1、 The following commercial specification is adopted from the military document. Revision A includes 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, NYLON, PARACHUTE CONSTRUCTION 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 three ty
3、pes of nylon tape. 1.2 Classification. The tapes shall be of the 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 Sections 3 and 4 of this specification. This section does not include documents cited in othe
4、r 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 documents cited in Sections 3 and 4 of this specification,
5、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 Textile Fiber Products Identification Act (Copies are available
6、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-6134C 19 June 2013 Superseding PIA-T-6134B 14 December 2009 DISTRIBUTION STATEMENT: All Rights Reserved.
7、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: . Copyright Protected: Do Not Copy!PIA-T-6134C 2.3 Non-government publications. The following docume
8、nts 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 American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203.) ASTM INTERNATIONAL (ASTM)
9、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 Density of Yarn (Yarn Number) by the Ske
10、in Method ASTM D 2256 - Standard Test Method for Tensile Properties of Yarns by 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
11、Mass per Unit Area (Weight) of Fabric ASTM D 6775 - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Materials (Application for copies should be addressed to ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Electronic copies m
12、ay be obtained from www.astm.org.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) AATCC 8 - Colorfastness to Crocking: AATCC Crockmeter Method AATCC 20 - Fiber Analysis: Qualitative AATCC 81 - pH of Water-Extract from Wet Processed Textiles AATCC Evaluation Procedures: - 8 AATCC 9-St
13、ep Chromatic Transference Scale. (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.aatcc.org.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, i
14、n 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. Page 2 of 13 Copyright Protected: Do N
15、ot Copy!PIA-T-6134C 3. REQUIREMENTS 3.1 Standard. Where applicable, the dyed 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). 3.2 F
16、irst article. When specified in the contract, or purchase order, a sample shall be subjected to first article inspection (see 4.2). 3. 3 Recycled, recovered, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent pos
17、sible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.4 Materials. 3.4.1 Yarns. The nylon yarn used in the manufacture of the tape shall be a polyamide prepared from hexamethylene diamine and adipic
18、 acid or its derivatives. It shall have a minimum melt point of 244C (471F). 3.4.2 Warp yarn. The warp yarn used for all types shall be 210-denier, high tenacity, bright filament nylon prior to dyeing. 3.4.3 Filling yarn. 3.4.3.1 Type I - Shuttle loom construction. The yarn shall be spun nylon of 20
19、/4 or 10/2 yarn number 5 percent (cotton system), spun polyester of 12/2 yarn number 5 percent (cotton system), or 1000 denier bulked nylon. The filling yarn breaking strength shall be a minimum of 4.75 pounds when tested as specified in 4.3.1.1. 3.4.3.2 Type I - Shuttleless loom construction. The y
20、arn shall be spun nylon of 20/2 or 10/1 yarn number 5 percent (cotton system), spun polyester of 12/1 yarn number 5 percent (cotton system), or 500 denier bulked nylon. The filling yarn breaking strength shall be a minimum of 2.5 pounds when tested as specified in 4.3.1.1. 3.4.3.3 Type II. The yarn
21、shall be spun nylon or polyester of 60/2 or 30/1 yarn number 5 percent (cotton system). The filling yarn breaking strength shall be a minimum of 0.90 pounds when tested as specified in 4.3.1.1. 3.4.3.4 Type III. The yarn shall be nylon filament 840/140 denier. The filling yarn breaking strength shal
22、l be a minimum of 4.75 pounds when tested as specified in 4.3.1.1. 3.4.4 Type I - Shuttleless loom construction. The catch-cord shall be 2 ply 70 denier or 150 denier spun dyed or color sealed black polyester yarn. The color and colorfastness of the catch-cord shall be as specified in 3.7.1.1. The f
23、illing yarn of the shuttleless woven tapes traverse the full width of the tape and shall be held at the edge by the catch-cord end interlaced with the filling yarn in accordance with the method shown in FIGURE 1. 3.4.5 Ply twist. The warp and final ply of the filling yarn for Type I tape shall have
24、a minimum twist of 2-1/2 turns per inch, and the filling yarn for Type II tape shall have a minimum twist of 15 turns per inch in the 60/1 single yarn. Page 3 of 13 Copyright Protected: Do Not Copy!PIA-T-6134C 3.5 Weave. 3.5.1 Types I and III. Types I and III are woven in a tubular construction usin
25、g a plain weave. The warp ends may weave 2 ends as 1, or 1 end as 1. 3.5.2 Type II. Type II is woven two-up, two-down herringbone twill, with one reversal of the weave in the middle of the tape. The tape shall have a woven selvage. 3.6 Construction and physical properties. The tape shall conform to
26、the construction and physical properties of TABLE I when tested as specified in 4.4.4. 3.7 Color. Unless otherwise specified by the processing activity, the color of the tapes shall be natural except for the identification yarn for Type I. If color is specified, specific colorfastness and appropriat
27、e test methods shall be specified by the procuring activity (see 6.2). 3.7.1 Identification yarn for Type I. One black identification yarn shall be interwoven down the center of one side of the tape. A black yarn shall be used as the catch-cord for the Type I shuttleless construction as specified in
28、 3.4.4. 3.7.1.1 Colorfastness of identification and catch-cord yarn for Type I. The identification yarn shall have colorfastness to crocking as follows: Note: 1/Rated using the AATCC Evaluation Procedure 8, AATCC9-Step Chromatic Transference Scale. 3.8 Physical Requirements. The tape shall conform t
