and Products: . Copyright Protected: Do Not Copy!PIA-W-4088F FEDERAL TRADE COMMISSION (FTC) 16 CFR 303 - Rules and Regulations Under the Textile Fiber Products Identification Act (Copies are available online at www.ftc.gov or from the Federal Trade Comm
9、ission, 600 Pennsylvania Avenue, N.W. Washington DC 20580-0001. Electronic copies may also be obtained from http:/www.access.gpo.gov/.) 2.3 Non-government publications. The following documents form a part of this document. AMERICAN SOCIETY FOR QUALITY (ASQ) ANSI/ASQ Z1.4 - Sampling Procedures and Ta
10、bles for Inspection by Attributes (Copies are available online at: www.asq.org or from the American Society for Quality, 600 North Plankinton Ave., Milwaukee, WI 53203. Electronic copies may also be obtained from www.access.gpo.gov/.) ASTM INTERNATIONAL (ASTM) ASTM D 276 - Standard Test Methods for
11、Identification of Fibers in Textiles ASTM D 1423 - Standard Test Method for Twist in Yarns by Direct- Counting ASTM D 1776 - Standard Practice for Conditioning and Testing Textiles ASTM D 1777 - Standard Test Method for Thickness of Textile Materials ASTM D 1907 - Standard Test Method for Linear Den
12、sity of Yarn (Yarn Number) by the Skein Method ASTM D 3774 - Standard Test Method for Width of Textile Fabric ASTM D 3775 - Standard Test Method for Warp (End) and Filling (Pick) Count of Woven Fabrics ASTM D 3776 - Standard Test Method for Mass per Unit Area (Weight) of Fabric ASTM D 6770 - Standar
13、d Test Method for Abrasion Resistance of Textile Webbing (Hex Bar Method) (Application for copies should be addressed to ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from www.astm.org.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COL
14、ORISTS (AATCC) AATCC 8 - Colorfastness to Crocking; AATCC Crockmeter Method AATCC 16 - Colorfastness to Light AATCC 20 - Fiber Analysis: Qualitative AATCC 61 - Colorfastness to Laundering: Accelerated AATCC 81 - pH of Water-Extract from Wet Processed Textiles Page 2 of 25 Copyright Protected: Do Not
15、 Copy!PIA-W-4088F AATCC Evaluation Procedures: - 1 Gray Scale for Color Change - 2 Gray Scale for Staining - 8 AATCC 9-Step Chromatic Transference Scale - 9 Visual Assessment of Color Difference of Textiles. (Applications for copies should be addressed to the AATCC National Headquarters, P.O. Box 12
16、215, Research Triangle Park, NC 27709-2215. Electronic copies may be obtained from www.aatcc.org.) PARACHUTE INDUSTRY ASSOCIATION (PIA) PIA-STD-1480 - COLOR CODES FOR WEBBING, TEXTILE; MANUFACTURES IDENTIFICATION PIA-TEST METHOD-4108 - STRENGTH AND ELONGATION, BREAKING; TEXTILE WEBBING, TAPE AND BRA
17、IDED ITEMS (Electronic copies may be obtained from .) COLOR ASSOCIATION OF THE UNITED STATES (CAUS) CA # - Cable Number (To obtain color standards go to or email or address The Color Association of the United States, 315 West 39th Street, New York, NY 10018.) 2.4 Order of precedence. Unless otherw
18、ise stated herein or in the contract, in the event 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.
