1、 The following commercial specification is originally 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
2、reflect technology and design evolution. TAPE, TEXTILE, ARAMID 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 one type of aramid n
3、ylon tape. 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 ef
4、fort has been 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 fo
5、llowing 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 online at: www.ftc.gov or from the Federal Trade Commission, 600 Pennsylvania Avenue, N.W. Washing
6、ton, DC 20580-0001. Electronic copies may be also obtained from www.access.gpo.gov/.) 2.3 Non-government publications. The following documents form a part of this document. PIA-T-43709B 15 April 2013 Superseding PIA-T-43709A 08 January 2009 DISTRIBUTION STATEMENT: All Rights Reserved. No Part of thi
7、s 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-43709B AMERICAN SOCIETY FOR QUALITY (ASQ) ANSI/ASQ Z1.4 - Sampling Proced
8、ures 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.) ASTM INTERNATIONAL (ASTM) ASTM D 276 - Standard Test Methods for Identification of Fibers in Textiles ASTM D 1059 - St
9、andard Test Method for Yarn Number Based on Short-Length Specimens 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 - Standa
10、rd Test Method for Linear Density 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 Methods for Mass per Unit Area (Weight) o
11、f Woven Fabric (Copies should be obtained from the ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19426-2959. Electronic copies may be obtained from www.astm.org.) AMERICAN ASSOCIATION OF TEXTILE CHEMISTS AND COLORISTS (AATCC) AATCC 16 - Colorfastness to Light AATCC 20 - Fiber Anal
12、ysis: Qualitative AATCC 61 - Colorfastness to Laundering: Accelerated AATCC 81 - pH of the Water-Extract from Wet Processed Textiles (Application for copies should be addressed to AATCC National Headquarters, P.O. Box 12215, Research Triangle Park, NC 27709-2215. Electronic copies may be obtained fr
13、om www.aatcc.org.) PARACHUTE INDUSTRY ASSOCIATION PIA-TEST METHOD-4108 - STRENGTH AND ELONGATION, BREAKING; TEXTILE WEBBING, TAPE AND BRAIDED ITEMS (Electronic copies may be obtained from .) 2.2 Order of precedence. Unless otherwise stated herein or in the contract, in the event of Page 2 of 11 Copy
14、right Protected: Do Not Copy!PIA-T-43709B 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. REQUIREM
15、ENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.3. 3.2 Standard. Where applicable, the dyed tape shall match the standard for shade and shall, unless otherwise indicated, be equal to or better than the standard with respe
16、ct to all characteristics for which the standard is referenced (see 6.1). 3.3 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 oper
17、ational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.4 Material. 3.4.1 Yarn. The yarn for the warp and filling shall be made from an approved bright, multi-filament, aramid polyamide (see 6.3), nominal denier of 200 (22 tex) warp and 2-ply, 200 (22 tex) fi
18、lling. The yarn shall not char at a temperature less than 675F. The final ply of the filling yarn shall have a minimum of 2 turns per inch. Testing shall be as specified in 4.4.5. 3.4.2 Yarn (alternate construction). The yarn for the warp and filling shall be made from an approved aramid polymide sp
19、un into 40/2 (nominal) cotton count. The yarn shall not char at a temperature less than 676F. Testing shall be as specified in 4.4.5. 3.5 Color. Unless otherwise specified (see 6.2), the color of the tape shall be as specified in the procurement document. The color shall be obtained by the use of me
20、lt spun solution dyed fiber. 3.5.1 Visual shade matching. When evaluated in accordance with 4.6, the color of the finished tape shall match the standard with sources simulating artificial daylight and shall be a good match to the standard under incandescent lamplight. 3.5.2 Colorfastness. The dyed a
21、nd finished tape shall show fastness to light and laundering equal to or better than the standard. When no standard has been established or designated as applicable to colorfastness, the dyed and finished tape shall show “fair“ fastness to light and “good“ fastness to laundering when tested as speci
22、fied in 4.4.5. 3.6 Physical requirements. The finished tape shall conform to the requirements specified in TABLE I when tested as specified in 4.4.5. (THIS SPACE LEFT INTENTIONALLY BLANK) Page 3 of 11 Copyright Protected: Do Not Copy!PIA-T-43709B TABLE I Physical properties. Characteristic Requireme
23、nt Multifilament Spun Yarn Width, inches 1/4 1/64 1/4 1/64 Weight, oz./yd., maximum 0.07 0.10 Breaking strength, lbs., minimum 100 75 Warp yarns, full width, minimum 58 46 Denier and ply 200 (22 tex), 2 ply 40/2 (nominal) cotton count Twist 2 - Filling yarns, minimum 32 36 Denier and ply 200 (22 tex
24、), 2 ply 40/2 (nominal) cotton count Twist - - 3.6.1 Weave. The weave shall be a plain weave, except that the warp ends shall weave two ends as one. The filling yarn shall traverse the full width of the tape with one filling yarn per shed. 3.7 Nonfibrous material. The finished tape shall contain no
25、more than 2.0 percent starch and protein including chloroform-soluble and water-soluble material when tested as specified in 4.4.5. 3.8 pH. The pH value of the water extract of the finished tape shall be no less than 5.5 or more than 9.0 when tested as specified in 4.4.5. 3.9 Length and put-up. Unle
26、ss otherwise specified (see 6.2), the tape shall be furnished on double headed spools or tubes containing 500 10 yards. No spool or tube shall contain more than five pieces, and no piece shall be less than 5 yards long. 3.10 Identification tickets. Each spool or tube shall have a ticket attached wit
27、h not finer than 5-ply cotton string doubled to not less than 6 inches long. The tickets shall be made of paperboard not less than 0.015 inch in thickness and the color shall be manila or light in intensity to permit easy reading of printed, stamped or typed markings. The use of handwritten entries
28、is prohibited. The ticket shall have clipped corners at the end where a reinforcing patch (with or without a metal eyelet) is firmly affixed for attaching the tying string. The ticket shall be legibly printed with water insoluble ink with the following information: Stock number Nomenclature Specific
29、ation number Yardage Contract number and date of manufacture (month and year) Contractors name Name of contracting agency. When tape is not procured directly by the Government, the above information shall appear on the container, in which case the roll tickets are not required. Page 4 of 11 Copyrigh
30、t Protected: Do Not Copy!PIA-T-43709B 3.11 Fiber identification. When directed in the procurement document or purchase order, each spool or tube 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.
