1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 3 2012 07 17 Revised See Summary of Revisions T, Covert, NA 2003 10 22 Revised Para 3.0 inserted; para 3.15 and 4 deleted 1966 09 14 Released AV2-282 Controlled document at www.MATS Copyright 2012, Ford Global Technologies, Inc. Page 1 o
2、f 3 GREASE, GENERAL CHASSIS - LONG LIFE LUBRICATION ESA-M1C75-B 1. SCOPE The material defined by this specification is an NLGI Grade 2 grease consisting of a mineral oil and lithium soap base with polyethylene and molybdenum disulfide additives to give the desired characteristics of a long life lubr
3、icant 2. APPLICATION This specification was released originally for grease used as a long life chassis lubricant for steering linkage joints and wheel bearings. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Stand
4、ard Requirements For Production Materials (WSS-M99P1111-A). 3.2 WORKED PENETRATION, tenths of a millimeter 265 295 (ASTM D 217, DIN ISO 2137, 60 stroke) 3.3 DROPPING POINT 177 C min (ASTM D 2265, DIN ISO 2176) 3.4 WATER WASHOUT, 7% max (ASTM D 1264, DIN 51807 T02, 79 C) 4. GENERAL INFORMATION This i
5、nformation given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. Grease approved to this specification should have the following typical properties. 4.1 LITHIUM 12 HYDROXY STE
6、ARATE SOAP 4 15 % (ASTM D128) 4.2 POLYETHYLENE 4 7 % (ASTM D128) 4.3 MOLYBDENUM DISULFIDE 1 % (ASTM D128, 2 to 5 micron size) ENGINEERING MATERIAL SPECIFICATION ESA-M1C75-B Copyright 2012, Ford Global Technologies, Inc. Page 2 of 3 4.4 BASE OIL PROPERTIES 4.4.1 Viscosity at 100 C 13 16 mm2/s (ASTM D
7、445, DIN 51562, ISO 3104) 4.4.2 Pour Point -15 C (ASTM D97, DIN ISO 3016) 4.5 MOISTURE CONTENT 0.25 % (ASTM D95) 4.6 PENETRATION, tenths of a millimeter (ASTM D217, DIN ISO 2137,) 4.6.1 Worked Penetration, 60 strokes 278 286 4.6.2 Prolonged Worked Penetration, 100,000 strokes +50 increase over 60 st
8、roke value 4.7 FILM STRENGTH DURABILITY (FLTM BJ 101-04, 10 lb (4.54 kg) Load) 4.7.1 After 8 hours No Score 4.7.2 Scar Width after 8 hours 0.9 mm 4.8 CORROSION PROTECTION Timken cup from 4.7) No rust or (ASTM D1743) discoloration Place Timken Cup in 95-100% Humidity Chamber (Bell Jar) at 23 C +/- 2
9、C for 300 h. Clean cup with solvent and examine visibly and under microscope. 4.9 OXIDATION STABILITY (ASTM D942) 96 165 kPa 4.9.1 Pressure drop after 1,000 hours (14 24 psi) 4.10 OIL SEPARATION DURING STORAGE 12 ml max (ASTM D1742, modified to show oil separation in ml at 96 h) 4.11 STRINGINESS TES
10、T 10 -14 mm (FLTM BJ 013-01) 4.12 WHEEL BEARING LEAKAGE LOSS 0.6 2.0 g (FLTM BJ 113-03) 4.13 INTERFACE COMPATIBILITY 4.13.1 Chemical Attack to Painted Surfaces (FLTM BJ 126-01) Note: Not tested for initial application of this grease. Grease must be tested for chemical attack to painted surfaces for
11、applications that come in contact with paint surfaces, ex. E-coat and powder coat. ENGINEERING MATERIAL SPECIFICATION ESA-M1C75-B Copyright 2012, Ford Global Technologies, Inc. Page 3 of 3 4.13.2 Resistance to Stress Cracking (FLTM BO 127-03) Note: Not tested for initial application of this grease.
12、Grease must be tested for resistance to stress cracking when used for additional applications that come in contact with polymers such as PC, ABS, PC+ABS, ASA or acrylic 4.13.3 Elastomer Compatibility, (ASTM D 4289, DIN 53505, DIN 53504, 70 hrs, 150 C) Note: Not tested for initial application of this
13、 grease. Grease must be tested for elastomer compatibility when used for additional applications that come in contact with elastomers. Application specific elastomer should be used for testing instead of a reference elastomer 5. SUMMARY OF REVISIONS 2012 07 17 Lot certification tests moved to requirements, all other requirements moved to general information. Added information on interface compatibility.
