1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 10 20 N-STATUS Replaced by global strategy B. Witkowski, NA 2007 02 08 Revised Revised 2., 3.4, 3.9, 3.10, 3.11, 3.12, 3.13, 3.15, 3.16, 3.17, 3.18, 3.19 Inserted 3.0, 3.23, 3.24; Deleted 3.1, 3.2, 3.3, 3.21, 3.22 & 4 W. Janitschke/B. tre
2、cht 1989 06 26 Released SM/EQ5614TP B. Lange Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 6 ADHESIVE, SEALER, SYNTHETIC RUBBER, HOT APPLIED, ESK-M2G299-A1 60 - 70 C, HEAT CURING, MEDIUM STRENGTH ADHESIVE, SEALER, SYNTHETIC RUBBER, HOT APPLIED ESK-M2G299-A2
3、120 - 130 C, NON-REACTIVE ADHESIVE, SEALER, SYNTHETIC RUBBER, HOT APPLIED ESK-M2G299-A3 70 - 80 C, HEAT CURING ADHESIVE, SEALER, SYNTHETIC RUBBER, WARM APPLIED ESK-M2G299-A4 30 - 60 C, HEAT CURING ADHESIVE, SEALER, SYNTHETIC RUBBER, WARM APPLIED ESK-M2G299-A5 60 - 70 C, HEAT CURING ADHESIVE, SEALER,
4、 SYNTHETIC RUBBER, WARM APPLIED ESK-M2G299-A6 60 - 70 C, HEAT CURING, LONG TERM FLEXIBLE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by these specifications are solvent free, spot weldable adhesives/sealers. 2. APPLICATION These specifications were released originally for materials u
5、sed to bond sheet metal body parts. The materials are applicable on oiled surfaces with acceptable oil film weights (European applications limit the oil/pre-lubricant film weight to max 3 g/m, see para. 3.23). Note: Care must be taken to ensure that the local oil film weight in the area of the adhes
6、ive/sealer application does not exceed the critical limit. Monitoring of the film thickness, adequate storage of the part and/or cleaning of the surface prior to sealer/adhesive application is necessary to avoid critical film thickness values, which would then cause malfunction of the sealer/adhesiv
7、e. ESK-M2G299-A1 is used where high shear strength is required, e.g. bonding of hood parts. It cures during the electrocoat baking process at 175 C. ESK-M2G299-A2 is used to bond/seal rear wheelhouse to side panel, roof bow to roof, frame of sliding roof to roof etc. It does not cure. ESK-M2G299-A3
8、is used to bond/seal rear wheelhouse to side panel, roof bow to roof, frame of sliding roof to roof etc. It cures during the electrocoat baking process at 175 C. ESK-M2G299-A4 is used to bond reinforce panel to door panel etc. It cures during electrocoat baking process at 175 C. ESK-M2G299-A5 is use
9、d to bond metal panel into window frame. It cures during electrocoat baking process at 175 C. ENGINEERING MATERIAL SPECIFICATIONESK-M2G299-A1/A6 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 6 ESK-M2G299-A6 is used where high shear strength and long term fle
10、xible properties are required, e.g. bonding of hood parts. It cures during the electrocoat baking process at 175 C. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WS
11、S-M99P1111-A). 3.4 COLOR A1 to A4, A6 Black or grey A5 Beige 3.5 DENSITY AT 20 C, g/cm See Initial Sample (ASTM D 792) Report +/- 0.05 3.6 SOLIDS, %, min 99.0 (FLTM BV 150-10) 3.7 ASH, %, max A1 to A4, A6 47.0 (FLTM BV 150-10) A5 72.0 3.8 PENETRATION, mm (ASTM D 5, 0.483 N total weight force, 5 s dw
12、ell time) A1 A2 A3 A4 A5 A6 3.8.1 Original at 12 - 17 4.0 - 7 9 - 16 10 - 15 14 - 18 19 - 23 20 +/- 2 C 3.8.2 After Ageing 10 - 17 3.5 - 7 8-16 9 - 15 11 - 16 17 - 23 (14 days at 30 +/- 2 C) 3.9 WATER ABSORPTION, max 1% (FLTM BV 153-07 Method A, exception: Cure according to FLTM BV 150-05, Table 2,
13、minimum and maximum cycle, only electrocoat) 3.10 SHEAR ADHESION, N/cm, min Cohesion failure (FLTM BV 154-03, Method B) Prepare test specimens according to section A and para. 3.23 for oiled surfaces, coating thickness 3.0 mm. Cure according to FLTM BV 150-05, Table 2, minimum and maximum cycle. A1
14、A2 A3 A4 A5 A6 3.10.1 At 23 +/- 2 C 80.0 3.0 3.0 20.0 400* 80 3.10.2 At 90 +/- 2 C 40.0 0.5 1.0 10.0 100* 40 3.10.3 At -30 +/- 2 C 80.0 3.0 3.0 20.0 200* 100 *or metal delamination of precoated steel panel ENGINEERING MATERIAL SPECIFICATIONESK-M2G299-A1/A6 Printed copies are uncontrolled Copyright 2
15、009, Ford Global Technologies, LLC Page 3 of 6 3.11 PEEL ADHESION, N/cm, min Cohesion failure (FLTM BV 154-03, Method C) Prepare test specimens according to section A and para. 3.23 for oiled surfaces, coating thickness 3.0 mm. Cure according to FLTM BV 150-05, Table 2, minimum and maximum cycle. A1
