欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    AIR FORCE MIL-C-38351 A-1972 CLOTH PARACHUTE NYLON AROMATIC NONMELTING《不熔融芳香族尼龙伞布匹》.pdf

    • 资源ID:427586       资源大小:339.53KB        全文页数:11页
    • 资源格式: PDF        下载积分:5000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要5000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    AIR FORCE MIL-C-38351 A-1972 CLOTH PARACHUTE NYLON AROMATIC NONMELTING《不熔融芳香族尼龙伞布匹》.pdf

    1、* bF MIL-C-3835LA 83 = MI 9999906 0474978 3 ITAY PECIF MIL-C-3835 lA (USF ) 22 August 1972 SUPERSEDING MIL-C-3835 1 (USAF) 18 March 1965 T ION CLOTH, PARACHUTE, NYLON, AROMATIC, NONMELTING 1. SCOPE 1.1 Scope. This specification covers requirements for two types and three classes of aromatic polyamid

    2、e cloth. 1.2 Classification. The aromatic polyamide cloth shall be of the following types and classes, as specified (see 6.2). Type I, class 1 - 4.7 oz. Type I, class 3 - 12.0 oz. Type II, class 1 - 7.0 oz. Type i, class 2 - 6.5 OZ. Type II, class 2 - 18.0 oz., resin treated 2. APPLICABLE DOCUMENTS

    3、2.1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: SPECIFICATIONS Federal PPP- P- 1 1 3 3 Packaging and Packing of Synthetic Fiber Fabrics STANDARDS Federal Fed Std No. 4 Glossa

    4、ry of Fabric Imperfections Fed Std No. 191 Textile Test Methods FSC 8305 , Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-3835LA 83 999990b 0474979 5 M iz L MIL- C-3 835 1A (USAF) Mi li tary MIL-STD-105 Sampling Procedures and Tables for Insp

    5、ection by Attributes (Copies of specifications, standards, drawings and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.2 Other publication. The following document forms

    6、a part of this specification to the extent specified herein. Unless other- wise indicated, the issue in effect on date of invitation for bids or request for proposal shall apply. Federal Trade Conmission Textile Fiber Products Identification Act, effective March 3, 1960. (Copies may be obtained with

    7、out charge from the Federal Trade Comnission, Washington D. C. 20580.) 3. REQUIREMENTS 3.1 Yarn. aromatic polyamide. below 675OF when tested as specified in table II. 3.2 Construction and physical properties. The construction and physical properties of the finished cloth shall be as specified in tab

    8、le I and 3.3 through 3.10. The yarn shall be a 200 2 15 denier, nonmeltfng, The yarn shall not char at a temperature 3.3 Width. The width, inclusive of selvage, for all types and classes of cloth shall be as specified by the procuring activity (see 6.2). 3.4 Weave 3.4.1 Typ e I, class 1. The weave s

    9、hall be 2-up, 2-down, right- hand twill. 3.4.2 pi, e I, classes 2 and 3. The weave shall be as shown in figure 1. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Y v) al rl U k al a O $4 a rl m U .d v) R a a C m C O ?-I U U =, k U O U : H al rl P I

    10、d w bo cc ? NN mm hlN O0 *d O0 mm mm O0 mm Nrl mm NN * mo o0 “ mm om U (I? al U v) rl C Y C U O -I U v v v) o -I n 2 n a al- kC (dm a aal E ald Po al ria rim (d : %E (d m3 U Mal iu c uu vu alo M mal v) MIL-C-3835l.A (USAF) Q al U. ri v) 1 Provided by IHSNot for ResaleNo reproduction or networking pe

    11、rmitted without license from IHS-,-,-MIL-C-3835LA 83 9999906 0474987 4 MIL- C- 3835 1A (WAF ) 4.4 in Fed Std. No: 191, wherever applicable, and as listed in table III shall be followed. The physical and chemical values Specified a in Section 3 apply to the average of the determinations made on a sam

