PIA-T-5608D-2015 TAPE TEXTILE WEBBING TEXTILE NYLON.pdf

1、 The following commercial specification is originally adopted from the military documents. Revision A includes all known accepted revisions, amendments, notices and Department of Defense (DOD) engineering changes previously developed for this item. Revision B and forward include changes adopted to r

2、eflect technology and design evolution. TAPE, TEXTILE: WEBBING TEXTILE, 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 five

3、classes of nylon tapes used in the fabrication of canopies of ribbon parachutes. 1.2 Classification. The tapes shall be furnished in the various classes and types indicated in TABLE I, as specified (see 6.2). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in

4、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 been made to ensure the completeness of this list, document users are cautioned that they mus

5、t 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 Government publication forms a part of this document. FEDERAL TRADE COMMISSION (FTC) 16 CFR 30

6、3 - Rules and Regulations Under the 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 20580-0001. Electronic copies may also be obtained from http:/www.access.gpo.gov/.) PIA-T-5608D

7、 26 January 2015 Superseding PIA-T-5608C 14 January 2013 DISTRIBUTION STATEMENT: All Rights Reserved. No Part of this publication may be reproduced without prior written permission from Parachute Industry Association. Additional copies may be purchased on-line from PIA Specifications and Products at

8、: . PIA-T-5608D 2.3 Non-government publications. The following documents form 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, 6

9、00 North Plankinton Avenue, Milwaukee, WI 53203. Electronic copies may also be obtained from www.access.gpo.gov/.) ASTM INTERNATIONAL (ASTM) ASTM D 276 ASTM D 737 - Standard Test Methods for Identification of Fibers in Textiles - Standard Test Method for Air Permeability of Textile Fabrics ASTM D 14

10、23 - Standard Test Method for Twist in Yarns by Direct- Counting ASTM D 1776 - Standard Practice for Conditioning and Testing Textiles ASTM D 1907 - Standard Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method ASTM D 2256 - Standard Test Method for Tensile Properties of Yarns by

11、 the Single Strand 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 Area (Weight) ASTM D 5034 - Standard Test Method for Breaking Str

12、ength and Elongation of Textile Fabrics (Grab Test) ASTM D 5035 - Standard Test Method for Breaking Force and Elongation of Textile Fabrics (Strip Method) ASTM D 6775 - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Materials ASTM G 151 - Standard Prac

13、tice 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 addressed to ASTM International, 100 Barr Harbor Drive

14、, West Conshohocken, PA 19428-2959. Electronic copies may be obtained from www.astm.org.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) AATCC 8 - Colorfastness to Crocking: AATCC Crockmeter Method AATCC 16.2 - Colorfastness to Light: Carbon-Arc Page 2 of 17 PIA-T-5608D AATCC 16.3 AA

15、TCC 20 - Colorfastness to Light: Xenon-Arc - Fiber Analysis: Qualitative AATCC 81 - pH of Water-Extract from Wet Processed Textiles AATCC 192 - Weather Resistance of Textiles: Sunshine-Arc Lamps Exposure With and Without Wetting AATCC Evaluation Procedures: - 1 Gray Scale for Color Change - 2 Gray S

16、cale for Staining - 8 AATCC 9- Step Chromatic Transference Scale - 9 Visual Assessment of Color Differences of Textiles (Applications for copies should be addressed to the AATCC National Headquarters, P.O. Box 12215 Research Triangle Park, NC 27709-2215. Electronic copies may be obtained from www.aa

17、tcc.org.) PARACHUTE INDUSTRY ASSOCIATION (PIA) PIA-STD-1480 - COLOR CODES FOR WEBBING, TEXTILE; MANUFACTURES IDENTIFICATION 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references cited herein, the tex

18、t 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 subjected to first article inspection in accordance with 4.2

19、. 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 maintenance requirements, and promotes economically advantag

20、eous life cycle costs (see 3.4). 3.3 Standard. When applicable, the finished tape 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). 3.4

21、Material. 3.4.1 Nylon Yarns. The nylon used in the manufacture of Class A tapes shall be semi- dull, normal tenacity yarns. The nylon used in the manufacture of Classes B, C, D, and E shall be bright, high-tenacity, light and heat resistant yarns. The nylon yarns used for all classes shall be polyam

