FORD ESB-M2G200-B-2014 ADHESIVE EPOXY - MICROENCAPSULATED - IMPROVED HEAT RESISTANCE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2002 09 16 Revised Updated and renumbered 2000 09 20 Revised Updated A. Cockman 1976 12 09 Released AG1-6000-158 Printed copies are uncontrolled Page 1 of 2 Copyright 2002, Ford Global Technologies, Inc. ADHE

2、SIVE, EPOXY - MICROENCAPSULATED - IMPROVED ESB-M2G200-B HEAT RESISTANCE 1. SCOPEThe material defined by this specification is a microencapsulated epoxy adhesive that developsprevailing torque between mating threaded fasteners after assembly. Prevailing torques aredeveloped on all fastener coatings a

3、nd finishes, and are redeveloped with only a moderate loss afterremoval and reinstallation. This adhesive is non-flammable and is recommended for applicationsthat require exposure to elevated temperatures of 90 - 150 C.2. APPLICATIONThis specification was release originally as a material for use on

4、studs for SMC grill opening panels.3. REQUIREMENTSMaterial specification requirements are to be used for initial qualification of materials.3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Mater

5、ials (WSS-M99P1111-A). 3.2 APPEARANCE: Opaque, viscous liquid Orange or neutral 3.3 WEIGHT PER VOLUME 1.29 +/- 0.024 kg/L (ASTM D 891, Method “A“) 3.4 VISCOSITY (Brookfield RVF, No. 4 spindle at 20 rpm, at 23 +/- 2 C) 3.4.1 As received 900 - 1800 mPas 3.4.2 Aged, max 3000 mPas (7 days at 50 +/- 2 C)

6、 3.5 SOLIDS, min 40 % Test Method: Heat 1-2 g weighed sample in a vacuum oven (1.3 kPa or less) at 55 +/- 2 C for 4 h. Allow sample to cool and determine weight loss in percent. Report percent solids as 100 minus % weight loss. NOT TO BE USED FOR NEW DESIGN2014 12 08 N Status No replacement named L.

7、 Sinclair, NAENGINEERING MATERIAL SPECIFICATION ESB-M2G200-B Page 2 of 2 Copyright 2002, Ford Global Technologies, Inc. 3.6 TORQUE . Six fully coated studs (Standard part #385806) are fitted to each of 5 FRP (ESB-M3D105-B - Type II - SMC reinforced polyester). Test-boards approximately 200 x 200 x 1

8、99 mm with holes drilled in it. The hole size should be specified on the appropriate piece part drawing. The studs are self-tapping. . All torques are measured with a torque wrench having a sensitivity of at least 0.56 N.m. The prevailing torque in, is the maximum torque necessary to screw the stud

9、into the board before it is seated. The studs are then seated with a minimum of 5.6 N.m. The torque wrench should be operated smoothly at a rate of approximately 1 revolution in 2 s. . Four boards are baked for 20 min at 150 C followed by 17 min at 130 C to simulate the production paint schedule. Th

10、e remaining board is baked for 30 min at 205 C followed by 17 min at 130 C to simulate a potential paint over bake condition. . After the test boards are removed from the oven, they are allowed to cool at room temperature for at least 1 h before any tests are performed. . The break-loose torque is m

11、easure by securing the test board and measuring the torque necessary to induce counterclockwise motion in the studs. Again, the torque wrench should be pulled smoothly at a rate of 1 revolution in 2 s. . After the stud has been turned off 1/4 turn from the starting position, the amount of torque nec

12、essary to keep the stud in motion for the next full revolution is read. The minimum torque reading noted during this first revolution out, when the wrench is operated smoothly at a 1 revolution per 2 s rate is the prevailing torque out. 3.6.1 Prevailing torque in, max 4.5 N.m 3.6.2 Break-Loose torqu

13、e, min 8.5 N.m 3.6.3 Prevailing torque out, min 0.6 N.m 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 PREVAILING TORQUE It should be noted that prevailing torques will vary significantly with hole size and amount of adhesive coating on the stud. Therefore, specific requirements for a particular application should be incorporated in an ES Specification and/or Performance Specification. These requirements should include parameters such as the above-mentioned hole size and coating weight.