1、ENGINEERING MATERIAL SPECIFICATION Material Name Specification Number Date Action Revisions2003 01 21 Revised Para 3.0 inserted ; Para 3.1, 3.2, 3.3, 3.9, 3.10, 4 deleted 1990 09 03 EP00E01031539000 Released W. Scholz Con. J. Schult Printed copies are uncontrolled Page 1 of 5 Copyright 2002, Ford Gl
2、obal Technologies, Inc. ADHESIVE, POLYURETHANE, TWO COMPONENT, SOLVENT WSK-M2G322-B1 BORNE, BASE MATERIAL ADHESIVE, POLYURETHANE, TWO COMPONENT, SOLVENT WSK-M2G322-B2 BORNE, HARDENER ADHESIVE, POLYURETHANE, TWO COMPONENT, SOLVENT WSK-M2G322-B3 BORNE, HARDENER, BLACK 1. SCOPEThe materials defined by
3、these specifications are solvent borne, two component polyurethanebased adhesives, which can be heat reactivated up to two hours after application andconditioning at 23 +/- 2 C.2. APPLICATIONThese specifications were released originally for materials used to bond expanded PVC foil toABS finished par
4、ts and to resinated fibre board by heat activation and pressure.3. REQUIREMENTS3.0 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 COMPONENT PROPERTIES, BASE MATERIA
5、L WSK-M2G322-B1 3.4.1 Color Colorless or as specifed nEngineering Drawing 3.4.2 Solids, min 14 % (FLTM BV 150-10) 3.4.3 Ash, max 0.5 % (FLTM BV 150-10) 3.4.4 Weight per Volume 0.83 +/- 0.05 kg/L (ASTM D 816) NOT TO BE USED FOR NEW DESIGN2015 01 07 N Status No replacement named L. Sinclair, NAENGINEE
6、RING MATERIAL SPECIFICATION WSK-M2G322-B1/B2/B3 Page 2 of 5 Copyright 2002, Ford Global Technologies, Inc. 3.4.5 Viscosity 350 +/- 50 mPa.s (ASTM D 1824, Brookfield RVT/D, Spindle No. 2, 50 rpm) 3.5 COMPONENT PROPERTIES, WSK-M2G322-B2 WSK-M2G322-B3 HARDENER 3.5.1 Color As specified on Black or as sp
7、ecified Engineering on Engineering Drawing Drawing 3.5.2 Solids, min 33 % 21 % (FLTM BV 150-10) 3.5.3 Ash, max 0.15 % 0.15 % (FLTM BV 150-10) 3.5.4 Weight per Volume, kg/L 1.01 +/- 0.05 0.95 +/- 0.05 (ASTM D 816) 3.5.5 Viscosity, mPa.s 25 +/- 20 Water-like (ASTM D 1824, Brookfield RVT/D, Spindle No.
8、 2, 50 rpm) 3.6 CURED ADHESIVE PHYSICAL PROPERTIES (FLTM BU 151-01, Method B1, Fig 6, Peel Adhesion of Mixed Components) 3.6.1 Preparation of Test Specimen Apply adhesive on ABS panels and smooth side of resinated fiber board panels at a wet film thickness of approximately 0.2 mm. Condition specimen
9、 at an air temperature of 40 +/- 2 C for 5 minutes. Expose expanded PVC sheetings and specimens prepared as described above in an air dry oven at 90 +/- 2 C for 1 minute. While still in the oven assemble the PVC sheeting specimens with both ABS and resinated fibre board panels and firmly press toget
10、her with a pressure of 0.3 - 0.5 MPa. 3.6.2 Initial Peel Adhesion (10 minutes after assembling) Measured at 23 +/- 2 C, min 1 N/mm or break of substrate ENGINEERING MATERIAL SPECIFICATION WSK-M2G322-B1/B2/B3 Page 3 of 5 Copyright 2002, Ford Global Technologies, Inc. 3.6.3 Original Peel Adhesion (72
11、h after assembling) 3.6.3.1 Measured at 23 +/- 2 C, min 1 N/mm or break substrate 3.6.3.2 Measured at 90 +/- 2 C * Maximum loss based on the original value None Cohesion failure preferred but not mandatory. 3.6.3.3 Measured at - 20 +/- 2 C * Maximum loss based on the original value None * Samples sh
12、all be conditioned for a minimum of 30 minutes at the test temperature before measurement. 3.6.4 After Aging 3.6.4.1 Heat Aging Maximum loss based on the 20 % on fibre board original value 60 % on ABS 14 d at 70 +/- 2 C and 1 h at 23 +/- 2 C Cohesion failure preferred but not mandatory. 3.6.4.2 Humi
13、dity Aging Maximum loss based on the original value None 14 d 15 38 +/- 2 C and 98 % R.H., 1 h at 23 +/- 2 C 3.6.4.3 Environmental Cycling Maximum loss based on the original value 20 % Specimens are exposed to 5 cycles of the following sequence: 16 h at 38 +/- 2 C and 98 +/- 2 % R.H. 4 h at - 40 +/-
14、 2 C 4 h at 90 +/- 2 C 3.6.4.4 Repair Oven Stability, min 1 N/mm ENGINEERING MATERIAL SPECIFICATION WSK-M2G322-B1/B2/B3 Page 4 of 5 Copyright 2002, Ford Global Technologies, Inc. 30 minutes at 120 +/- 2 C, 1 h at 23 +/- 2 C 3.6.5 Staining (FLTM BO 115-01) Prepare specimen according to 3.4.1. Expose
15、specimen together with a non-bonded part of PVC foil for 96 h to the Fluorescent Sunlamp Cabinet. Staining shall not be more severe than on the untreated PVC foil. 3.7 STORAGE STABILITY 4 months (From date of receipt at Ford Motor Company) When stored in sealed unopened containers out of direct sunl
16、ight at ambient temperatures between 5 and 32 C. If necessary, heat the materials up to 23 +/- 2 C before use. 3.8 QUALITY The material shall be a smooth homogeneous mixture, free from foreign materials and properties detrimental to normal production use. The material must be capable of regaining it
17、s initial physical characteristics and performance after recirculation or agitation prior to use. 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of these specifications: WSK-M2G322-B1 WSK-M2G322-B2/B3 5.1 MIXING RATIO (By w
18、eight) 100 parts 8 - 10 parts 5.2 SENSITIVITY TO WATER Slight traces of humidity will inhibit the cure of the adhesive. Close the container immediately after removal of the material as well as the container of the mixing apparatus after filling. The compressed air used for the mixing apparatus must
19、be dry. 5.3 FLASH POINT Below 21 C (ASTM D 56) ENGINEERING MATERIAL SPECIFICATION WSK-M2G322-B1/B2/B3 Page 5 of 5 Copyright 2002, Ford Global Technologies, Inc. 5.4 PREDRYING Predrying of adhesive below 70 % relative humidity at 23 +/- 2 C within 2 h. Accelerated predrying is possible at temperature
20、s up to 40 C within approximately 5 minutes. 5.5 HEAT ACTIVATION TIME Heat activation of the adhesive is possible up to 2 h after application. Optimum activation temperature (temperature of adhesive) is 60 - 70 C. 5.6 REPAIR OVEN RESISTANCE Bonded parts should not pass the repair oven before the end of 5 h storage after bonding. 5.7 COATING WEIGHT, wet 150 - 200 g/m25.8 POT LIFE AT 23 +/- 2 C, min 12 h (Containers of production quantity)
