1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions 2012 09 26 N-STATUS Approved sources are inactive A. Wedepohl, NA 2006 02 15 Revised Inserted 3.0; Deleted 3.5 and 4 1983 04 12 Released (Was XF-M9GX2) CF4N-RD887294-25 Controlled document at www.MATS Copyright 2012, Ford Global Technologies,
2、 LLC Page 1 of 1 WAX, LIQUID, PROTECTIVE NOT FOR NEW DESIGN ESF-M9G30-A 1. SCOPE The material defined by this specification is a suitably compounded blend of acrylic resin and solvent release wax. 2. APPLICATION This specification was released originally for material used to coat Printed Wiring (PW)
3、 boards for protection. 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 The material must apply easily and smoothly and release the solvent in a
4、timely manner. It shall readily cover and adhere to the PW board satisfactorily and uniformly and have no adverse affect on the assembly for its intended purpose of protecting against dust, dirt and moisture. 3.2 NON-VOLATLES, min Acrylic, 14% (24 h at 105 C) 3.3 SOLVENT CONTENT, max 85% (Infrared Analysis) 3.4 FLASH POINT, min 12 C (Closed Cup)