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. TAPE, TEXTILE AND WEBBING, TEXTILE, REINFORCING, 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 cover
3、s nylon reinforcing tape and webbing. 1.2 Classification. The tape and webbing shall be of the following Types, Classes and Widths as specified in TABLES I and II (see 6.2). 1.3 Type designation. The tape and webbing shall be of the following types as specified (see 6.2). Type II - Tape - Herringbon
4、e twill weave Type III - Tape - Plain weave Type IV - Webbing - Double plain weave Type V - Tape - Herringbone twill weave Type VI - Tape - Herringbone twill weave Type VII - Tape - Plain weave (Preshrunk) 1.4 Classes. The tape and webbing shall be furnished in the following Classes, as specified (s
5、ee 6.2). Type VII is Shuttle loom only. Class 1 - Shuttle loom, nylon 6,6 Class 1A - Shuttleless loom, nylon 6,6 Class 2 - Shuttle or shuttleless loom, nylon 6 or nylon 6,6 1.4.1 Class reference. When procurement documents referencing this specification do not specify the class of webbing, the requi
6、rements for Class 1 webbing shall apply. When Class 2 webbing is specified, Classes 1 or 1A are acceptable alternates. 2. APPLICABLE DOCUMENTS PIA-T-5038G 19 June 2013 Superseding PIA-T-5038F 14 April 2009 DISTRIBUTION STATEMENT: All Rights Reserved. No Part of this publication may be reproduced wit
7、hout prior written permission from Parachute Industry Association. Additional copies may be purchased on-line from PIA Specifications and Products at: . Copyright Protected: Do Not Copy!PIA-T-5038G 2.1 General. The documents listed in this section are specified in Sections 3 and 4 of this specificat
8、ion. 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 been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements o
9、f 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 Government publication forms a part of this document. FEDERAL TRADE COMMISSION (FTC) 16 CFR 303 - Rules and Regulations Under the
10、 Textile Fiber Products Identification Act (Copies are available online at: www.ftc.gov or from the Federal Trade Commission, 600 Pennsylvania Avenue, N.W. Washington, DC 20580-001. Electronic copies may also be obtained from http:/www.access.gpo.gov/.) 2.3 Non-government publications. The following
11、 documents form a part of this document. AMERICAN SOCIETY FOR QUALITY (ASQ) ANSI/ASQ Z1.4 - Sampling Procedures and Tables for Inspection by Attributes (Copies are available online at: www.asq.org or from the American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203. Electronic
12、copies may also be obtained from www.access.gpo.gov/ .) ASTM INTERNATIONAL (ASTM) ASTM D 276 - Standard Test Methods for Identification of Fibers in Textiles ASTM D 1776 - Standard Practice for Conditioning and Testing Textiles ASTM D 1777 - Standard Test Method for Thickness of Textile Materials AS
13、TM D 1907 - Standard Test Method for Linear Density of Yarn (Yarn Number) by 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 Methods for Mass per Unit A
14、rea (Weight) of Fabrics ASTM G 151 - Standard Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources ASTM G 155 - Standard Practice for Operating Xenon Arc Light Apparatus for Exposure of Non-Metallic Materials (Application for copies should be addr
15、essed to the ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from www.astm.org .) Page 2 of 19 Copyright Protected: Do Not Copy!PIA-T-5038G AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) AATCC 8 - Colorfastness to Crockin
16、g; 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 AATCC 192 - Weather Resistance of Textiles: Sunshine-Arc Lamps Exposure With and Without
17、Wetting 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 12215, Resea
18、rch Triangle Park, NC 27709-2215. Electronic copies may be obtained from www.aatcc.org.) PARACHUTE INDUSTRY ASSOCIATION (PIA) PIA-TEST METHOD-4108- STRENGTH AND ELONGATION, BREAKING; TEXTILE WEBBING, TAPE AND BRAIDED ITEMS (Electronic copies may be obtained from .) COLOR ASSOCIATION OF THE UNITED ST
19、ATES (CAUS) CA # - Cable Number (To obtain color standards go to http:/ 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 otherwise noted herein or in the contract, in the event of a conflict between the text o
20、f 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 specified (see 6.2), a sample shall be subj
