1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 02 2012 02 16 N Status No replacement named N. Benipal, NA 2005 08 16 Revised Inserted 3.0; deleted 3.3 and 4 1979 09 11 Released (Was XF-M99JX12) CF4J-RD572213-34 Controlled document at www.MATS Copyright 2012, Ford Global Technologies,
2、LLC Page 1 of 2 ACRYLIC COATING, CONFORMAL ESF-M99J302-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is an acrylic conformal coating which may be cured by air drying or baking. 2. APPLICATION This specification was released originally for material used as a conf
3、ormal coating on the circuit board in the electronic engine control module. 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). 3.1 FOR LOT APPROVAL 3.1.
4、1 Non Volatiles, min 30% (FLTM BI 102-01) 3.1.2 Viscosity at 25 C 275 - 350 cP (mPa.s) (ASTM D 446) 3.1.3 Specific Gravity 0.90 - 1.0 (ASTM D 154 at 25 C) 3.1.4 Drying Time, max Tack free in 2.5 h (2 mil film at 25 C and 50% R.H.) 3.1.5 Flash Point, min 15 C (ASTM D 93 closed) 3.2 TESTS TO BE RUN FO
5、R INITIAL APPROVAL AND AS REQUIRED BY QUALITY CONTROL Tests to be run on 0.032 in (0.81 mm) thick clean CRLC panels dipped and cured 24 h at 25 C. Thickness of coating to be 0.002 - 0.004 in (0.05 - 0.10 mm) 3.2.1 Dielectric Strength 200 vpm (250 kV/mm) (ASTM D 115 - short time) 3.2.2 Heat Resistanc
6、e No blistering, (24 h at 210 C) flaking or loss of adhesion ENGINEERING MATERIAL SPECIFICATION ESF-M99J302-A Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 3.2.3 Salt Spray, min 100 h (ASTM B 117, not scribed) 5. GENERAL INFORMATION The information given below is provided for clarificati
7、on and assistance in meeting the requirements of this specification. 5.1 FLAMMABILITY AND/OR TOXICITY This material represents a potential fire and/or health hazard. The Manufacturing Engineering Department shall notify both the Plant Security and the Safety Units of it presence in the Plant to assure that proper fire and/or health precautions are provided. The location in which it is used or stored shall be included in the notifications.
