PIA-T-5237B-2013 TAPE TEXTILE WEBBING TEXTILE RAYON.pdf

1、 The following commercial specification is adopted from the military document. Initial and Revision A included 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

2、reflect technology and design evolution. TAPE, TEXTILE; WEBBING, TEXTILE; RAYON 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 ray

3、on tape and webbing. 1.2 Classification. The rayon tape and webbing shall be of the following types and widths as specified (see 6.2). Type I - Flat-weave tape Type Ia - Flat-weave webbing Type II - Tubular-weave webbing For widths - (see TABLE I) 2. APPLICABLE DOCUMENTS 2.1 General. The documents l

4、isted 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 been made to ensure the completeness of this list, doc

5、ument 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 Government publications form a part of this document. F

6、EDERAL 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. Washington, DC 20580-0001. Electronic copies may also be obtained from

7、 http:/www.access.gpo.gov/.) PIA-T-5237B 15 April 2013 Superseding PIA-T-5237A 12 April 2009 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 fro

8、m PIA Specifications and Products at: . Copyright Protected: Do Not Copy!PIA-T-5237B 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 Tables for Inspection by Attributes (Copies are avail

9、able online at: www.asq.org or from the American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203. Electronic 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 3774

10、- 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 5034 - Standard Test Method for Breaking Strength and Elongation of Texti

11、le Fabrics (Grab Test) (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 COLORISTS (AATCC) AATCC 8 - Colorfastness to Crocking;

12、 AATCC Crockmeter Method AATCC 20A - Fiber Analysis: Quantitative AATCC 81 - pH of Water-Extract from Wet Processed Textiles AATCC 107 - Colorfastness to Water AATCC 132 - Colorfastness to Drycleaning AATCC Evaluation Procedures: - 9 Visual Assessment of Color Difference Textiles. (Applications for

13、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.) COLOR ASSOCIATION OF THE UNITED STATES (CAUS) CA # - Cable Number (To obtain color standards go to www.colorassociation .com or

14、 email or address the Color Association of the United States, 315 West 39thStreet, 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 of this document and the references cited herein, the text of this Page 2 of

15、 10 Copyright Protected: Do Not Copy!PIA-T-5237B 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 a

16、rticle inspection in accordance with 4.3. 3.2 Recycled, recovered, or environmentally prefrable 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 requireme

17、nts, and promotes economically advantageous life cycle costs. 3.3 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 i

18、s referenced (see 6.1). 3.4 Material. 3.4.1 Yarns. The rayon yarns for the warp and filling shall be bright multifilament viscose rayon (see 6.3) except that the yarns for the Type I, 1/2 inch tape shall be bright, semi-dull or dull multifilament viscose rayon. 3.3 Physical requirements. The finishe

19、d tape or webbing shall conform to the requirements of TABLE I when tested as specified in 4.4.3. TABLE I Physical requirements. Type Width inches Linear Total Picks per Breaking yards per pound minimum ends in warp minimum inch, minimum strength lbs., minimum full width I 1/2 1/16 400 66 52 or 104

20、15 I 9/16 1/32 200 48 36 or 72 50 I 1-1/8 1/32 100 94 36 or 72 100 I 1-1/4 1/32 80 116 30 or 60 140 Ia 3/8 1/32 100 30 36 or 72 160 Ia 9/16 1/32 40 280 21 or 42 500 Ia 1 1/32 32 90 36 or 72 500 Ia 1-5/8 1/16 15 136 36 or 72 750 II 1/8 1/32 125 23 24 150 II 3/16 1/32 100 30 30 200 II 1/2 1/16 40 81 3

21、0 500 II 9/16 1/16 40 81 30 500 II 5/8 1/16 23 130 52 900 Note: 1/Types I and Ia may be woven using 1 yarn per shed on a shuttle loom or 2 yarns per shed using a shuttleless loom. 3.3.1 Weave. The weave of the tape and webbing shall be as specified in 3.3.1.1 through 3.3.1.3. Page 3 of 10 Copyright

