ImageVerifierCode 换一换
格式:PDF , 页数:7 ,大小:383.46KB ,
资源ID:983271      下载积分:10000 积分
快捷下载
登录下载
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)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-983271.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 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。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(NAVY MMM-A-1058 A-1975 ADHESIVE RUBBER BASE (IN PRESSURIZED DISPENSERS)《加压分配器内部橡胶基座粘合剂》.pdf)为本站会员(cleanass300)主动上传,麦多课文库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库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

NAVY MMM-A-1058 A-1975 ADHESIVE RUBBER BASE (IN PRESSURIZED DISPENSERS)《加压分配器内部橡胶基座粘合剂》.pdf

1、MW-A- 1058A January 16, 1975 SUPERSEDING MMM-A-OOlO58(GSA-FSS) June 10, 1968 . FEOERAL SPECIFICATION (IN PRESSURIZD DISPENsERs) This specification was approved by the Commissioner, Federal Supply Service, General Services Administration, for the use of all Federal agencies. ADHESIVE, RUBBER BASE, 1.

2、 SCOPE AND CLASSIFICATION 1.1 Th:s specification covers two types of rubber base adhesive which is relatively colorless, fast drying, and packaged in a pressurized container commonly known as an aerosol dispenser. 1.2 Classification. The rubber base adhesive shall be of the following types, as speci

3、fied: Type I - Regular (high solids). Type II - Non-flammable (low solids). 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issues in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein: Federal Specifications: Q

4、Q-S-775, - Steel Sheets, Carbon, Zinc-Coated. PPP-B-585 - Boxes, Wood, Wirebound. PPP-B-591 - Boxes, Shipping, Fiberboard, Wood-Cleated. PPP-B-601 - Boxes, Wood, Cleated-Plywood. PPP-B-621 - Boxes, Wood, Nailed and Lock-Corner. PPP-B-636 - Boxes, Shipping, Fiberboard. PPP-B-640 - Boxes, Fiberboard,

5、Corrugated, Triple-Wall. PPP-F-320 - Fiberboard: Corrugated and Solid, SLieet Stock (Container Grade), and Cut Shapes. Federal Standards: Fed. .St Methods of Inspection, Sampling, and Testing. (Activities outside the Federal Government may obtain copies of Federal Specifications, Standards, and Hand

6、books as outlined under General Information in the Index of Federal Specifications and Standards at the prices indicated in the Index. The Index, which includes cumulative monthly supplements as issued, is for sale on a subscription basis by the Superintendent of Documents, IIS Government Printing O

7、ffice, Washington, DC 20402. (Single copies of this specification and other Federal Specifications required by activities but- side the Federal Government for bidding purposes are available without charge from Business Service Centers at the General Services Administration Regional Offices in Boston

8、, New York, Washington, DC, Atlanta, Chicago, Kansas City, MO, Fort Worth, Denver, San Francisco, Los Angeles, and Seattle, WA. (Federal Government activities may obtain copies of Federal Specifications, Standards, and Hand- books and the Index of Federal Specifications and Standards from establishe

9、d distribution points in their agencies. ) Military Standards: MIL-STD-lo5 - Sampling Procedures and Tables for Inspection by Attributes. MIL-STD-129 - Marking for Shipment and Storage. (Copies of Military Specifications and Standards required by contractors in connection. with specific procurement

10、functions should be obtained from the procuring activity or as directed by the contracting officer. 3 FSC 8040 Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MM“A-1058A 2.2 Other publications. The following d

11、ocuments form a part of this specification to he extent specified herein. Unless a specific issue is identified, the issue in effect on date of invitation for bids or request for proposal shall apply. American Society for Testing and Materials (ASTM) Standards: D 230-44 - Numbered Cotton Duck and Ar

12、qy Duck. (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) Chemical Specialities Manufacturers Association (CSMA) Publications: CGMA - Aerosol Guide - Vacuum Distillation: Distillation Method (Adopted December 4,

13、 1956) (Fifth Edition, March 1966). Mekhod for Determination of Volatile - Nonvolatile Ratios of Aerosol Formulations; Vacuum BMA - Aerosol Guide- Flammability: Revised FLammabi1ity:Test Methods for Aerosol Products (adopted September 12, 1963). (Fifth Edition, March 1966). (Application for copies s

14、hould be addressed to Chemical Specialities Mnufacturers Association, Inc. ASSURANCE PROVISIONS 4.1 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

15、as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in t

16、he specification where such inspections are deemed necessary to assure that supplies and services conform to prescribed requirements. 4.2 Sampling. Sampling for visual examination and testing shall be in accordance with MIL-SEI-105. 4.2.1 Visual examination. At inspection level S-4, with an acceptab