21、ected to first article inspection in accordance with 4.2. 3.2 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and main
22、tenance requirements, and promotes economically advantageous life cycle costs. 3.3 Standard. When applicable, the finished tape and 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 characteri
23、stics for which the standard is referenced (see 6.1). Page 3 of 19 Copyright Protected: Do Not Copy!PIA-T-5038G 3.4 Material. 3.4.1 Nylon Yarns. The nylon yarn used in the manufacture of the tape and webbing shall be bright, high tenacity, light and heat resistant. Nylon 6,6 shall be used for Classe
24、s 1 and 1A. Nylon 6 or 6,6 shall be used for Class 2. The yarn shall not be bleached. Testing shall be as specified in 4.4.4. 3.4.2 Denier. The nominal denier of the warp, filling, and binder yarns, prior to dyeing, shall be as specified in TABLES I and II. The catch-cord for shuttleless loom tapes
25、or webbings shall be 30 to 210 denier nylon or 70, 90 or 150 denier polyester. 3.4.3 Twist. The twist for Type VII preshrunk tape shall be supplied producers twist. 3.5 Color. Unless otherwise specified by the procuring activity, the color for Types II, III, IV, V and VII shall be natural. The color
26、 of Type VI shall be as specified (see 6.2). The tape or webbing shall not be bleached. 3.5.1 Dyeing. When a dyed tape or webbing is required, the tape or webbing shall be yarn or piece dyed. 3.5.2 Visual shade matching. When evaluated in accordance with 4.5.5, the color of the dyed tape or webbing
27、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 tape or webbing shall show fastness to light, laundering and crocking as follows: Notes: 1/Rat
28、ed 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/Ratedusing the AATCC Evaluation Procedure 8, AATCC 9-Step Chromatic Transference Scale. 3.6
29、 Identification yarns. Colored warp ends shall be woven into the webbing, as specified herein, to permanently identify the tape and webbing when shuttleless construction and nylon 6 is utilized. 3.6.1 Shuttleless loom identification. When shuttleless looms are utilized, the catch-cord Characteristic
30、 Rating, minimum Light (Fade) 2/3-4 Laundering: 1/Color Stain Shade Change 3-4 3-4 Crocking: 3/Dry Wet 3.5 3.5 Testing shall be as specified in 4.4.4 Page 4 of 19 Copyright Protected: Do Not Copy!PIA-T-5038G yarn shall be dyed to match. 3.6.2 Nylon 6 identification. When nylon 6 is utilized for Clas
31、s 2 tape or webbing, it shall be identified by using a color sealed black yarn on the woven edge. 3.6.3 Colorfastness of identification yarns. The type identification, manufacturers identification and catch-cord yarns shall show colorfastness to light and laundering as follows: Notes: 1/Rated using
32、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. 3.7 Physical requirements. The finished tape and webbing shall conform to the construction and physica
33、l requirements specified in TABLES I and II when tested as specified in 4.4.4. 3.7.1 Resistance to light and heat. The nylon tape and webbing shall not lose more than 25 percent of the original breaking strength upon exposure to light and heat when tested as specified in 4.4.4. 3.7.2 Curvature. All
34、classes of tapes and webbings shall show no more lateral curvature than 1/4 inch within a yard when tested as specified in 4.4.4 (see FIGURE 2). 3.7.3 Breaking strength. The initial breaking strength of any individual specimen shall be no lower than the minimum specified in TABLES I and II. 3.7.4 Re
35、sidual shrinkage. For Type VII only, the residual shrinkage shall be no higher than 2.0 percent as specified in TABLE VI. (THIS SPACE LEFT INTENTIONALLY BLANK) Characteristic Rating, Min Light (Fade)2/3-4 Laundering: 1/Color Change Staining Shade Change 2-3 2-3 Testing shall be as specified in 4.3.1
36、.1 Page 5 of 19 Copyright Protected: Do Not Copy!PIA-T-5038G TABLE I Physical requirements for Class 1 and shuttle loom woven Class 2. Yarns (minimum) Yarn denier Type Width, inches Thickness, inch Weight oz./yd. maximum Breaking strength lbs. minimum 1/Elongation, minimum 2/Total warp Binder Per in
37、ch filling Warp Binder Filling II 1 1/32 .025 - .035 0.40 900 18 96 40 840 210 II 1-1/2 1/32 .025 - .035 0.60 1300 18 144 40 840 210 II 2 1/32 .025 - .035 0.80 1700 18 192 40 840 210 III 3/8 1/32 .015 - .025 0.12 200 18 74 33 210 420 III 1/2 1/32 .015 - .025 0.15 250 18 100 33 210 420 III 3/4 1/32 .