22、ide prepared from hexamethylene diamine and adipic acid or its derivatives and shall have a melting point of 254 10C when tested in accordance with method AATCC 20. The yarn shall not be bleached in any manner or process (see 4.2.3.3). Page 3 of 17 PIA-T-5608D 3.4.2 Twist. The warp and filling yarn

23、for Classes A, B, and C shall have 10 turns 1 turn of “Z“ twist per inch. For Class D all Types and Class E, Types I, II, III and IV the warp yarns shall have 1 turn 1/2 turn of “Z“ twist per inch, and the filling yarns shall have a minimum of 2 turns of “S“ twist per inch;. For Class E, Types V and

24、 VI the warp and filling yarns shall have a minimum of 2 turns of either “S“ or “Z” twist per inch. 3.4.3 Fiber identification. When directed in the procurement document or purchase order, each spool of tape shall be labeled or ticketed and invoiced for fiber content in accordance with the Rules and

25、 Regulations Under the Textile Fiber Products Identification Act (see 4.2.2.2.1). 3.5 Weave. 3.5.1 Body. Unless otherwise specified, the body weave shall be a conventional two-up and two-down, right-hand twill, except that for Class E, Type VI the warp ends shall weave two ends as one. 3.5.2 Selvage

26、. Unless otherwise specified, the selvage weave for Classes A, B, and C shall be a double weave of a conventional hatband type. For Classes D and E there shall be no additional selvage ends. 3.6 Physical and chemical properties. The physical and chemical properties of the finished tape shall conform

27、 to TABLE I and 3.6.1 through 3.6.4. 3.6.1 pH. The pH value of the finished tape shall be within the range of 5.5 to 9.0, when tested as specified in 4.4.4. 3.6.2 Color. Unless otherwise specified, the color shall be natural, except for Class B, Type VI which shall be dyed International Orange, colo

28、r No. 12197 of FED-STD-595, and Class C, Type V which shall be yarn or piece-dyed yellow, Air Force color No. 1365 (see 6.2). Premetallized dyes have proven satisfactory in dyeing the tape. The requirements for light and heat resistance are based on the use of this class of dye. 3.6.2.1 Visual shade

29、 matching. When evaluated in accordance with 4.5.3, 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. 3.6.2.2 Colorfastness to light. PIA has adopted AATCC 16.3 as an acceptable a

30、lternative test method to AATCC 16.2 for the testing of Narrow Fabrics using Xenon (see TABLE V). (THIS SPACE LEFT INTENTIONALLY BLANK) Page 4 of 17 PIA-T-5608D TABLE I Construction and Physical Requirements. Class Type Width, inches Weight (yd./lb.) minimum Breaking strength lbs. minimum Warp ends

31、(minimum) Filling picks per inch minimum Elongation (percent) minimum Air permea- bility 2/(cfm/sq. ft.) Yarn denier Total Selvage Warp Filling A I 0.250 .0156 1,300 13 72 12 140 18 20 40 Extra II 0.375 .0156 875 18 104 12 140 18 20 40 light- III 0.625 .0312 440 43 237 32 140 18 20 40 weight IV 1.25

32、0 .0625 260 65 352 32 140 18 20 40 V 2.000 .0625 165 96 537 32 18 150 30 20 40 B I 0.250 .0156 970 22 86 12 118 18 30 40 Light- II 0.375 .0156 650 33 126 12 118 18 30 40 weight III 0.625 .0312 360 70 237 32 118 18 30 40 IV 1.250 .0625 210 120 392 32 118 18 30 40 V 2.000 .0625 120 200 657 32 18 150 3

33、0 30 40 VI 5.000 .1875 50 100 1/1,616 32 18 150 30 30 40 C I 0.250 .0156 770 39 100 12 82 22 40 40 Medium- II 0.375 .0156 520 58 148 12 82 22 40 40 weight III 0.625 .0312 335 90 227 32 82 22 40 40 IV 1.250 .0625 160 185 457 32 82 22 40 40 V 2.000 .0625 100 300 757 32 80 22 150 30 40 40 D Heavy- I 1.

