1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 0 2015 05 19 Released D. Murtonen, NA Controlled document at www.MATS Copyright 2015, Ford Global Technologies, LLC Page 1 of 2 ADHESIVE, THERMOPLASTIC HOT MELT FOR HEADLINERS WSS-M2G39-A1 1. SCOPE The material defined by this specificat
2、ion is a poly alpha olefin thermoplastic hot melt adhesive to be used in Headliner Assembly. 2. APPLICATION This specification was released originally for thermoplastic hot melt adhesive used for automotive headliner trim application for the Ford Petersburg, Russia Assembly plant. 2.1 LIMITATIONS Fu
3、nctional testing must be completed when the assembly location has an atmospheric environment of humidity above 75% and temperature above 45C. 3. REQUIREMENTS In addition to the requirements listed herein, this material shall meet all requirements of the WSS-M11P62-A/(latest) Adhesive, Interior Perfo
4、rmance specification. Fully finished, unitized formed headlining assembly must also meet WSS-M15P27-F, Performance, Headlining, Formed specification. 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Produc
5、tion Materials (WSS-M99P1111-A). 3.2 APPEARANCE Color Amber 3.3 COMPOSITION 100 % Solids 3.3 DENSITY 0.86 0.90 g/m3 (ASTM D 792) 3.3 SOFTENING POINT 155 159 C (DSC) 3.4 VISCOSITY at 177 C 26,000 36,000 mPa sec (ASTM D 3236) at 191 C 15,000 21,000 mPa sec at 204 C 10,000 14,000 mPa sec 3.5 TENSILE ST
6、RENGTH 25.5 Kgf/cm2 (ASTM D 1708 Ramp: 150 mm/min) 3.6 OPEN TIME 20 40 sec (ASTM D 4497 6.35 mm bead) ENGINEERING MATERIAL SPECIFICATION WSS-M2G39-A1 Copyright 2015, Ford Global Technologies, LLC Page 2 of 2 3.7 POT STABILITY (ASTM D 4499) Viscosity at191C after Heat Aging at 191C for 48 hr., 18,000
7、 24,000 mPa.sec 3.6 PERFORMANCE PROPERTIES The material shall be of uniform quality, free from foreign materials and properties detrimental to normal production use. 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications.
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