29、o the physical requirements specified in TABLE I when tested as specified in 4.4.4 (THIS SPACE LEFT INTENTIONALLY BLANK) Characteristic Rating (minimum) Crocking 1/: Dry Wet 3.0 3.0 Testing shall be specified in TABLE II Page 4 of 13 Copyright Protected: Do Not Copy!PIA-T-6134C TABLE I Construction
30、and physical properties. Characteristic Type I Shuttle loom Type I Shuttleless Loom Type II Type III Width, inch 1/16 1 1 1 1 Yarn ply: Warp Filling Single Single Single Single 1, 2 or 4 1 or 2 1 or 2 1 Yarns (minimum): Warp (total) Filling (per inch) 206 206 104 206 48 96 1/58 44 Weight, oz/linear
31、yard (maximum) 0.40 0.40 0.145 0.40 Thickness, inch 0.025-0.045 0.025-0.045 0.010-0.030 0.025-0.045 Breaking strength, pounds, minimum 525 525 300 525 Elongation, percent, minimum 16 16 14 16 Note: 1/2 picks per shed. 3.9 Length of put-up (for Government procurements only). Unless otherwise specifie
32、d (see 6.2), tape shall be furnished on rolls containing 100 to 144 yards. No roll shall contain more than two pieces, and no piece shall be less than 40 yards in length. 3.10 Identification label. Each roll of tape shall show the length of tape contained on the roll. 3.11 Fiber identification. When
33、 directed in the procurement document or purchase order, each roll of tape shall be labeled, or ticketed, for fiber content in accordance with the Rules and Regulations under the Textile Fiber Products Identification Act. 3.12 Workmanship. The finished tape shall conform to the quality of product es
34、tablished by this specification. The occurrence of defects shall not exceed the applicable acceptable quality levels. 3.13 Date of manufacture (see 6.2). When required by the procurement document, the textile manufacturer shall properly identify the age of the textile materials by placing a tag on t
35、he finished 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
36、 the material. 3.14 pH. The pH value of the water extract of the finished tape shall be not less than 5.5 or more than 9.0 when tested as specified in 4.4.4. 4. VERIFICATION Page 5 of 13 Copyright Protected: Do Not Copy!PIA-T-6134C 4.1 Classification of inspection. The inspection requirements specif
37、ied 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 3.2 shall be inspected as specified in 4.3 through 4.6 for compliance with design, construction, workmanship a
38、nd dimensional requirements. 4.3 Conformance inspection. Conformance inspection shall include the examination of 4.3.1 and the tests of 4.3.1.1 through 4.4.4 as applicable. Sampling for inspection shall be performed as specified in this document, unless otherwise specified in the contract or order (
39、see 6.2). 4.3.1 Inspecting conditions. In accordance with 4.1 above, components and materials shall be inspected in accordance with all the requirements of referenced documents unless otherwise excluded, amended, modified or qualified in this specification or applicable procurement documents. 4.3.1.
40、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 referenced test methods. The lot size shall be expressed in pounds, and the sample un
41、it shall be 500 yards of yarn. The lot shall be unacceptable if one or more units fail to meet any requirement specified. All test reports shall contain the individual values utilized in expressing the final result. The sample size shall be as follows: Lot size (pounds) Sample size 800 or less 2 801
42、 up to and including 22,000 3 22,001 and over 5 (THIS SPACE LEFT INTENTIONALLY BLANK) Page 6 of 13 Copyright Protected: Do Not Copy!PIA-T-6134C TABLE II Component tests. Characteristic Requirement reference Test method Warp yarn: Nylon identification Nylon melting point Luster Denier Tenacity 3.4.1
43、AATCC 203.4.1 AATCC 20 3.4.2 Visual 1/3.4.2 ASTM D 1907 3.4.2 ASTM D 2256 1/Identification yarn, Type I: Turns per inch Fastness to crocking 3.7.1 Visual 1/3.4.5 ASTM D 1423 3.7.1.1 AATCC 8 1/Filling Yarn: Yarn identification Melting point (nylon yarns only) Yarn number or denier Breaking strength P
44、ly Turns per inch 3.4.1 1/3.4.1 AATCC 20 1/3.4.3 ASTM D 1907 1/3.4.3 ASTM D 2256 2/3.4.3 Visual 3/3.4.5 ASTM D 1423 Notes: 1/A Certificate of Compliance shall be submitted for those requirements which shall include a certified statement that the yarn used is that specified, along with the suppliers
45、type, identification data and melting point, and supported by a certified copy of the yarn producers certification to the tape manufacturer. 2/Except that five determinations shall be made per sample unit. 3/One determination per sample unit reported as “pass” or “fail.” 4.4 End item examination. 4.
46、4.1 Yard-by-yard examination. The required yardage of each roll shall be inspected on both sides for defects listed in TABLE IV. All defects found shall be counted, regardless of their proximity to each other, except where two or more defects represent a single local condition of tape, in which case
47、 only the more serious defect shall be counted. A continuous defect shall be counted as one defect for each warp-wise yard or fraction thereof in which it occurs. The lot size shall be expressed in yards. The sample unit shall be in 1 linear yard. The inspection level sampling and procedures shall b
48、e in accordance with ANSI/ASQ Z1.4. The inspection level shall be III and the Acceptable Quality Limit (AQL), expressed in defects per hundred units, shall be 0.25 for major defects and 1.0 for total defects. The number of rolls from which the sample yardage is to be selected shall be in accordance
49、with TABLE III. The sample yardage shall be apportioned equally among the selected rolls. Page 7 of 13 Copyright Protected: Do Not Copy!PIA-T-6134C TABLE III Sampling plan. Lot size in yards Sample size rolls Acceptance number (applicable to 4.4.2 and 4.4.3) Up to 1,200 1/3 0 1,201 up to and including 3,200 5 0 3,201 up to and including 10,000 8 0 10,001 up to and including 35,000 13 0 35,001 up to and
