1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver. 5 2009 10 20 A1- N-STATUS Replaced by global strategy B. Witkowski, NA 2009 05 22 A6 N-STATUS Replaced by WSS-M2G316-B6 M. Mehandru, FNA 1994 07 08 Released EP00E10422645000 Printed copies are uncontrolled Copyright 2009, Ford Global Tech
2、nologies, LLC Page 1 of 8 ADHESIVE, POLYURETHANE, ONE COMPONENT, STANDARD WSK-M2G379-A1 SHEAR MODULUS, STANDARD FIX NOT TO BE USED FOR NEW DESIGN ADHESIVE, POLYURETHANE, ONE COMPONENT, HIGH SHEAR INACTIVE WSK-M2G379-A2 MODULUS, STANDARD FIX ADHESIVE, POLYURETHANE, ONE COMPONENT, WARM APPLIED INACTIV
3、E WSK-M2G379-A3 MEDIUM SHEAR MODULUS, FAST FIX ADHESIVE, POLYURETHANE, ONE COMPONENT, HIGH SHEAR INACTIVE WSK-M2G379-A4 MODULUS, STANDARD FIX, NON - CONDUCTIVE ADHESIVE, POLYURETHANE, ONE COMPONENT, STANDARD INACTIVE WSK-M2G379-A5 SHEAR MODULUS, STANDARD FIX, FAST CURE ADHESIVE, POLYURETHANE, ONE CO
4、MPONENT, HIGH SHEAR N-STATUS WSK-M2G379-A6 MODULUS, FAST FIX, LOW-CONDUCTIVE, AMBIENT PUMPABLE, WARM APPLIED ADHESIVE, POLYURETHANE, ONE COMPONENT, HIGH SHEAR INACTIVE WSK-M2G379-A7 MODULUS, LOW-CONDUCTIVE, HOT PUMPABLE, HOT APPLIED 1. SCOPE The materials defined by these specifications are one-comp
5、onent moisture curing urethane adhesives with a standard fix behavior (WSK-M2G379-A1, -A5), a fast fix behavior (WSK-M2G379-A3 and A6) due to cooling down to ambient temperature after application, a standard fix and non-conductive behavior (WSK-M2G379-A4), a low-conductive behavior (WSK-M2G379-A6 an
6、d A7) and a high shear modulus after complete curing (WSK-M2G379-A2,A6 and A7). 2. APPLICATION These specifications WSK-M2G379-A1 to -A4 were released originally for materials used for direct bonding of windshields, backlights and quarter windows in connection with adhesion promoter for glass accord
7、ing to WSK-M2G342-A and primer according to WSK-M2G343-A respectively WSK-M2G377-A1 or for bonding painted parts without any adhesion promoter or primer. The specification WSK-M2G379-A5 was released originally for material used for direct bonding of drop window glass to plastic brackets in connectio
8、n with adhesion promoter for glass according to WSK-M2G342-A and primer according to WSK-M2G377-A1 for plastic brackets. The application and assembling temperatures shall be as follows: WSK-M2G379-A1, A2, A4, A5: application at: 30 C, assembling at: ambient temperature ENGINEERING MATERIAL SPECIFICA
9、TIONWSK-M2G379-A1/A7Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 8 WSK-M2G379-A3: application at: 50 - 70 C, assembling at min. 40 C (see para 4.3) WSK-M2G379-A6, A7: application at: 55 - 70 C assembly time within 2 minutes of start of extrusion 3. REQUIREM
10、ENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 MATERIAL PROPERTIES 3.4.1 Color Black 3.4.2 Solids, min (FLTM BV 150-10) WSK-M2G379-A1 95% WSK-M2G379-A2, A3
11、, A5 98% WSK-M2G379-A4 96% WSK-M2G379-A6, A7 95% 3.4.3 Ash, +/- 2% acc. to ISR (FLTM BV 150-10) WSK-M2G379-A6 28.6 +/- 2% WSK-M2G379-A7 22.8 +/- 2% 3.4.4 Viscosity acc. to ISR WSK-M2G379-A1, A2, A4, A5 at 23, 30 C WSK-M2G379-A3 at 40, 60 C WSK-M2G379-A6 5 - 13g/min, 4mm nozzle/ 4 bar at 23 C. WSK-M2
12、G379-A7 Ballan test method, 45 60g/min, 4mm nozzle/4 bar at 55 C All samples shall produce flow diagrams (including viscoelasticy) established by using rotational test equipment as Physica, Haake, Eprecht, Rheometrix, Mettler/Contraves etc. to identify specific characteristic of material. Flow diagr
13、ams and all parameters of measurement and used equipment shall be added to the report. ENGINEERING MATERIAL SPECIFICATIONWSK-M2G379-A1/A7Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 3 of 8 3.4.5 Density at 23 C, kg/l, +/- 0.05 acc. to ISR (ASTM D 1475, uncured m
