1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 4 2011 08 09 Revised See summary of Revisions S. Ryzyi, FNA 2004 04 27 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.6 & 4 deleted 1990 02 04 C10057354 Released K. Swain Controlled document at www.MATS Copyright 2011, Ford Global Tech
2、nologies, LLC Page 1 of 2 GREASE, LITHIUM COMPLEX, NLGI 2 WSD-M1C228-A 1. SCOPE The material defined by this specification is mineral oil based grease with a lithium complex thickener. Included are corrosion inhibitors and additives for oxidation resistance and extreme pressure properties. 2. APPLIC
3、ATION This specification was released originally for grease used for the lubrication of wheel bearings and where good performance at higher temperature is required. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys S
4、tandard Requirements For Production Materials (WSS-M99P1111-A). 3.2 COLOR Amber (Visual) 3.3 WORKED PENETRATION, tenths of a millimeter 265 295 (ASTM D 217, DIN ISO 2137, 60 stroke) 3.4 DROPPING POINT 220 C min (ASTM D556, ASTM D 2265, DIN ISO 2176) 4. GENERAL INFORMATION This information given belo
5、w is provided for clarification and assistance in meeting the requirements of this specification. Grease approved to this specification should have the following typical properties. 4.1 LITHIUM SOAP CONTENT 10 - 20% (According to Formulation) 4.2 BASE OIL VISCOSITY (DIN 51562 T01, ASTM D 445) 4.2.1
6、Kinematic Viscosity at 100 C 15 - 20 mm2/s 4.2.2 Kinematic Viscosity at 40C 158 - 280 mm2/s 4.3 PENETRATION, tenths of a millimeter (ASTM D 217, DIN ISO 2137) 4.3.1 Worked Penetration, 60 strokes 274 4.3.2 Prolonged Worked Penetration, 100,000 strokes +25 ENGINEERING MATERIAL SPECIFICATION WSD-M1C22
7、8-A1 Controlled document at www.MATS Copyright 2011 Ford Global Technologies, LLC Page 2 of 2 4.4 OXIDATION STABILITY (ASTM D 942 or DIN 51808, 100hr at 99C) 30 kPa 4.5 CORROSION PROTECTION Pass (ASTM D 1743) 4.6 EMCOR CORROSION PROTECTION 0 (DIN 51802) 4.7 WATER SPRAY-OFF 1.6% (ASTM D 4049, 5 min a
8、t 38 C) 4.8 WATER WASHOUT 1% (DIN 51807 T1, 3h at 90 C) 4.9 OIL SEPARATION DURING STORAGE 3% (ASTM D 1742, DIN 51817 or FTMS 791 C 321.3) 4.10 INTERFACE COMPATIBILITY 4.10.1 Chemical Attack to Painted Surfaces (FLTM BJ 126-01). Note: Not tested for initial application of this grease. Grease must be
9、tested for chemical attack to painted surfaces for applications that come in contact with paint surfaces, ex. E-coat and powder coat. 4.10.2 Resistance to Stress Cracking No cracking or crazing (FLTM BO 127-03) Note: Not tested for initial application of this grease. Grease must be tested for resist
10、ance to stress cracking when used for additional applications that come in contact with polymers such as PC, ABS, PC+ABS, ASA or acrylic 4.10.3 Elastomer Compatibility, SBR, EPDM (ASTM D 4289, DIN 53505, DIN 53504, SAE AMS 3217/2A, NBR-L, 70 hrs, 150 C) 4.10.3.1 Volume Swell +10 4.10.3.2 Hardness Ch
11、ange, Durometer A Points - 6 5. SUMMARY OF REVISIONS 2011 08 09 Lot certification tests moved to requirements, all other requirements moved to general information. Removed Initial Qualifications and Ongoing Verification Plan Removed Supplement C Added Oil Separation, Elastomer Compatibility, Corrosion Resistance, Prolonged Worked Penetration, and Water Washout to General Information per WSS-M13P13-A