17、le quality level (AQL) of 2.5 defects per one hundred units, check for the following: Leaks, rust, damages (dents, bruises, scratches), film defects, improper marking, ease of operation (shake and spray), and other deficiencies. I 4.2.2 Tests. Conduct tests at inspection level S-3 with an incorrect;

18、 illegible; improper size, location, sequence, or method of application. Materials Any component missing or damaged. Workmanship Inadequate application of components such as incomplete closure of container flaps, loose strapping, inadequate stapling. Distortion of container. Contents (exterior and i

19、nterior container) Number per container is more or less than required. Net weight exceeds requirements. 4.4 Test procedures. 4.4.1 Total solids. Test for total solids by the CSMA December 4, 1956, Vacuum Distillation Method for th Determination of Volatile - Nonvolatile Ratios of Aerosol Formulation

20、s. 4.4.2 Adhesion 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I I MIM-A-LOSBA BO 9797974 0006873 b I “M-A-1058A 4.4.2.1 Equipment. . (a) Galvanized steel panels, 4 inches by 8 inches, 0.0635 inch nominal thickness, conforming to type I, class d

21、 or e, of QQ-S-775. Number 10 cotton strips, 1-112 inches by 12 inches , conforming to ASTM D 230-44. Scott tensile tester, or equivalent, with a jaw separation rate of 2 inches per minute. pressure by hand to the test assembly. is d A steel rollery, 2 inches wide and weighing approximately 850 gram

22、s, capable of applying (e) Timing device such as a stopwatch. 4.4.2.2 Procedure. Have the galvanized panels thoroughly degreased, clean, and dry. Attach two of these panels to a vertical or almost vertical surface in a suitable mnner so that adhesive may be applied from the pressurized dispenser eve

23、nly and conveniently. Attach four of the cotton duck strips with the weave (warp) in the 12-inch direction in a similar manner to the same surface. Apply three even coats of adhesive (enough to fill in the weave) to the canvas strips and two even coats to the galvanized panels (at the time the secon

24、d and third coats are applied to the cloth). Allow a the lastcoats, bond two of the cotton strips to each of the galvanized panels by placing the strips, drying time of 15 minutes after application of each coat of adhesive. Five minutes after applying with adhesive coat facing down, to the panels wi

25、th the adhesive-coated side turned upward. Bond the strips to the panels securely gnd smoothly by rollingthe bonds vigorously with the steel roller. Dry the bonds for 24 hours at 73.4 2 2OF. (23 2 1.l0C) , and then immediately for 2 days at 120 2 5OF. (hg0 + 3OC). With no further drying time, cut st

26、rips one inch wide from the center of the 1-1/2 Inch boded pieces. Pull each of the four bonds thus prepared in 180 peel on the tensile testing machine at a jaw separation rate of 2 inches per minute. Record the peel adhesion value for each of the four specimens and report the average of the four va

27、lues in pounds per inch width for determining conformance with 3.4.1.2. 4.4.3 Net contents. Weigh the full, pressurized, ready-to-use dispenser of adhesive accurately to the nearest gram. Then, with the dispenser well agitated and in an upright position and using a needle point, pierce the top with

28、a very fine hole which will allow the propellant to escape. (Conditioning the dispenser for one hour at a relatively low temperature will facilitate this.) After a few minutes the pierced hole can be enlarged and, as soon as there is no further evidence of gas escaping, the top of the dispenser shou

29、ld be cut open. Thoroughly clean all interior sur- faces of the dispenser and top by successive washing with hexane or toluene. Dry the clean, empty dispenser and top, and weigh accurately to the nearest gram. Determine the net contents by calcu- lating the difference between the full, ready to use

30、dispenser and the clean, empty dispenser. All tests for net contents shall be made on the same dispenser, and not less than two dispensers of.any one or both sizes from the same lot shall be tested for conformance with 3.4.2.1. Report the average of the results obtained on the two or more dispensers

31、 tested. 4.4.4 Internal pressure. 4.4.4.1 Equi ment. U.S. Gauge Company gage number 10897, or equivalent (calibrated to read O to 100 p.i*ith value fitting for insertion into pressurized aerosol dispensers with a Sprayon Danvern valve, or equal. 4.4.4.2 Procedure. Condition the pressurized dispenser

32、s to be tested at the temperature speci- fied in 3.4.2.2. Turn the dispenser upside down with the spray tip seated correctly in the valve. Clean the valve of adhesiue by depressing the spray tip until only gas is emitted from the tip. Keeping the dispenser in the inverted position, push the gage int

33、o the valve and immediately read the gage. Pull the gage from the dispenser before turning the dispenser to the upright position. Not less than six dispensers shall be tested at each specified temperature from an inspection lot. Report the maximum, minimum, and average pressures for each specified t