19、 3. REQUIREMENTS 3.1 Standard. Where applicable, the dyed webbing shall match the standard for shade and appearance and shall, unless otherwise indicated, be equal to or better than the standard with respect to all characteristics for which the standard is referenced (see 6.1). 3.2 First article. Wh
20、en specified (see 6.2), a sample representative of the production quality shall be submitted for first article inspection in accordance with 4.2. 3.3 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maxim
21、um extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.4 Material. 3.4.1 Nylon yarn. The nylon yarn used in the manufacture of the webbing shall be bright, high tenacity, light and heat
22、resistant. Nylon 6,6 shall be used for Classes 1and 1A webbing and Page 3 of 25 Copyright Protected: Do Not Copy!PIA-W-4088F nylon 6 or 6,6 shall be used for Class 2 webbing. The yarn shall not be bleached. Testing shall be as specified in 4.3.1.1. 3.4.1.1 Denier and filament. The yarn used in the m
23、anufacturing of the webbing shall be of the denier and filament specified in TABLES II or III before dyeing, except for the identification yarns (see 3.6). The following yarn substitution can be made for all webbings listed in TABLES II and III: 840/5 =1260/4, 840/3 = 1260/2, 840/2 = 1680/1, 420/3 =
24、 1260/1, 840/3 = 2520/1. 3.4.1.2 Twist. The fill yarns have no twist requirement. The warp and binder yarns shall have a minimum of 2 turns per inch in the final twist whether single or plied, except Types XXII and XXVII which shall have a minimum of 1 turns per inch. The number of single yarns spec
25、ified in TABLES II and III shall be twisted together in one operation. 3.5 Color. The color of the tape or webbing and its referenced standard shall be as specified by the procuring activity or order. 3.5.1 Dyeing. When dyed webbing is required, the webbing shall be yarn or piece dyed. 3.5.2 Visual
26、shade matching. When evaluated in accordance with 4.5.4, the color of the dyed webbing shall match the standard with sources simulating artificial daylight and shall be a good match to the standard under incandescent lamplight. 3.5.3 Colorfastness. When tested as specified in 4.4.4, the dyed webbing
27、 shall show fastness to light, laundering and crocking as follows: Notes: 1/Rated using the AATCC Evaluation Procedure 1, Gray Scale for Color Change and AATCC Evaluation Procedure 2, Gray Scale for Staining. 2/Rated using the AATCC Evaluation Procedure 1, Gray Scale for Color Change. 3/Rated using
28、the AATCC Evaluation Procedure 8, AATCC9-Step Chromatic Transference Scale. 3.5.4 Spectral reflectance/Infrared Reflective Resistance (IRR). Spectral reflectance/Infrared Reflective Resistance (IRR) requirements will be established by the procuring activity. When spectral reflectance is required (se
29、e 4.5.2) for the test method. 3.6 Identification yarns. Colored warp ends shall be woven into the webbing, as specified herein, to permanently identify the webbing by type and manufacture and when shuttleless construction and/or nylon 6 are utilized, except that natural white (special purpose items)
30、 webbing shall have no colored warp ends (see 6.2). When the webbing is piece dyed, polyester Characteristic Rating, minimum Light (Fade) 2/3-4 Laundering 1/: Color Change Staining 2-3 2-3 Crocking 3/: Dry Wet 3.5 3.5 Testing shall be specified in 4.4.4 Page 4 of 25 Copyright Protected: Do Not Copy!
31、PIA-W-4088F yarn of approximate denier to the nylon body yarns shall be used for all required colored warp ends. When black is specified, the identification yarn shall be nylon 6, or 6,6, color-sealed black or polyester, color-sealed black (see TABLE I). 3.6.1 Colorfastness of identification yarns.
32、The type identification, manufacturers identification and catch-cord yarns shall show colorfastness to light and laundering as follows: Characteristic Rating, minimum Light (Fade) 2/3-4 Laundering 1/: Color Change Staining 2-3 2-3 Testing shall be specified in 4.3.1.1 Notes: 1/Rated using the AATCC
33、Evaluation Procedure 1, Gray Scale for Color Change and AATCC Evaluation Procedure 2, Gray Scale for Staining. 2/Rated using the AATCC Evaluation Procedure 1, Gray Scale for Color Change. 3.6.2 Type identification. The identification of type shall be as specified in TABLE I. The color of the identif
34、ication yarns shall match the Cable numbers of the Color Association of the United States, Inc. 3.6.2.1 Other types. When type identification is required on other types, the identifying yarns shall be as specified in the procurement documents (see 6.2). TABLE I Identification of type. Type Color Cab