16、 A2 A3 A4 A5 A6 3.11.1 At 23 +/- 2 C 80.0 10.0 10.0 25.0 150* 70 3.11.2 At 90 +/- 2 C 70.0 4.0 4.0 15.0 80* 60 3.11.3 At -30 +/- 2 C 250.0 45.0 45.0 45.0 200* 100 *or metal delamination of precoated steel panel 3.12 HARDNESS DUROMETER A 60 - 75 NA 8 5 - 15 80 - 95 60 - 70 (ISO 868, 3 s dwell) Test M
17、ethod: Prepare a test panel (300 x 100 x 0.8 to 0.9 mm) according to paragraph 3.23. Apply a ribbon of test material (250 x 30 x 5 mm) to the test panel. Conditioning: 10 minutes at 23 +/- 2 C Baking: 30 minutes at 175 +/- 2 C Conditioning: 4 h at 23 +/- 2 C 3.13 FLEXIBILITY AFTER AGEING No loss of
18、adhesion and (FLTM BV 153-04, Method 4, no chipping 3b, exceptions noted below) Test panel Dimensions: 300 x 100 x 0.8 - 0.9 mm Conditioning: 2 h at 23 +/- 2 C Test Temperature: -30 h +/- 2 C Mandrel diameter: 100 mm. 3.14 FLAMMABILITY Self extinguishing with 5 s. (FLTM BV 159-02, Method A No corros
19、ion allowed exceptions noted below) Material Thickness: 1.0 - 1.2 mm Immediately after welding separate the welded parts using a test fixture according to FLTM BV 159-01, Fig. 4. ENGINEERING MATERIAL SPECIFICATIONESK-M2G299-A1/A6 Printed copies are uncontrolled Copyright 2009, Ford Global Technologi
20、es, LLC Page 4 of 6 3.15 CORROSION RESISTANCE No corrosion or blistering at the border line sealer/EC/steel The material shall protect the test panel from corrosion. Test Method: (a) Prepare test assemblies according to FLTM BV 159-02, Method A (exception: Test panel preparation according to para. 3
21、.23). Material thickness 1.0 - 1.2 mm. (b) After 2 h at 23 +/- 2 C wash, phosphate and electrocoat test assemblies under defined process conditions according to UC 800. (c) Expose test assemblies according to FLTM BV 150-05, Table 2, min curing cycle and max curing cycle (d1) For Cold Rolled Steel:
22、After 24 h at 23 +/- 2 C expose test assemblies to a salt spray fog according to ASTM B 117 for 480 h. (d2) For Precoated Steel: After 34 h at 23 C +/- 2 C expose test assemblies to a Scab Corrosion Test (FLTM BI 123-01) for 50 cycles. (e) Separate welded assemblies using a test fixture according to
23、 FLTM BV 159-01, Fig. 4 and examine. 3.16 RESISTANCE AGAINST WASH AND No dissolution of material or PHOSPHATING SOLUTION lifting from panel Test Method: Prepare a test panel (300 x 100 x 0.8 - 0.9 mm) according to paragraph 3.23. Apply a ribbon of test material (250 x 30 x 5 mm) to the panel. Condit
24、ion for 2 h at 23 +/- 2 C. Then wash, phosphate and electrocoat the test panel under defined process conditions according to UC 800. 3.17 FLOW RATE No flow permitted (FLTM BV 153-01, Method A, exceptions noted below) Test Method: Prepare panels according to paragraph 3.23. Apply a bead of 8 mm diame
25、ter and bake 30 minutes at 110 +/- 2 C. A1, A2, A3, A6 3.18 WETTING No discoloration or (FLTM BV 153-08, Method A) staining permitted The paint film (paint materials shall be noted in the Initial Sample Report of the adhesive, see also para 5.3) shall cover the sealer with a continuous film. 3.19 VO
26、LUME EXPANSION Volume expansion is not mandatory. It shall be determined with the Initial Sample. ESK-M2G299-A5 0 - 3% ESK-M2G299-A1 and ESK-M2G299-A6 15 - 35% ESK-M2G299-A2 and ESK-M2G299-A3 25 - 40% ESK-M2G299-A4 40 - 80% Structure after baking: If adhesive expands during the curing process, it sh
27、all form a closed skin. Any cellular structure shall be fine without large voids. The volume expansion shall be investigated under both minimum and maximum baking cycles per FLTM BV 150-05, Table 2. ENGINEERING MATERIAL SPECIFICATIONESK-M2G299-A1/A6 Printed copies are uncontrolled Copyright 2009, Fo
28、rd Global Technologies, LLC Page 5 of 6 It is defined as Volume Expansion V2-V1 = - x 100 % V1 Where: V1 = Volume of unbaked adhesive V2 = Volume of baked adhesive 3.20 QUALITY The adhesive shall be a smooth, homogeneous mixture, free from foreign materials. The material must be adaptable for applic
