FORD WSB-M2G57-C-2014 ADHESIVE WATER EMULSION LATEX BASE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2014 12 08 N Status No replacement named L. Sinclair, NA 2003 01 22 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.18, 3.19, 4 deleted 1991 03 15 NB00I10043054070 Released A.W. Brownes JBM LWM Page 1 of 4

2、 Copyright 2014, Ford Global Technologies, Inc. ADHESIVE, WATER EMULSION, LATEX BASE WSB-M2G57-C NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a water emulsion, latex base adhesive. 2. APPLICATION This specification was released originally for material used for

3、 adhering convertible top listing to convertible top, deck and quarter assemblies, edge bond cover trim material for the door pull strap and tack bond leather to foam. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Company

4、s Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 VISCOSITY at 23 +/- 2 C (FLTM BU 104-01 except use a Brookfield Viscometer) 3.4.1 As received 1000 - 4000 mPa.s 3.4.2 Aged, max 8000 mPa.s 3.5 SOLIDS, min 58 % (ASTM D 2834, except 100 +/- 2 C in mechanical convection oven, 3 h,

5、save sample for next test) 3.6 ASH, max 5 % Place a crucible containing the solids residue in a cool muffle furnace. Slowly heat to and maintain at 760 +/- 30 C for 1 h. Cool in a desiccator, weigh, and calculate the ash based on the solids weight. 3.7 WEIGHT PER VOLUME 0.899 - 0.947 kg/L (ASTM D 81

6、6) The weight tolerance for any one supplier shall be +/- 0.024 kg/L based on the recorded weight of his original approved production sample. ENGINEERING MATERIAL SPECIFICATION WSB-M2G57-C Page 2 of 4 Copyright 2014, Ford Global Technologies, Inc. 3.8 FOGGING (FLTM BO 116-03) Fog Number, min 60 Form

7、ation of clear film, droplets or crystals is cause for rejection. Fog requirement is for the adhesive system only, not for composites. 3.9 ADHESION REQUIREMENTS FOR CONVERTIBLE TOP & DOOR PULL STRAP ASSEMBLIES 3.9.1 Normal Adhesion (double coat), min . As received 0.65 N/mm width . After 15 minutes

8、cure time 0.65 N/mm width . After 1 h cure time 0.76 N/mm width 3.9.2 Aged Adhesion, min . 1st set after 15 minutes at 23 +/- 2 C 1.09 N/mm width . 2nd set after 1 h at 23 +/- 2 C 1.09 N/mm width . 3rd set after 16 h at 23 +/- 2 C, then condition in a mechanical oven for 14 days at 70 +/- 1 C, cool

9、23 +/- 2 C for 1 h. Test Method: Brush apply the adhesive to the underside of the convertible top material and also to the cotton duck listing reinforcement material over an area 25 x 200 mm. Allow 1 minute “open time“ and combine the two bonding surfaces. Immediately roll once in one direction only

10、 with a 0.9 kg roller. Following each of the conditioning periods, determine the adhesion by exerting a 180 peel of the specimens for a 150 mm length. Mount 22 N maximum load spring scale attachment. Mount the sample in a tensile tester and measure the adhesion strength with a 22 N maximum load spri

11、ng scale attachment and pull at the rate of 300 mm/minute. ENGINEERING MATERIAL SPECIFICATION WSB-M2G57-C Page 3 of 4 Copyright 2014, Ford Global Technologies, Inc. 3.10 ADHESION REQUIREMENTS FOR LEATHER FORM LAMINATE 3.10.1 Ply Adhesion, both directions, min (ASTM D 413, Machine Method) Jaw Speed 3

12、00 +/- 13 mm/minute Sample Size 50 X 200 mm Adhesive Material Extruded bead Test Method: . Extrude a bead of the material down the center of the leather/foam sample size (50 X 200 mm). . A minimum of five test specimens in each direction, must be selected for evaluating. . Test specimen with applied

13、 adhesive bead shall be conditioned for 24 h at 23 +/- 2 C and 50 % relative humidity prior to exposure. Test shall be completed within 4 h after removal from the conditioning environment unless otherwise noted. . The ply adhesion values obtained on all test specimens must exceed the following requi

14、rements: Leather to Leather to Foam Sheeting . Original 1.3 N 1.3 N . Heat Aged 7 days 1.3 N 1.3 N . Steamed * 1.3 N 1.3 N The leather shall not separate cleanly from the foam surface, and the peeled leather specimen shall exhibit foam particles adhering to the peeled surface area. 3.11 SOFTENING PO

15、INT, min 135 C (ASTM D 816) Test Method: A 6.5 cm2 bond area is tested using the convertible top material as the base surface rather than enameled panels. The listing reinforcement is bonded to the base material. After bonding, condition the specimens for 24 h at 23 +/- 2 C, then conduct the test. P

16、repare specimens per FLTM BU 102-01. ENGINEERING MATERIAL SPECIFICATION WSB-M2G57-C Page 4 of 4 Copyright 2014, Ford Global Technologies, Inc. 3.12 STAINING None (FLTM BU 105-01 200 h exposure, except prepare specimens as in para 3.8, omit leather/foam laminate) 3.13 COLD BRITTLENESS No failure at (

17、ASTM D 816, except apply adhesive by brush - 23 C over unfinished side of the convertible top material, omit leather/foam laminate) 3.14 ODOR Shall be free from objectionable or irritating odors, both as received and after storage. 3.15 QUALITY The material shall be a smooth homogeneous mixture, fre

18、e from foreign materials and properties detrimental to normal production use. 3.16 DILUTION When diluted one to one with water, shall not separate after standing 24 h at 23 +/- 2 C. 3.17 FUNCTIONAL APPROVAL Materials being evaluated for initial approval to this specification shall be subjected to a production trial to demonstrate processability as well as functional performance. Functional trial results should be available to Design and Material Engineering prior to material approval and release.