1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 04 24 N Status No usage or replacement N. Benipal, NA 2005 10 13 Revised Inserted 3.0; Deleted 3.1, 3.15, 4 1978 05 08 Released AH4-48 (was XF-M3GX22) Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC P
2、age 1 of 2 TAPE, URETHANE FOAM CLOSED CELL - ACRYLATE ADHESIVE- ESF-M3G122-A SINGLE COATED - PRESSURE SENSITIVE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a closed cell urethane foam coated on one side with an acrylate pressure sensitive adhesive and protect
3、ed with release paper. 2. APPLICATION This specification was released originally for material used as a cushion pad for the battery. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Product
4、ion Materials (WSS-M99P1111-A). 3.2 DENSITY, min 38 lb/ft3 (0.609 g/cm3) (ASTM D 1667) 3.3 TENSILE STRENGTH min 120 psi (827 kPa) (ASTM D 412, Die “C ) 3.3.1 Elongation, min 16% (ASTM D 412, Die “C“) 3.4 HARDNESS, Durometer “A2“ 25-50 3.5 TEAR RESISTANCE, min 22 lb/in (3.85 N/mm) (ASTM D 624, Die “C
5、) 3.6 COMPRESSION SET, max 10% (ASTM D 1556 at 50% deflection) 3.7 COMPRESSION DEFLECTION AT 25%, min 11 psi (76 kPa) (ASTM D 1056) 3.8 PEEL ADHESION, 32 oz/in (0.350 N/mm) width (ASTM D 903) Test Method: Check adhesion to polypropylene panels. If foam fails internally before peeling occurs, the ma
6、x values at the point of internal failure must be at least as great as 30 oz/in (0.328 N/mm) of width, min. ENGINEERING MATERIAL SPECIFICATION ESF-M3G122-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 3.9 AGED PEEL ADHESION, min (ASTM D 903) Test Method: Check adhesion to polypropylene
7、panels. Allow a 4 h recovery at 23 +/- 2 C and 50 +/- 5% relative humidity before checking adhesion. If foam fails internally before peeling occurs, the maximum values at the point of internal failure must be at least as great as 30 oz/in (0.328 N/mm) of width, min. 3.9.1 72 h at 70 +/- 2 C 50 oz/in
8、 (0.547 N/mm) 3.9.2 2 weeks at 88 +/- 2 C 30 oz/in (0.328 N/mm) 3.9.3 2 weeks at 37 +/- 2 C and 40 oz/in (0.438 N/mm) 95-100% relative humidity 3.10 LOW TEMPERATURE FLEXIBILITY Shall not crack or show any evidence of failure Test Method: Samples approximately 6 in (150 mm) in length shall be conditi
9、oned for 16 h at -30 C and shall then be bent 180 around a 1.0 in (25.4 mm) diameter temperature conditioned mandrel. 3.11 OIL RESISTANCE, Volume change, max (ASTM D 1056 22 h at 70 C) 15% 3.12 SULFURIC ACID (H2S04) 30% by 15% Weight Resistance, max (Volume change after 24 h at 23 +/- 2 C) 3.13 FOAM
10、 DETERIORATION No evidence of foam breakdown in (FLTM BO 012- 01) the form of cracking or crumbling Test Method: Samples approximately 6 in (150 mm) i length shall be subjected to the autoclave aging and subsequently bent 180 around a 1/4 in (6.34 mm) diameter mandrel. 3.14 CELL STRUCTURE The material shall have a homogeneous, closed cell structure with no large voids or hard spots.