35、le No. Yarns and location VI Red 80081 2 at center of warp VII 1/Yellow 80068 2/2 at each selvage VIII 3/Black - 2 at center of warp XII Red 80081 1 at each selvage XIII 1/Black - 2 at each selvage XIX Green 80063 2 at center of warp XXII Black - 2 at each selvage and 2 at center XXVI Yellow 80068 2
36、/2 at center of warp XXVII Black - 1 at each selvage Notes: 1/ Identification yarns shall weave so that one end on the face and one on the back shall show at each selvage.2/Any yellow shade approximating No. 80068 is acceptable. 3/No ID yarns are required on Types VIIIa, VIIIb and VIIIc. 3.6.3 Manuf
37、acturers identification. Each manufacturer of Types VII, IX, X and XIII shall incorporate, as part of the binder warp, 2 ends dyed to match the shade assigned to that manufacturer in accordance with PIA-STD-1480 (see 6.2 and 6.3). 3.6.4 Shuttleless loom identification. When shuttleless loom construc
38、tion is utilized for Classes 1A and 2, the catch-cord shall be 70 to 500 denier nylon, color-sealed black. Page 5 of 25 Copyright Protected: Do Not Copy!PIA-W-4088F Alternatively, the catch-cord shall be 70 to 250 denier polyester color-sealed black. 3.6.5 Nylon 6 identification. When nylon 6 is uti
39、lized for Class 2, one edge of the webbing shall contain a red marker yarn, Cable No. 80081. 3.7 Physical requirements. The construction and physical requirements of the webbing shall be as specified in TABLES II and III, when tested as specified in 4.4.4. 3.7.1 Breaking strength. The breaking stren
40、gth of any individual specimen shall be no lower than the minimum specified in TABLES II and III. 3.7.1.1 Breaking strength after abrasion (Types XXII and XXVII). The Types XXII and XXVII webbing shall retain not less than 90 percent of the applicable minimum breaking strength values specified in TA
41、BLES II and III, when tested as specified in 4.4.4 (see 6.4). 3.7.2 Curvature. The webbing shall show no more lateral curvature than 1/4 inch within a yard when tested as specified in 4.4.4. 3.7.3 Residual Shrinkage. The residual shrinkage of natural and dyed Type Ib webbing shall not be greater tha
42、n 2.0 percent when tested as specified in 4.4.4. 3.7.4 pH. The pH value of the water extract of the finished webbing shall be no less than 5.5 or more than 9.0 when tested as specified in 4.4.4. (THIS SPACE LEFT INTENTIONALLY BLANK) Page 6 of 25 Copyright Protected: Do Not Copy!PIA-W-4088F TABLE II
43、Physical requirements, Class 1. Yarns, minimum Yarn ply Type Width, inches Thickness, inch Weight oz./yd. maximum Breaking strength lbs. minimum Total warp Binder Per inch filling Warp Binder Filling Yarn denierWarp, binder filling I 9/16 1/32 .025-.040 0.28 500 92 34 1 1 420/68 W 840/140 F Ia 3/4 1
44、/32 .025-.035 0.32 600 108 34 1 1 420/68 W 840/140 F Ib 3/81/32 .025-.040 0.28 340 58 - 34 1 1 420/68 W 840/140 F II 1 1/32 .025-.040 0.42 600 134 34 1 1 420/68 W 840/140 F III 1-1/4 1/32 .025-.040 0.52 800 168 34 1 1 420/68 W 840/140 F IV 3 1/8 .025-.040 1.20 1,800 400 34 1 1 420/68 W 840/140 F VI
45、1-23/32 1/16 .030-.050 1.15 2,500 114 21 2 2 840/140 W F VII 1-23/32 1/16 .060-.100 2.35 6,000 229 27 26 2 1 2 840/140 W B F VIII 1-23/32 1/16 .040-.070 1.60 4,000 166 18 2 2 840/140 W F VIIIa 3 3/32 .040-.070 2.80 6,300 280 18 2 2 840/140 W F VIIIb 2 1/16 .040-.070 1.80 4,500 192 18 2 2 840/140 W F
46、 VIIIc 2-1/4 1/16 .040-.070 2.10 5,300 222 18 2 2 840/140 W F IX 3 3/32 .065-.100 4.00 9,000 257 31 28 3 2 2 840/140 W B F X 1-23/32 3/32 .105-.140 3.70 9,500 257 31 22 3 1 2 840/140 W B F XII 1-23/32 1/16 .025-.040 0.85 1,200 266 34 1 1 420/68 W 840/140 F XIII 1-23/32 3/32 .080-.120 2.90 7,000 281
47、34 24 2 1 2 840/140 W B F XIV 1/2 1/32 .070-.100 0.80 1,200 91 36 7 7 210/34 W F XV 2 1/16 .035-.050 1.25 1,500 88 15 2 2 840/140 W F XVI 1-23/32 1/16 .045-.080 2.00 4,500 198 17 2 2 840/140 W F XVII 1 1/16 .045-.070 1.15 2,500 114 15 2 2 840/140 W F XVIII 1 1/16 .100-.160 2.05 6,000 260 18 2 2 840/
48、140 W F XIX 1-3/4 3/32 .100-.130 4.10 10,000 280 18 3 2 840/140 W F XX 1 3/32 .170-.210 3.25 9,000 162 26 19 5 1 3 840/140 W B F XXI 1-1/4 1/16 .065-.085 1.70 3,600 260 25 5 10 210/34 W F XXII 1-23/32 3/32 .090-.120 3.50 9,500 259 18 3 2 840/140 W F XXIII 1-1/8 3/32 .200-.300 3.70 12,000 324 27 15 3 2 3 840/140 W B F XXIV 1-15/16 3/32 .055-.075 2.25 5,500 244 17 2 3 840/140 W F XXV 1 1/16 .080-.125 1.50 4,500 169 20 22 2 1 2 840
