1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2005 09 26 Revised Inserted 3.0; Deleted 3.1, 3.12, 4 1978 04 25 Metricated, Renumbered & Retyped CAH1-RD572066-17 1967 06 12 Released AW1 #1033 Printed copies are uncontrolled Copyright 2005, Ford Global Technologies, LLC Page 1 of 2 TAPE, AL
2、UMINUM FOIL - PRESSURE SENSITIVE ESB-M3G75-A 1. SCOPE The material defined by this specification is a dead soft aluminum foil with a pressure sensitive backing. 2. APPLICATION This specification was released originally for material used to prevent the entry of moisture and dirt into body interiors t
3、hrough holes or joints that are not visible after final assembly. This material is not recommended for use on areas where bimetallic corrosion and subsequent premature failure of the barrier is of importance. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and p
4、art producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 CONSTRUCTION Shall consist of an aluminum film having a pressure sensitive adhesive on one side. 3.3 COLOR Aluminum 3.4 THICKNESS, Total, min 0.005 in (0.13 mm) 3.5 WIDTH, Tolerance +/- 1/
5、32 in (0.8 mm) As specified on engineering drawing 3.6 MOISTURE VAPOR TRANSMISSION RATE, max 0.2 g/100 in2/70 h (FLTM BU 001-01) (0.2 g/645 cm2/70 h) 3.7 WATER PENETRATION RATE, max 0.5 g/100 in2/ 24 h (FLTM BU 001-02) (0.5 g/645 cm2/24 h) 3.8 ADHESION STRENGTH, avg 4 tests 3.8.1 Breaking Strength,
6、min 25 lb/in (4.4 N/mm) width (ASTM D 1000) 3.8.2 Adhesion to Steel, min 40 oz/in (438 N/m) width (ASTM D 1000) Aged for 1 week at 66 C, min 60 oz/in (657 N/m) width 3.8.3 Adhesion to Own Backing 20 oz/in (219 N/m) width (ASTM D 1000) ENGINEERING MATERIAL SPECIFICATIONESB-M3G75-APrinted copies are u
7、ncontrolled Copyright 2005, Ford Global Technologies, LLC Page 2 of 2 3.8.4 Adhesion to Phosphated Steel, min 40 oz/in (438 N/m) width (ASTM D 1000) 3.8.5 Adhesion to Painted Steel, min 20 oz/in (219 N/m) width (ASTM D 1000) 3.9 CYCLE TEST Tape shall be applied to a clean steel panel, a phosphated s
8、teel panel, and a painted steel panel. The assembled samples shall be cycled as follows: 24 h at 80 +/- 3 C 24 h at 38 +/- 3 C and 98 +/- 2% relative humidity 24 h at -29 +/- 1 C After 2 cycles plus an additional week at 80 +/- 3 C, there shall be no indication of staining, fogging, loss of adhesion
9、 or curling. 3.10 MIGRATION STAIN None Test Method: The tape shall be applied to steel panels as listed below per FLTM BI 103-02, Method “C“ using primer ESB-M6J49 and enamel ESB-M32J100 (1619A) and subjected to 96 h in the Fluorescent Sunlight cabinet described in FLTM BO 115-01. 3.10.1 Preparation
10、 of Test Panels Apply tape to phosphated panel, then prime and top coat. Apply tape to primed surface then apply top coat. Apply tape to surface of a finished panel which has been phosphated, primed and top coated. 3.11 PAINTING Panels prepared according to 3.10.1 shall meet the following requiremen
11、ts. 3.11.1 Adhesion No flaking or chipping (FLTM BI 106-01) 3.11.2 Salt Spray, min 240 h (FLTM BI 103-01) No failure by blistering, rusting or more than 1/8 in (3.2 mm) rust or blister creepage from a line scribed to the bare steel on panels prepared according to para. 3.10.1 3.11.3 Humidity Resistance, min 240 h (FLTM BI 104-02, Procedure “A“) No paint blistering, peeling, or loss of adhesion.
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