1、 ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions 2015 02 03 N Status No replacement named L. Sinclair, NA 2003 02 28 Revised Para 3.0 inserted; Para 3.1, 3.2, 3.3, 3.11, 3.12, 4 deleted 1992 02 19 NB00I10043054159 Released D. Henrickson B. Ferns L. Moriart
2、y Page 1 of 2 Copyright 2015, Ford Global Technologies, Inc. ADHESIVE, TWO COMPONENT, URETHANE, WATER BASE WSB-M2G358-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The materials defined by this specification are the separate parts of a two component, urethane, water based heat seal adhesive. Part A is a
3、water based urethane resin. Part B is a solution of a polymeric isocyanate in solvent. 2. APPLICATION This specification was released originally for materials used to bond vinyl and vinyl/ABS cover materials to rigid substrates (ABS or fiberboard) in vacuum forming/heat bonding applications. Materia
4、ls meeting this specification do not guarantee that the adhesive will function for all potential applications on a vehicle. The specific design condition, including high temperature performance, should be evaluated by a plant trial or laboratory simulation prior to release of the material. 3. REQUIR
5、EMENTS 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 PHYSICAL PROPERTIES 3.4.1 Color Part A Blue Part B Clear 3.4.2 Viscosity at 25 +/- 2 C Part A 4,500 - 5,50
6、0 mPa.s (FLTM BU 104-01 except a Brookfield Viscometer Part B 25 - 75 mPa.s Spindle # 3 for A, #1 for B) 3.4.3 Solids, min Part A 38 % (ASTM D 2834, except heat Part B 59 % at 100 +/- 2 C in a mechanical convection oven for 3 h) ENGINEERING MATERIAL SPECIFICATION WSB-M2G358-A Page 2 of 2 Copyright 2
7、015, Ford Global Technologies, Inc. 3.4.4 Weight Per Volume Part A 1.0 - 1.1 kg/L (ASTM D 1817) Part B 1.0 - 1.1 kg/L 3.5 FOGGING, min (FLTM BO 116-03) Fog Number, min 60 Formation of clear film, droplets or crystals is cause for rejection. 3.6 BOND STRENGTH, min (FLTM BN 113-01) 3.6.1 Original 701
8、N/m 3.6.2 Heat aged 526 N/m 3.7 ODOR, max Rating 2 (SAE J1351) 3.8 QUALITY The material shall be smooth homogeneous mixture, free from foreign materials and properties detrimental to normal production use. 3.9 STORAGE STABILITY (From date of receipt at Part A 3 months Ford Motor Company) Part B 2 mo
9、nths During the storage at ambient temperatures between 5 and 32 C in sealed unopened containers, out of direct sunlight the material as supplied shall not liver and must be free from settling. 3.10 FUNCTIONAL APPROVAL Materials being evaluated for approval to this specification shall be subjected to a production trial. Functional trial results must be approved by the affected assembly operation and Design Engineering. Results shall be made available to Materials Engineering prior to material approval and release.