14、aterial) 3.4.6 Resistance to Sagging, Flow, No flow/sagging blistering blisters or other deterious effects. Test Method: . Apply to 150 x 150 x 0.8 mm test panels prepared according to FLTM BI 103-02, B, centrally a bead of test material 100 in length, triangle form, 8 mm base, 10 mm height. . Mount
15、 test specimen vertically in a fixture with the long axis of the adhesive bead in horizontal position (see Fig. 3). . Immediately after application expose test assembly for 20 minutes in a mechanically convected air dry oven maintained at 110 +/- 2 C. . Investigate for failures. 3.4.7 Tack-Free Time
16、, minutes WSK-M2G379-A1, A2: 20 - 30 WSK-M2G379-A3, A4: 10 - 20 WSK-M2G379-A5: 7 - 13 WSK-M2G379-A6, A7 15 45 minutes Test Method: . Apply a 6 x 150 mm diameter bead on a metal panel and store at 23 +/- 2 C and 50 +/- 5 % relative humidity. . Tack-free time to be evaluated by light finger touch (dry
17、 and clean finger). . Record time, when no black marks will stay at the finger. 3.4.8 Cure Rate, mm per 24 h, +/- 25% a) 3.5 b) 4.5 c) 2.5 d) 2.0 ENGINEERING MATERIAL SPECIFICATIONWSK-M2G379-A1/A7Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 4 of 8 Test Method: .
18、 Apply material under test into the test segment of shaping block (see Fig. 1) and store: a) at 23 +/- 2 C and 50 +/- 5 % relative humidity, b) at 30 +/- 2 C and 50 +/- 5 % relative humidity, c) at 15 +/- 2 C and 50 +/- 5 % relative humidity, and d) at 15 +/- 2 C and 20 +/- 5 % relative humidity. .
19、Evaluate curing rate within 24 hours depending on material thickness at different curing conditions by recording curing length starting from the end of thickness 10 x E8 ohm cm. ENGINEERING MATERIAL SPECIFICATIONWSK-M2G379-A1/A7Printed copies are uncontrolled Copyright 2009, Ford Global Technologies
20、, LLC Page 6 of 8 3.5 QUALITY The material shall be of uniform quality, free from foreign materials and properties detrimental to normal production use, shall not cause excessive soiling of handlers in normal production use. 3.6 CURED MATERIAL PERFORMANCE PROPERTIES WSK-M2G379-A1 to A4: Parts and/or
21、 test samples prepared with materials according to these specifications shall meet all requirements of performance specifications WSK-M11P57-A1, -A2, -A3, -A4. WSK-M2G379-A5: Parts and/or test samples prepared with materials according to these specifications shall meet all requirements of performanc
22、e specifications. WSK-M11P57-A1, except clauses 3.5.3, 3.5.4, 3.7 and 3.8. Substrates for test samples are glass without ceramic and plastic according to Engineering Drawing. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements o
23、f these specifications. 5.1 SENSITIVITY TO ALCOHOL Caution - Slight traces of alcohol will inhibit the cure of this adhesive. The use of alcohol containing solvents is prohibited for clean up or other uses. 5.2 OPEN TIME, minutes, +/- 25% WSK-M2G379-A1, A2 20 WSK-M2G379-A3, A6, A7 2.5 WSK-M2G379-A4
24、10 WSK-M2G379-A5 3 Time between application of adhesive and assembling of parts should not exceed the time specified above. 5.3 TEMPERATURE FOR ASSEMBLING PARTS As proposed by supplier (see Clause 2) 5.4 RELATED MATERIALS 5.4.1 Adhesive, Promoter, WSK-M2G342-A if necessary (see ASL or Engineering Dr
25、awing). 5.4.2 Glass Primer, Polyurethane WSK-M2G343-A respectively WSK-M2G377-A1 (see ASL or Engineering Drawing) ENGINEERING MATERIAL SPECIFICATIONWSK-M2G379-A1/A7Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 7 of 8 ENGINEERING MATERIAL SPECIFICATIONWSK-M2G379-A1/A7Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 8 of 8
