1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev 03 2012 04 05 N Status No usage or replacement N. Benipal, NA 2004 03 25 Revised Para 3.0 inserted; paras 3.13 and 4 deleted 1973 09 14 Released CW2C-750007-2 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC P
2、age 1 of 2 RUST PREVENTIVE, WATER DISPLACING - SOLVENT ESA-M7C50-A DISPERSED TYPE NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a solvent cut-back type rust preventive compound for part time protection during storage and shipment of ferrous metal parts. 2. APPL
3、ICATION This specification was released originally for material used to coat bearing cups in rotors and hub and drum assemblies for passenger car front wheels. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standa
4、rd Requirements For Production Materials (WSS-M99P1111-A). 3.1 APPLICATION OF CHARACTERISTICS This material shall be suitable for application by means of brush, dip or spray at room temperature and shall be readily removable by conventional cleaning methods. 3.2 COMPOSITION This material is essentia
5、lly a prepared compound of fats and mineral oils and reduced with hydrocarbon solvents such as Stoddard Solvent, Special Spirits and Kerosene. 3.3 REDUCTION The proportion of reduction will vary depending upon the particular application; however, for part time protection a reduction of three or four
6、 parts of solvent to one part of compound is satisfactory. 3.4 SPECIFIC GRAVITY, min 0.876 (ASTM D 1298) 3.5 VISCOSITY AT 37.8 C, cSt (mm2/s) 7.36 - 15.66 (ASTM D 445) 3.6 FLASH POINT, C min 85 (ASTM D 92) 3.7 POUR POINT, C min -18 (ASTM D 97) ENGINEERING MATERIAL SPECIFICATION ESA-M7C50-A Copyright
7、 2012, Ford Global Technologies, LLC Page 2 of 2 3.8 CORROSION RESISTANCE, days min 10 (FLTM BJ 107-03) 3.9 WEIGHT PER VOLUME, lb/gal min 7.3 kg/1 min (0.9) 3.10 VOLATILE CONTENT, % 52 - 58 (FLTM AJ 102-01) 3.11 WATER DISPLACEMENT Pass (MIL-C-16173, Grade 3) 3.12 FINGERPRINT NEUTRALIZATION Pass (MIL-C-15074)