31、12 Workmanship. The 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 applicable acceptable quality levels specified herein. 3.13 Date of manufacturer (see 6.2). When required by
32、the procurement document, the textile manufacturer shall properly identify the age of the textile materials by placing a tag on the 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
33、 manufacture is defined as the date (month and year) of the last manufacturing process that affects the physical characteristics of the material. 4. VERIFICATION 4.1 Classification for inspection. The inspection of the tape shall be classified as follows: a. First article inspection b. Conformance i
34、nspection. 4.2 First article inspection. The first article submitted in accordance with 3.1 shall be inspected as specified in 4.3 for compliance with design, construction, workmanship and dimensional requirements. 4.3 Conformance inspection. Sampling for inspection shall be performed as specified i
35、n this document unless otherwise specified in the contract or order (see 6.2). 4.4 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise spec
36、ified in the contract or purchase order, the supplier may use his own or any other facilities suitable for the performance of all inspection requirements as specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the sp
37、ecification where such inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. 4.4.1 Certificates of Compliance. When Certificates of Compliance are submitted, the procuring activity reserves the right to inspect such items to determine the validity of th
38、e certification. 4.4.2 Component testing. The component listed in TABLE II shall be tested for the characteristics specified in accordance with the referenced test methods, except where otherwise specified. The sample shall be one cone, tube or spool each. Acceptance sampling plan shall be determine
39、d by using ANSI/ASQ Z1.4, Inspection Level S1 with an Acceptance Quality Limit (AQL) of 4.0. Page 5 of 11 Copyright Protected: Do Not Copy!PIA-T-43709B TABLE II Testing of component. Component Characteristic Requirement reference Test method or test reference Yarn Denier Ply Twist Carbonization TABL
40、E I 1/ TABLE I 1/ TABLE I 1/3.4.1 and 3.4.2 ASTM D 1059 Visual ASTM D 1423 2/ASTM D 276 Notes 1/One determination per sample unit and results reported as pass or fail. 2/The suppliers Certificate of Compliance showing that the yarn identified in 6.3 was used may be submitted in lieu of test method.
41、4.4.3 End item examination. 4.4.3.1 Yard-by-yard examination. The tape shall be examined on both sides for the defects listed in TABLE III. The defects found shall be counted, regardless of their proximity to each other, except when two or more defects represent a single local condition of the tape,
42、 in which case only the more serious defect shall be counted. A continuous defect shall be counted as one defect for each warpwise yard, or fraction thereof, in which it occurs. The unit of product for this examination shall be 1 linear yard. Acceptance sampling shall be determined by using ANSI/ASQ
43、 Z1.4, Inspection Level II with an Acceptance Quality Limit (AQL) of 0.40 major defects and 1.5 for total defects (major and minor combined). The lot size shall be expressed in units of 1 linear yard each. An approximate equal number of yards shall be examined from each spool or tube selected. TABLE
44、 III Tape visual defects. Examine Defect Classification Major Minor Broken or missing end Two or more regardless of length or a single exceeding 6 inches in length 101 Single end under 6 inches but exceeding 1/4 inch 201 Broken or missing pick Two or more regardless of extent Note: The filling tie-i
45、n or joining shall not be construed as a defect of any nature. 102 Twist or distortion Tape will not lay flat upon application of manual pressure due to twist or distortion 202 Cut, hole or tear Any cut hole or tear 103 Edges Frayed, slack or otherwise poorly constructed and exceeding 1/4 inch in le
46、ngth 104 Mispick, double pick Two or more across the full width 105 Single across the full width 203 Width Beyond specified tolerances 204 4.4.3.2 Overall examination. The tape shall be examined for the defects listed below. Page 6 of 11 Copyright Protected: Do Not Copy!PIA-T-43709B Each defect list
47、ed shall be counted not more than once in each spool or tube examined. The sample size shall be the applicable number of spools or tubes indicated in TABLE IV. Each spool or tube in the sample shall be examined over its entire length. The lot shall be rejected if the total number of defects in the s
48、ample exceeds the applicable acceptance number specified in TABLE IV. Defects: - Objectionable odor 1/- Off shade, not within specified tolerances - Uneven weaving throughout - Not labeled in accordance with the Textile Fiber Products Identification Act, if required Note: 1/Normal residual odors of
49、chemicals commonly use in the manufacturer of the material shall no be regarded as objectionable. TABLE IV Sample size. Lot size yards Sample size (rolls) 1/Acceptance number 1,200 or less 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 including 150,000 20 1 150,001 and over 35 2 Note: 1/If a lot contains fewer than 3 rolls, each roll in the lot shall be examined. 4.4.3.3 Length examinat
