1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2006 02 08 Revised Inserted 3.0; Deleted 3.1, 3.2, 3.3, 3.9, 3.10, 3.11, 4 1995 08 07 Activated W. Curtiss G. Molnar Printed copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 1 of 4 TAPE, ELASTOMERIC, PRESSURE SENSITIV
2、E WSB-M3G210-A 1. SCOPE The material defined by this specification is an elastomeric (butyl) extruded, pressure sensitive tape. The adhesive surface is protected on one side with a removable release liner. 2. APPLICATION This material was released originally for material used to aid in retention of
3、EPDM weatherstrips to painted body surfaces. The tape shall be used in conjunction with mechanical retention. The tape may also be used where adhesion to non-polar surfaces is required. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conf
4、orm to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.4 TAPE DIMENSIONS As specified on the Engineering Drawing 3.5 PHYSICAL TAPE REQUIREMENTS Tests shall be conducted on material having an original thickness of 1.15 +/- 0.15 mm. 3.5.1 Density (ASTM D 1564) The densi
5、ty tolerance for any one supplier shall be +/- 10%, based on the recorded density of their original approved production sample. 3.5.2 Cone Penetration (ASTM D 217, 150 g load) Test Method: Ply tape to achieve a 13 mm thick sample. The cone penetration tolerance for any one supplier shall be +/- 10 d
6、mm, based on the recorded cone penetration of their original approved production sample. 3.5.3 Tensile Strength, min (ASTM D 412, Die “C“) As Received 50 kPa Aged 70 h at 100 +/- 2 C 120 kPa ENGINEERING MATERIAL SPECIFICATIONWSB-M3G210-APrinted copies are uncontrolled Copyright 2006, Ford Global Tec
7、hnologies, LLC Page 2 of 4 3.5.4 Elongation, min (ASTM D 412, Die “C“) As Received 800% Aged 70 h at 100 +/- 2 C 800% 3.6 TAPE ADHESION REQUIREMENTS Tests shall be conducted on material having an original thickness of 1.15 +/- 0.15 mm. 3.6.1 Peel Adhesion, min 1.5 N/mm width (FLTM BU 112-02, Method
8、A) Aged 3 d at 23 +/- 2 C Aged 7 d at 70 +/- 2 C 5 cycles consisting of: 8 h at 90 +/- 2 C 16 h at - 40 +/- 2 C 8 h at 38 +/- 2 C and 98 +/- 2% R.H. 16 h at -40 +/- 2 C Prepare three specimens using painted steel substrates per para 5.1. Condition the assemblies for 72 h at 23 +/- 2 C prior to expos
9、ure. Condition for 1 to 4 h at 23 +/- 2 C after exposure. 3.6.2 Liner Removal, max (ASTM D 1000 with exceptions below) As Received 1.0 N/mm 1 h at 54 C 1.0 N/mm ASTM D 1000, except apply the unlined adhesive side of the tape to a clean metal panel with light finger contact and no added roller weight
10、 Measure the force required to peel the liner from the tape. 3.6.3 Holding Power, min (FLTM BU 101-06, Method B) At 23 C 100 h At 90 C 100 h Prepare 2 enamel/enamel plate 645 mm2overlap shear test specimens. After conditioning for 24 h, hang 1 test specimen vertically at 23 C and one at 90 C. Gentl
11、y attach 250 g weights to both specimens. Both bonded assemblies must support 250 g weights for the specified time. 3.6.4 Heat Resistance, max displacement 1.5 mm Prepare 3 enamel/enamel plate 645 m2overlap shear test specimens as described in para 3.6.3. After conditioning for 1 h at 23 +/- 2 C, at
12、tach a 100 g weight to one end of the test specimen and hang it vertically in a mechanical convection oven at 120 +/- 2 C for 30 minutes. Allow the specimen to cool to 23 +/- 2 C and determine whether any displacement from the original bonded position has occurred. ENGINEERING MATERIAL SPECIFICATION
13、WSB-M3G210-APrinted copies are uncontrolled Copyright 2006, Ford Global Technologies, LLC Page 3 of 4 3.7 ADHESION STRENGTH, min Breakaway 2.8 N/mm width (FLTM BU 112-02, Method C) Continuous 1.0 N/mm width The samples shall meet the adhesion requirements as received and after sample exposure condit
14、ions. Samples must be preconditioned for 72 h at 23 +/- 2 C prior to environmental exposure and tested between 1 and 4 hours after removal from exposure conditions, unless otherwise noted. Expose duplicate samples to each of the following conditions: Room Temperature Aging, min (Do not precondition
15、for 72 h) 1 h 72 h Heat Aging, min 2 weeks at 90 +/- 2 C Humidity, min 2 weeks at 38 +/- 2 C and 98 +/- 2% R.H. Water Immersion, min (FLTM BI 104-01, 240 h) Salt Spray, min (ASTM B 117, 500 h) Cycle Test, min 5 cycles consisting of: 8 h at 90 +/- 2 C 16 h at -40 +/- 2 C 8 hours at 38 +/- 2 C and 98
16、/- 2% R.H. 16 h at -40 +/- 2 C Paint Repair Oven, min (30 minutes at 120 +/- 2 C) Weathering Resistance, min (SAE J1960, 2000 h) Florida Exposure, min (SAE J1976, 2 years. This exposure applies to initial source approvals only) Arizona Exposure, min (SAE J1976, 2 years. This exposure applies to ini
17、tial source approval only) 3.8 STORAGE STABILITY The unwind, pull, and ease of the liner backing removal measured by hand peel examination shall not change appreciably after 12 months storage at temperature between 32 - 48 C. ENGINEERING MATERIAL SPECIFICATIONWSB-M3G210-APrinted copies are uncontrol
18、led Copyright 2006, Ford Global Technologies, LLC Page 4 of 4 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 MATERIAL REFERENCES FOR TEST PANELS Enameled Steel - Current paints used for specificat
19、ion development prepared as required in each individual paint specification, para 3.3: ESB-M33J3A1-A5 Tape application to substrates not specified herein is permitted provided all specification requirements are met. 5.2 TEST BAR PREPARATION FOR PERFORMANCE REQUIREMENTS (Test bars described in FLTM B
20、U 112-02, Method C) Apply primer (Norton Tite-R-Bond, No. 2287 or equivalent) to the 12.7 mm side of test bar. Allow to dry for 5 minutes. Apply the non-liner side of tape to primer coated side of the test bar. Roll as described in FLTM BU 112-02, Method C. 5.3 COLOR - Originally Released Black 5.4 DENSITY - Originally Released 1.1 g/mm3