22、Protected: Do Not Copy!PIA-T-5237B 3.3.1.1 Type I. For the 9/16, l -1/8, and 1/2 inch widths of tape, the weave shall be plain, 1 up and 1 down. The 1 inch tape shall be either plain weave, 1 up and 1 down or a 2 up and 2 down herringbone twill weave, with one reversal of twill in the center of the

23、tape. 3.3.1.2 Type Ia. For the 3/8 inch and 1 inch widths of webbing, the weave shall be a 2 up and 2 down herringbone twill with one reversal of twill in the center of the webbing. For the 9/16 inch webbing, the weave shall be plain 1 up and 1 down. The 1-5/8 inch webbing shall be either plain weav

24、e, 1 up and 1 down or a 2 up and 2 down herringbone twill weave with one reversal of twill in the center of the webbing. 3.3.1.3 Type II. The weave for all widths shall be a tubular plain weave, 1 up, 1 down face and back, except that the 3/16 inch width shall have transfer of filling from the face

25、to the back in the center of the webbing. 3.4 Color. Unless otherwise specified by the procuring activity (see 6.2), the color of the tape or webbing shall be the natural white of the finished yarn. 3.4.1 Marker thread. When specified (see 6.2), the tape or webbing shall contain 1 end of warp yarn d

26、yed red to match cable No. 70180 woven into the center of the face of the tape or webbing. The use of solution dyed yarn is permissible. 3.4.2 Colorfastness. The dyed yarn woven into the center of the tape or webbing shall have a colorfastness rating of “good“ to water when tested as specified in 4.

27、4.3. 3.4.3 Colorfastness (Type I, 1/2 inch). The dyed tape shall show good fastness to wet dry cleaning and crocking, when tested as specified in 4.4.3. 3.4.4 Visual shade matching. When evaluated in accordance with 4.4.4, the color of the dyed tape or webbing shall match the standard with sources s

28、imulating artificial daylight and shall be a good match to the standard under incandescent lamplight. 3.5 Finish. The tape or webbing shall have a smooth and even finish. 3.5.1 Nonfibrous materials. The water-soluble and chloroform-soluble materials of the tape or webbing shall not exceed 2.0 percen

29、t when tested as specified in 4.4.3. 3.5.2 pH. The pH value of the water extract of the tape or webbing shall be no less than 5.5 nor more than 9.0 when tested as specified in 4.4.3. 3.6 Length. Unless otherwise specified (see 6.2), the tape and webbing shall be furnished in rolls or on spools as fo

30、llows: Holders for Type I tape and Type Ia, webbing - 250 10 yards Holders for Type II webbing - 144 10 yards Not more than two pieces shall be allowed in each roll or spool, and no piece shall be less than 10 yards. 3.7 Fiber identification. When directed in the procurement document or purchase ord

31、er, each roll or spool of finished tape or webbing shall be labeled or ticketed for fiber content in accordance with the Rules and Regulations Under the Textile Fiber Products Identification Act. Page 4 of 10 Copyright Protected: Do Not Copy!PIA-T-5237B 3.8 Workmanship. The tape or webbing shall con

32、form to the quality of product established by this specification. The occurrence of defects shall not exceed the applicable acceptable quality levels. 3.9 Date of manufacture (see 6.2). When required by the procurement document, the textile manufacturer shall properly identify the age of the textile

33、 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 manufacture is defined as the date (month and year) of the last manufacturing process that affects

34、 the physical characteristics of the material. 4. VERIFICATION 4.1 Classification of inspection. 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 submitte

35、d in accordance with 3.2 shall be inspected as specified in 4.3 through 4.3.1 for compliance with design, construction, workmanship and dimensional requirements. 4.3 Conformance inspection. Sampling for inspection shall be performed as specified in this document unless otherwise specified in the con

