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    FORD WSS-M2G574-A-2015 ADHESIVE HEAT CURING EPOXY TO BE USED WITH FORD WSS-M99P1111-A .pdf

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    FORD WSS-M2G574-A-2015 ADHESIVE HEAT CURING EPOXY TO BE USED WITH FORD WSS-M99P1111-A .pdf

    1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2015 02 03 N Status No replacement L. Sinclair, NA 2007 07 18 Activated R. Cunha Copyright 2015, Ford Global Technologies, LLC Page 1 of 3 ADHESIVE, HEAT CURING, EPOXY WSS-M2G574-A BRAZIL ONLY NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materi

    2、al defined by this specification is a low temperature curing, epoxy, supplied in die cut form. 2. APPLICATION This material was originally released to be used in Brazil. For usage in another plant a local materials engineering activity should be contacted. This material was originally released for m

    3、aterials used only to provide anti leakage. It is not intended to be an appearance item. This material must be applied to e-coat panels. Recommended minimum material bake schedule is 20 minutes at 160 C metal temperature. Prior to the release for a particular application and in addition to the requi

    4、rements specified herein, full evaluation with the assembled part must be ensured by the affected Component Engineering activity. 3. REQUIREMENTS Material specification requirements are to be used for initial qualification of materials. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material sup

    5、pliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.2 DIMENSIONS As specified on the Engineering drawing 3.3 SPECIFIC GRAVITY 1.30 1.60 g/cm3 (ASTM D 792, Method A) 3.4 SOLIDS, min 98 (ASTM D 2834, except heat at 100 +/- 2 C for 3

    6、h in a mechanical convection oven) 3.5 ASH, max 85 (ISO 3491, Method A) 3.6 FLASH POINT, min 205 (ASTM D 1310) ENGINEERING MATERIAL SPECIFICATION WSS-M2G574-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 2 of 3 3.7 WATER TIGHTNESS No water leaks after 1 h Test M

    7、ethod: Use two 75 x 150 mm CRS steel panels. Form one of the panels into the configuration shown in figure 1. Place a 12 x 150 x 1.5 mm strip of material on the 15 mm area of the formed panel. Weld this panel to the flat panel placing one weld at each end (12 mm from the edge). Immerse the entire fi

    8、xture into a 50 C constant temperature water bath for 20 minutes. Remove from bath and bake at material cure schedules per para 5.2. The fixture should remain in an upright position (i.e. funnel end up) during the baking process. After bake, condition at 23 +/- 1 C for 1 h. Seal each end of the funn

    9、el end of the fixture to form a trough. Place fixture in a vise grip, trough side up. Fill the trough with water at 23 +/- 1 C. Aim a 5 mm diameter air nozzle set at 0.2 MPa line pressure into bottom of fixture and make lengthwise passes along bondline for 30 seconds. Hold air nozzle approximately 2

    10、5 mm from bottom of fixture. No air should pass through adhesive material. Allow fixture to sit for 1 h at 23 +/- 1 C while watching for water leaks at bottom of fixture. 3.8 SHEAR ADHESION, min (SAE J1523, material cure per 5.2, substrates per para 5.1) 3.8.1 Normal 6.0 MPa 3.8.2 Aged, MPa 3.5 MPa

    11、Condition for 24 h at 23 +/- 2 C after exposure, then test at 23 +/- 2 C. 3.8.2.1 Two weeks heat age at 90 +/- 2 C. 3.8.2.2 Two weeks humidity age at 38 +/- 1 C and 98 +/- 2% relative humidity. 3.8.2.3 Thermal Cycle - 5 cycles . 4 h at 90 +/- 2 C . 4 h at 38 +/- 1 C and 98 +/- 2% relative humidity .

    12、 16 h at -30 +/- 1 C 3.9 TACK ADHESION The material shall not peel at edges or fall off from panel. Test Method: Apply a 100 x 150 mm adhesive laminate strip to the center of a 300 x 300 mm metal panel of each substrate listed in para 5.1. Pass a 2 kg roller over sample in one forward and one revers

    13、e direction. Invert panels immediately after adhesive application and condition at 23 +/- 2 C for 4 h minimum. Save panels for Inverted Bake test, para 3.10. ENGINEERING MATERIAL SPECIFICATION WSS-M2G574-A Printed copies are uncontrolled Copyright 2007, Ford Global Technologies, LLC Page 3 of 3 3.10

    14、 INVERTED BAKE The material shall not peel at edges or fall off from panel. Test Method: Subject the panels prepared per para 3.9 to an inverted bake at the process bake conditions per para 5.2. Save samples for Cold Slam test, para 3.11. 3.11 COLD ADHESION No cracking, adhesion failure (FLTM BV 101

    15、-02, Procedure E) or loss of material 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 4.1 SUBSTRATES Cold rolled steel as specified on Engineering drawing with panel thickness of 0.8 mm unless otherwis

    16、e specified. Note: If any other steel, f.e. procoated with Zn, Zn/Ni, Duplex, galvanealed, etc. gets relevant for manufacturing, the adhesive has to be tested according to this specification on these substrates. Use current production paints as identified by the appropriate Materials Engineering Activity. 4.2 PROCESS BAKE SCHEDULES 4.2.1 Minimum: 20 minutes at 160 C metal temperature. 4.2.2 Maximum: 60 minutes at 190 C metal temperature.


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