1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Ver. 1 2008 08 27 N-STATUS Replaced by WSS-M2P177-B1 G. Weber, FNA 2003 07 31 Revised Para 3.0 inserted; Para 3.6 & 4 deleted 1984 10 05 Released CT01-PF524151 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Pag
2、e 1 of 2 PAINT PERFORMANCE, UNDERBODY ESB-M2P6-C NOT TO BE USED FOR NEW DESIGN 1. SCOPE This specification defines the performance requirements for a painted finish for automotive underbodies. This specification replaces ESB-M2P6-B. 2. APPLICATION This specification was released originally for a fin
3、ish specified where adequate corrosion protection is required and appearance is not a factor. It is specified on underneath areas of fenders, floor pan, rear wheelhouse, engine compartment side of body dash panel and front structure components of unitized vehicles. These areas are normally painted c
4、oncurrently to meet ESB-M2P4. 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 SUBSTRATE Auto body steel 3.2 METAL PREPARATION Zinc Phosphate coat
5、ing per ESB-M3P1. Iron Phosphate, ESB-M3P2 is approved only when the underbody is painted concurrently with ESB-M2P33 Alternate Exterior Specification for Commercial Vehicles. 3.3 DRY FILM THICKNESS, min (FLTM BI 117-01) 3.3.1 Spray Primer Only Facilities 18 m 3.3.2 Conventional Electrocoat Primer 1
6、8 m Facilities 3.3.3 High Build Electrocoat Primer 30 m Facilities Production spray primer not required for wheel openings in cathodic electrocoat plants. In some areas a color coat is optional to obtain uniform color and appearance. 3.4 FILM PROPERTIES 3.4.1 Adhesion No flaking or chipping (FLTM BI
7、 106-01) ENGINEERING MATERIAL SPECIFICATION ESB-M2P6-C Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, Inc. Page 2 of 2 3.5 SALT SPRAY RESISTANCE, min 500 h except shall be 240 h when (FLTM BI 103-01) painted concurrently to the spray primer only portions of ESB-M2P4. Since
8、 it is generally inconvenient to test areas painted under this specification for salt spray, standard laboratory panels may be substituted. The finished panels shall be representative of production for phosphate coating, film thickness and bake. 5. GENERAL INFORMATION The information given below is
9、provided for clarification and assistance in meeting the requirements of this specification. 5.1 MANUFACTURING ENGINEERING REFERENCE 5.1.1 Applicable process Standards Commercial C-700 Lincoln, Continental, Thunderbird C-800 All Others C-200 5.2 MATERIAL REFERENCES Alternate finish coats, all car lines: . ESB-M6J119, ESB-M6J120 Primers. . ESB-M64J19-A Electrocoat Primer . ESB-M64J20-A Electrocoat Primer . ESB-M64J23 High Build Electrocoat Primer
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