34、250 .0625 80 280 94 0 52 18 210 210 2/ weight II 2.000 .0625 45 460 154 0 52 18 210 210 2/ E I 1.250 .0625 50 650 240 0 36 18 210 210 2/ Extra II 2.000 .0625 30 1,000 378 0 36 18 210 210 2/ Heavy- IIa 2.000 .0625 30 1,000 378 0 72 3/18 210 210 weight III 2.000 .0625 22 1,500 280 1/0 36 420 420 IV 2.

35、000 .0625 17 2,000 378 1/0 36 420 420 V 2.000 .0625 13 3,000 260 0 26 840/1 840 1/ VI 2.000 .0625 11 4,000 350 0 24 840/1 420 1/ Notes: 1/Pound per inch of width 2/Applicable to both dyed and undyed tape 3/ Shuttleless loom construction 2 picks per shed. (THIS SPACE LEFT INTENTIONALLY BLANK) Page 5

36、of 17 PIA-T-5608D 3.6.2.3 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/Rated using the AATCC Evaluation Procedure 1, Gray Scale for Color Change and AATCC Evaluation Procedure 2, Gray Scale for St

37、aining. 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. 3.6.2.4 Color fastness of identification yarns. The type identification, manufacturers identification and catch-cord yarns fo

38、r Class E, Type IIA only, shall show colorfastness to light and laundering 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 Ch

39、ange. 3.6.2.5 Manufacturers identification. Each manufacturer 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. 3.6.3 Light and heat resistant. With the exception of Class A, the finished tape shall not lose m

40、ore than 25 percent of its initial strength, when tested in accordance with 4.5.1. 3.6.4 Bleaching. The tape shall not be bleached in any manner or process (see 4.5.3). 3.7 Length and put-up. Unless otherwise specified (see 6.2), the tape shall be put on spools. No spool shall contain more than 3 pi

41、eces, and no piece shall be less than 40 yards unless other-specified (see 4.4.3 and 6.2). Characteristic 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 Characteristic Rating, Min Light (Fade)2/3-

42、4 Laundering 1/: Color Change Staining Shade Change 2-3 2-3 Testing shall be as specified in 4.3.1.1 Page 6 of 17 PIA-T-5608D 3.8 Date of manufacture. When required by the procurement document, the textile manufacture shall properly identify the age of the textile materials by placing a tag on the f

43、inished goods, or label on the containers, identifying the specification to which the material is manufactured, the lot number and the date of manufacture. The date of manufacture is defined as the date (month and year) of the last manufacturing process that affects the physical characteristics of t

44、he material. 3.9 Workmanship. The finished tape shall be clean, evenly woven and shall conform to the quality and grade of product established by this specification. The occurrence of defects shall not exceed the levels set by the acceptable quality levels. 4. VERIFICATION 4.1 Classification of insp

45、ection. The inspection requirements specified herein are classified as follows: 1. First article inspection (see 4.2) 2. Conformance inspection (see 4.3). 4.2 First article inspection. The first article, submitted in accordance with 3.1, shall be inspected as specified in 4.3 through 4.5 for complia

46、nce with design, construction, workmanship and dimensional requirements. 4.3 Conformance inspection. Conformance inspection shall include the examination of 4.3.1 and the tests of 4.4 through 4.4.4 as applicable. Sampling for inspection shall be performed as specified in this document, unless otherw

47、ise specified in the contract or order (see 6.2). 4.3.1 Component and material inspection. In accordance with 4.1 above, components and materials shall be inspected in accordance with all the requirements of referenced specifications, drawings, and standards unless otherwise excluded, amended, modif

48、ied, or qualified in this specification or applicable procurement documents. 4.3.1.1 Component Testing. In addition to the quality assurance provisions of the subsidiary specifications, component materials listed in TABLE II shall be tested for the specified characteristics in accordance with the re

49、ference test methods. The lot size shall be expressed in pounds, and the sample unit shall be 500 yards of the nylon yarn. The lot shall be unacceptable if one or more units fail to meet any requirement specified. All test reports shall contain individual values utilized in expressing the final result. The sample size shall be as follows: Lot size (pounds) Sample size 800 or le