34、emperature for conformance with 3.4.2.2. 4.4.5 Delivery rate. 4.4.5.1 Equipment. (a) Balance or scale accurate to + 1 g. (b) Timing device such as a stopwtch. (c) Spray booth or area in which adhes2ve can be sprayed safely for one minute continuously. - I/ A roller similar to the one specified may b

35、e purchased from the Hoggson and Pettis mnufacturing C Co., Orange, Connecticut. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-“M-A-1058 4.4.5.2 Procedure. Condition the pressurized dispenser at 73.4O 2 2F. (23 2 l.lC). Weigh the conditioned pres

36、surized dispenser. Then, holding the dispenser in a vertical position, depress Reweigh the dispenser and calculate the delivery rate from the loss in weight from the original. the valve activator all the way down, and spray the adhesive at full valve opening for 60 seconds. Report the average delive

37、ry rate of six dispensers from each inspection lot for conformance with 3.4.2.3. (23O + 1.1% . Use No. 1 kraft, wrapping paper, untreated, 90 pounds basis weight (24 inches by 4.4.6 Spraying properties. Condition the adhesive dispenser for one hour at 73.4 2 2OF. position to a wall or other stationa

38、ry surface. Holding the pressurized dispenser about five to ten 36 inGhes, 5iO sheets). Attach a sheet of this paper, approximately one yard square, in a vertical inches from the surface, spray the adhesive on the kraft paper for approximately ten seconds without moving the dispenser. Observe the ad

39、hesive pattern thus sprayed on the paper surface. If for any reason the spraying is not done in a manner so that an even, continuous flow of adhesive is delivered, the dispenser should be agitated and the test repeated. Not less than six dispensers of adhesive from each inspection lot shall be teste

40、d for conformance with 3.4.2.4, 4.4.7 Non-flammability (type II only). The contents of the pressurized container shall be pro- jected through a flame as described in CSMA Aerosol Guide, September 12, 1963, Revised Flammability Test Methods for Aerosol Products. 5. PREPARATION FOR DET;CVERY 5.1 Packa

41、ging. Packaging shall be levei A, B, or C as specified (see 6.2). tion, shall be packaged in a close-fitting box conforming to PPP-B-636, class weather-resistant. Fiberboard separators shall be provided with the fiberboard meeting the requirements of PPP-F-320, type CF, class doroestic, variety SW.

42、The box shall be closed and sealed in accordance with the appendix of the box specification. 5.1.1 Level A. Unless otherwise specified (see 6.2), 12 filled cans of adhesive of like descrip- shall conf-h Pm-B-636, class domestic. 5.1.2 Level B. Level B packaging shall conform with the requirements of

43、 5.1.1, except the box 5.1.3 Level C. The filled cans of adhesive shall be packaged to afford adequate protection against corrosion and damage during shipment from the supply source to the first receiving activity. The suppliers commercial practice will beacceptable when it fulfills the above requir

44、ements. 5.2 Packing. Packing shall be level A, B, or C, as specified (see 6.2). 5.2.1 Level A. Unit packages of adhesive, of like description, shall be packed in a close-fitting box confor- PPP-B-585, class 3; PPP-B-591, class II; PPP-B-601, overseas type; PPP-B-, class 2; PPP-B-636, class weather-r

45、esistant; or PPP-B-640, class 2. The boxes shall be closed and strapped in accordance with the appendix of the applicable box specification. The gross weight of the triple-wall fiberboard box and the wood boxes shalkaot exceed 200 pounds. The gross weight of the PPP-B-636 box shall not exceed the we

46、ight limitations of the box specification. 5.2.2 Level B. Filled cans pckaged as specified in 5-1.2 shall not require overpacking. 5.2.3 Level C. The filled cans of adhesive shall be packed to insure carrier acceptance and safe delivery at the lowest rates, in containers complying with the Uniform F

47、reight Classification or National Motor Freight Classification, as applicable. 5.3 Marking. 5.3.1 Civil agencies. In addition to markings required by the contract or order, the interior packages and shipping containers shall be marked in accordance with Fed. Std. No. 123. packages and shipping conta

48、iners shall be marked in accordance with MIL-STD-129. 5.3.2 Military agencies. In addition to markings required by the contract or order, the interior 5.3.3 Special markings. In addition to other markings specified (see 5.3.1 and 5.3.2), the following markings shall be applied 6 Provided by IHSNot f

49、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MM“A-1058A 5.3.3.1 Unit containers. Net weight in ounces. Name of material. Manufacturers name and address. Precautions for use and storage. Directions for use including surface preparation. Date of manufacture by month and year. Date of first re-inspection (I2 months after date of manufacture). Store below &OF. Name of the propellant or propellants. 5.3.3.2 Intermediate and shipping containers. Net weight in o

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