1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 03 19 Activated L. Rodrigues, FSA Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 1 of 1 GREASE, FLUORINATED LUBRICANT, NLGI 2 WSS-M1C275-A1 1. SCOPE The material defined by this specification is NLGI Gr
2、ade 2 synthetic lubricating grease consisting of a perfluoropolyether base oil thickened with a fluorinated (PTFE) polymer. 2. APPLICATION This specification was released originally for grease used for the lubrication of bearings and the lubricant is suitable for operating temperatures between -20 a
3、nd +280 C. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements for Production Materials (WSS-M99P1111-A). 3.2 PENETRATION (ASTM D 217) 3.2.1 Worked, 60 cycles 265-295 3.2.2 Worked 100,000 cycles,
4、max +/- 15% change from 60 cycle result 3.3 VISCOSITY 3.3.1 Viscosity of Base Oil 405 - 495 mm2/s (ASTM D 445, 40 C) 3.3.2 Viscosity of Base Oil 37.8 - 46.9 mm2/s (ASTM D 445, 100 C) 4. GENERAL INFORMATION The information below is typical property data for the grease approved to this specification.
5、4.1 COLOR White 4.2 OIL SEPARATION, max 13% (ASTM D 6184) ENGINEERING MATERIAL SPECIFICATIONWSS-M1C275-A1Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 4.3 DROPPING POINT, min 130 (ASTM D 2265 or ASTM D 566) 4.4 4 BALL WEAR SCAR 0.5 - 2.5 mm (ASTM D 2266 40
6、kg, 75 C, 1200 RPM for 1 hr) 4.5 4-BALL EP WELD POINT, kg min 200 (ASTM D 2596) 4.6 4-BALL LOAD WEAR INDEX, min 30 (ASTM D 2596) 4.7 OXIDATION STABILITY, kPa max 30 (ASTM D 942, 100h, 99 oC) 4.8 CORROSION PROTECTION pass (ASTM D 1743) 4.9 WATER WASHOUT, wt loss % max 10 (ASTM D 1264, 79 C) 4.10 FLAMMABILITY Not flammable (ASTM D 1310)