36、tract or order (see 6.2). 4.3.1 Component and material inspection. In accordance with 4.1, components and materials shall be inspected in accordance with all the requirements of referenced specifications drawings, and standards unless otherwise excluded, amended, modified, or qualified in this speci

37、fication or applicable procurement document. 4.3.1.1 Certificates of Compliance. Where Certificates of Compliance are submitted, the procuring activity reserves the right to inspect such items to determine the validity of the certification. 4.4 End item inspection. 4.4.2 Yard-by-yard examination. Th

38、e required yardage of each roll or spool shall be inspected on both sides and visual defects classified in accordance with TABLE III. All defects found shall be counted regardless of their proximity one to another, except where two or more defects represent a single local condition of the tape or we

39、bbing, in which case 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 sample unit for this examination shall be 1 linear yard. Inspection sampling and procedure shall be in accordance

40、 with ANSI/ASQ Z1.4. The inspection level shall be II and the Acceptable Quality Limit (AQL), expressed interms of defects per hundred units, shall be 0.40 major and 1.5 total defects. The lot size shall be expressed in units of 1 yard each. An approximate equal number of yards shall be examined fro

41、m each roll or spool selected. The number of rolls or spools from which the sample is to be selected shall be in accordance with TABLE II. Page 5 of 10 Copyright Protected: Do Not Copy!PIA-T-5237B TABLE II Sample size. Lot size in yards Sample size in spools or rolls Acceptance number Up to 1200 1/3

42、 0 1201 up to and including 3200 5 0 3201 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 32 2 Note: 1/If a lot contains less than three rolls or spools, each roll or spool in the lot shall be examined. TABLE III End item

43、 visual defects. Examine Defect Classification Major Minor Abrasion mark Resulting in a weak place 101 Broken or missing end Two or more continuous 102 Single 201 Broken or missing pick Two or more continuous 103 Single 202 Coarse filling bar Resulting in increased stiffness or thickness of tape or

44、webbing 104 Crease or wrinkle, edge folded or rolled Hard, embedded 203 Cut, hole or tear Any cut, hole or tear 105 Edge cut, torn or frayed Any cut, torn or frayed 106 Edges Slack or poorly constructed and extending for 1/4 inch or more along length of tape or webbing 204 Fine or light filling bar

45、1/ 107 Float or skips Multiple, 1/2 inch or more in either warp or filling directions or single floating over more than 1 inch 108 Multiple ,less than 1/2 inch in either warp or filling directions or single floating over more than 1/4 inch but not more than 1 inch 205 Heavy place Noticeable stiffer

46、or thicker than adjoining unaffected tape or webbing 109 Hitchback crack Opening between adjoining picks or warp-wise tension area over part of the width resulting in light and heavy places 1/206 Jerked-in-filling, slough-off, slug More than twice the thickness of the normal yarn 207 Kinks More than

47、 3 kinks in any 9 linear inches 208 Knot More than 1 knot in any 9 linear inches 110 One knot with untrimmed ends extending from surface of tape or webbing 209 Page 6 of 10 Copyright Protected: Do Not Copy!PIA-T-5237B TABLE III End item visual defects (contd). Examine Defect Classification Major Min

48、or Mispick, skips (harness) Resulting in widthwise repeated floats more than 1/4 inch long 111 Shade bar, mixed filling 1/ 210 Slack end Two or more in the same length, jerked in between picks, or forming loops on surface 1/112 Single, jerked in between picks, or forming loops on surface 1/211 Slub,

49、 slug, or gout More than twice the thickness of the yarn 212 Smash Any smash 113 Spot, stain, or streak Any clearly visible 1/213 Tight end Clearly visible up to 12 inches in length 1/214 Tight pick or filling Resulting in rolling of tape or webbing 114 Wavy or ridgy tape or webbing (will not flatten under pressure) 1/ 115 Weak, soft or tender spot Any weak, soft or tender spot 116 Wrong draw Extending for more than 9 inches 215 Yarns