29、ation in accordance with the appropriate Ford Motor Company Process Specification and must be compatible with all related materials. 3.23 OIL COMPATIBILITY & REFERENCE OIL (For Europe) All materials released to this specification must be applicable to oiled surfaces, including corrosion protection o
30、il, wash oils, pre-lubricants, draw oils, hotmelts etc. The approved products for use in Ford of Europe or the European brands are listed in the applicable approved source list (contact materials engineering for details). The supplier must confirm the compatibility of the adhesive/sealer material to
31、 these specific coating materials in the appropriate lab tests listed in para 3 and - prior to vehicle production - in a line trial in cooperation with Ford manufacturing engineering. The lab test panels (see para 3.23.1) must be oiled with maximum permissible oil film thickness. Reference oil for a
32、dhesive performance comparison is Fuchs Anticorit 4107S. Attention: New compatibility tests are necessary if the oil grade of the affected part is changed! Nominal oil film weight is 1 - 1.5 g/m The maximum permissible oil weight for full adhesive performance is 3 g/m Note: All necessary actions mus
33、t be taken to prevent any local oil film weight exceeding 3 g/m in the area of adhesive/sealer application. Critical areas are the lowest positions of parts during transport/storage, e.g. door hem flanges or other oil trapping areas. Unacceptable oil collection will require appropriate storage geome
34、tries (critical areas turned to top) or in-process cleaning operations prior to sealer/adhesive application. 3.23.1 Oiling-Method of Lab Test Panels: 3.23.1.1 Test-Panel Cleaning Clean the test-panel with the lint-free cloth soaked with the solvent n-hexane. Rinse both sides of the test panel with n
35、-hexane until no process traces remain on the surface. Allow to dry at ambient-temperature until the n-hexane has completely evaporated. ENGINEERING MATERIAL SPECIFICATIONESK-M2G299-A1/A6 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 6 of 6 3.23.1.2 Oiling the Te
36、st-Panel Small panels (Tensil, Shear-, Peel-Adhesion): Immediately after air drying, immerse the panel in a 250 ml glass beaker, filled up to 200 ml with a mixture of approx. 10% n-hexane/90% reference oil. Prevent evaporation losses by covering the glass beaker with aluminum foil as airtight as pos
37、sible. After immersion for 1 minute, remove the panel from the glass beaker. Allow the panel to drain in a vertical position at ambient temperature. Other panels (f.ex. Hardness): The cleaned panel should be warmed up for a short time in a heat cabin (for better oil-distribution). Apply some drops o
38、f oil on the panel and distribute them even over the panel with a lint-free cloth. Check the oil-weight. 3.23.1.3 Checking of Oil Coating/Weight A test panel prepared as per 3.23.1.1 is weighed on an analytic scale with a precision of 0,001 g. After oiling weigh again. The oil coating in g/m is deri
39、ved from the weight difference in relation with the panel-dimensions. If the oil-weight deviates approx. +/- 0,3 g/m from the specified oil-weight, the panel can be used. Otherwise oil again or rejust the above mixture. 3.24 LINE TRIAL Materials being evaluated for approval to this specification sha
40、ll be subjected to a production trial. Functional trial results must be approved by the affected assembly operation. Results shall be made available to Materials Engineering prior to material approval and release. 5. GENERAL INFORMATION The information given below is provided for clarification and a
41、ssistance in meeting the requirements of this specification. A1/A2/A3/A5 A4/A6 5.1 STORAGE STABILITY 12 months 6 months The material must be stable during storage in unopened drums out of direct sunlight at temperatures between 5 C and 32 C. 5.2 OPEN ASSEMBLY TIME As specified by the supplier (At th
42、e required operation temperature) Open assembly time is the maximum time interval from initial application of the adhesive to the completion of the part assembly for bonding. 5.3 MATERIAL REFERENCE All related materials used for approval of adhesives according to this specification, e.g. paint materials or metallic substrates, shall be noted in the Initial Sample Report of the adhesive.