    12、ple unit for test purposes as specified in the. applicable test methods. The lot shall be unacceptable if one or more units fail to meet any requirements specified except for the permeability test (see 4.4.1). The lot size shall be expressed in terms of 1 yard each. sample unit for all type I, and c

    13、lass 1 of type II cloth shall be 2 continuous yards, full width, of the finished cloth. The sample unit for type II, class 2 cloth shall be 1-1/2 continuous yards, full width of the cloth prior to resin treatment, and one- half yard, full width, of the treated cloth. Testing of the end item. The met

    14、hods of testing specified The sample size shall be as given under 4.2.1. The 4.4.1 Air permeability. A 2-yard sample, the full width of cloth, shall be selected from each shippers roll and shall be tested for air permeability as specified in table III. Failure to meet the air permeability requiremen

    15、t shall cause rejection of the roll of cloth represented. 4.4.2 Breaking strength after aging. The size of the specimens shall be the same as specified in the unaged tests (see table III). The specimens shall be placed in an oven at 500 + 10F for 24 hours. Upon removal, the specimens shall be condit

    16、ioned at standard conditions for 4 hours and tested for breaking strength as specified in table III. treatment shall be reported as percent of the unaged specimens. 5. PREPARATION FOR DELIVERY The breaking strength after the aging 5.1 Packaging. Packaging shall be level A, B, or C as specified (see

    17、6.2). 5.1.1 Levels A, B, and C. The cloth, put up in rolls, shall be packaged in accordance with the applicable requirements for class 2 fabrics of PPP-P-1133. 5.2 Packing. Packing shall be level A, B, or C as specified (see 6.2). 5.2.1 Levels A, B, and C. The cloth shall be packed in accordance wit

    18、h the applicable requirements of PPP-P-1133. 10 n Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-U i MIL-C-3835LA 83 9999906 0474988 b , 5.3 Marking. contract or order, shipments shall be marked in accordance with the applicable requirements of PPP-

    19、P-1133. In addition to any special marking required by the 5.4 Age, date of manufacture to the date of delivery. The cloth shall be not more than 2 years old from the 6. NOTES 6.1 Intended use. The cloth is intended for use in the manufacture of parachute canopies, packs, and pack stiffeners. 6.2 Or

    20、dering data. Procurement documents should specify the following: a. Title, number, and date of this specification. b. Type and class of cloth required (see 1.2). c. Width and quantity required (see 3.3). d. Selection of applicable levels of packaging and packing (see 5.1 and 5.2). 6.3 Nomex (formerl

    21、y called HT-l), manufactured by E. I. duPont, is an acceptable yarn, 6.4 Finish. The type II, class 2 cloth has been made successfully by using the following finishing process: Scour: 180F for 30 minutes in a jig 1 g/l Duponal RA 1 g/i TSPD Overflow rinse until clear Dry: Minimum tension on tenter f

    22、rame (250%) Finish: Pad at 80F, 2 dips; 2 nips to 30 percent wet pickup 660 g/l Resloom M-75 10 g/l Diammonium phosphate Dry: Minimum tension on tenter frame (2509) Cure: Minimum tension on tenter fram (400OF for 3 minutes) Wash: Crab one pass over one roll 2 g/l sodium perborate at 80% Crab one pas

    23、s over one roll Clear water at 80F Minimum tension on tenter frame (250%). Dry: Cus t od ian : Air Force - 11 Reviewer : Air Force - 82 Preparing activity : Air Force - 11 Project Number : 8305-0904 11 * U. & GOVERNUENT PRINTING OFFICB 1972 -714-537/1346 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


    注意事项

    本文(AIR FORCE MIL-C-38351 A-1972 CLOTH PARACHUTE NYLON AROMATIC NONMELTING《不熔融芳香族尼龙伞布匹》.pdf)为本站会员(tireattitude366)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开