38、015 - .025 0.20 400 18 150 33 210 420 III 1 1/32 .015 - .025 0.30 525 18 200 33 210 420 III 1-1/2 1/32 .015 - .025 0.40 850 18 300 33 210 420 IV 1/2 +1/32, -1/16 .030 - .040 0.35 550 18 99 8 48 420 420 420 IV 5/8 +1/32, -1/16 .030 - .040 0.40 625 18 123 10 48 420 420 420 IV l +1/32, -1/16 .030 - .04
39、0 0.50 1000 18 197 16 48 420 420 420 IV 1 1/8 +1/32, -1/16 030 - .040 0.60 1100 18 221 18 48 420 420 420 IV 1-1/2 +1/32, -1/16 .030 - .040 0.75 1500 18 293 24 48 420 420 420 V 9/16 1/32 .020 - .030 0.20 500 18 42 32 840 420 VI 3/4 1/32 .020 - .030 0.20 425 18 150 38 210 420 VII 1 1/16 .012 .02 0.14
40、.05 325 18 124 46 210 210 VII 2 3/32 .012 .02 0.30 .05 550 18 240 46 210 210 VII 3 3/32 .012 .02 .42 .05 1000 18 365 _ 46 210 _ 210 Notes: 1/No individual determination shall fall below the minimum specified. 2/Minimum elongation measured at 90 percent or more of the minimum rated breaking strength
41、requirement. (THIS SPACE LEFT INTENTIONALLY BLANK) Page 6 of 19 Copyright Protected: Do Not Copy!PIA-T-5038G TABLE II Physical requirements for Classes 1A and shuttleless woven Class 2. Yarns (minimum) Yarn denier Type Width inches Thickness, inch Weight oz./yd., maximum Breaking strength lbs., mini
42、mum 1/Elongation percent, minimum 2/Total warp Binder Per inch filling 3/Warp Binder Filling II 1 1/32 .025 - .035 0.40 900 18 96 80 840 100 II 1-1/2 1/32 .025 - .035 0.60 1300 18 144 80 840 100 II 2 1/32 .025 - .035 0.80 1700 18 192 80 840 100 III 3/8 1/32 .015 - .025 0.12 200 18 74 66 210 210 III
43、1/2 1/32 .015 - .025 0.15 250 18 100 66 210 210 III 3/4 1/32 .015 - .025 0.20 400 18 150 66 210 210 III 1 1/32 .015 - .025 0.30 525 18 200 66 210 210 III 1-1/2 1/32 .015 - .025 0.40 850 18 300 66 210 210 IV 1/2 +1/32, -1/16 .030 - .040 0.35 550 18 99 8 96 420 420 210 IV 5/8 + 1/32, -1/16 .030 - .040
44、 0.40 625 18 123 10 96 420 420 210 IV l +1/32, -1/16 .030 - .040 0.50 1000 18 197 16 96 420 420 210 IV 1 1/8 +1/32, -1/16 030 - .040 0.60 1100 18 221 18 96 420 420 210 IV 1-1/2 +1/32, -1/16 .030 - .040 0.75 1500 18 293 24 96 420 420 210 V 9/16 1/32 .020 - .030 0.20 500 18 42 64 840 210 VI 3/4 1/32 .
45、020 - .030 0.20 425 18 150 76 210 210 Notes: 1/No individual determination shall fall below the minimum specified. 2/Minimum elongation measured at 90 percent or more of the minimum rated breaking strength requirement. 3/Two picks per shed. 3.8 Weave. The weave of tape and webbing shall be as specif
46、ied in 3.8.1 through 3.8.5. The filling yarn for Class 1 and shuttle loom woven Class 2 shall traverse the full width of the tape or webbing with one filling yarn per shed. The filling yarn of Class 1A and shuttleless woven Class 2 shall traverse the full width of tape or webbing and shall be held a
47、t the edge by a catch-cord yarn interlaced with the filling yarn in a method depicted in FIGURE 1. 3.8.1 Type II. The weave shall be a 2-up and 2-down herringbone twill with three reversals of the twill across the width of the tape. 3.8.2 Types III and VII. The weave shall be a plain weave, l-up and
48、 1-down. 3.8.3 Type IV. The weave shall be composed of two ground warps (face and back), one binder warp and one filling. The face warp shall weave plain with the picks that show on the face, and the back warp shall weave plain with the picks that show on the back. The binder warp shall weave plain throughout. Page 7 of 19 Copyright Protected: Do Not Copy!PIA-T-5038G 3.8.4 Type V. The weave shall be a 2-up and 2-down herringbone twill with one reversal of twill at the center. 3.
