1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 01 30 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 4; Corrected numbering 3.4 1993 08 02 Revised EPOOE10258823000 Renumbered 3.6 W. Scholz 1992 07 01 Released EPOOE10176272000 C. Dittebrandt Printed copies are uncontrolled Copyright
2、2006, Ford Global Technologies, LLC Page 1 of 3 TAPE, ADHESIVE, PRESSURE SENSITIVE, TWO SIDED, WSK-M3G202-A1 SYNTHETIC RUBBER, INTERIOR, 0.13 MM NOMINAL THICKNESS TAPE, ADHESIVE, PRESSURE SENSITIVE, TWO SIDED, WSK-M3G202-A2 SYNTHETIC RUBBER, INTERIOR, 0.09 MM NOMINAL THICKNESS 1. SCOPE The materials
3、 defined by these specifications are two sided pressure sensitive transparent tapes with high initial tack. One side of the tapes is covered with a release paper. 2. APPLICATION These specifications were released originally for materials used as an assembly aid to temporarily fix plastic parts to st
4、eel or painted substrates. Prior to the release for a particular application and in addition to the requirements specified within these specifications, full evaluation as a component of specific trim products must be tested by the responsible Component Engineering activity on substrates intended for
5、 use in the final application. 3. REQUIREMENTS 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 Colorless transparent 3.4.2 Thickn
6、ess (ASTM D 1000, without release paper) WSK-M3G202-A1 0.09 - 0.16 mm WSK-M3G202-A2 0.07 - 0.11 mm 3.4.3 Width See 5.3 3.4.4 Breaking Strength (ASTM D 1000) WSK-M3G202-A1, min 400 N/m WSK-M3G202-A2, min 400 N/m 3.4.5 Elongation (ASTM D 1000) WSK-M3G202-A1, min 5% WSK-M3G202-A2, min 2.5% ENGINEERING
7、MATERIAL SPECIFICATIONWSK-M3G202-A1/A2Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 2 of 3 3.5 PREPARATION OF TEST SPECIMENS Steel panels, painted with current production enamel according to respective paint specification if not otherwise specified. Test specimen
8、s shall be wiped with isopropanol/water (1:1) and dry wiped with a lint free tissue soaked with n-heptane prior to applying the tape or as recommended by supplier. Usage of a primer shall be noted in the Initial Sample Report. 3.6 ADHESION PROPERTIES 3.6.1 Peel Adhesion (ASTM D 1000, clause 40 -42)
9、Prior to testing cover unlined side of the tape with a polyester film of approx. 0.04 mm thickness to avoid elongation during testing. WSK-M3G202-A1, min 400 N/m WSK-M3G202-A2, min 130 N/m 10 minutes after bonding. 3.6.2 Shear Strength, min 0.2 N/mm2(FLTM BU 151-01, Method A, Fig.2) Age 2 h at 23 +/
10、- 2 C Prior to testing cover the unlined side of the tape with a polyester film of approx. 0.1 mm thickness. 3.6.3 Softening Point, min 50 C (ASTM D 816) Prepare test specimens according to clause 3.10. Maintain oven temperature at 30 C for 15 minutes, then increase temperature in steps of 2.5 C/5 m
11、inutes until bond failure. 3.6.4 Liner Removal, max 30 N/m (ASTM D 1000, Method A) 3.7 FOGGING (FLTM BO 116-03) Fog Number, min 60 Perform the test with the tape between aluminum foils or steel panels. 3.8 FLAMMABILITY (ISO 3795/SAE J369) Burn Rate, max 100 mm/minute Perform the test with the tape b
12、etween aluminum foils or steel panels. ENGINEERING MATERIAL SPECIFICATIONWSK-M3G202-A1/A2Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 3 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requiremen
13、ts of this specification. 5.1 STORAGE STABILITY 6 months (From date of receipt at Ford Motor Company) 5.2 STORAGE TEMPERATURE 10 C to 28 C 5.3 WIDTH OF TAPE - SECOND SUFFIX The width of tape shall be identified by an additional suffix to the specification number as follows: Suffix for width 09 9 mm 12 12 mm 15 15 mm 19 19 mm 25 25 mm
