1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions Ver. 2 2008 10 20 N-STATUS Replaced by WSS-M13P12-A L. Schmalz, FNA 2004 02 09 Activated M. Trapp Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 1 of 2 GREASE, LITHIUM BASE, SYNTHETIC WSS-M1C265-A1 NOT TO BE
2、 USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a synthetic lubricating grease consisting of a polyalphaolefin base oil (PAO), lithium soap thickener, solid lubricants, and a tackifier to provide good lubrication and added protection against washout by splash water. 2. AP
3、PLICATION This specification was released originally for a grease to be used on a truck tailgate hinge where good lubrication and protection against washout by splash water is required. The lubricant is suitable for operating temperatures between 40 and + 150 C. 3. REQUIREMENTS 3.1 STANDARD REQUIREM
4、ENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 APPEARANCE White grease 3.3 PENETRATION, worked 60 310 - 370 (ASTM D 217) 3.4 BASE OIL VISCOSITY 40 C, cst 9850 (ASTM D 445) 3.5 DROPP
5、ING POINT, min 195 C (ASTM D 566) 3.6 BLEED, max 4.0% (FTM-791C, Method 321.3, 24h 100 C) 3.7 EVAPORATION, max 1.0% (ASTM D 972, 24h 100 C) 3.8 WEAR PROTECTION AND SERVICE LIFE 3.8.1 Water Wash-Out, max 6.0% (ASTM D 1264, 1h 79 C) 3.8.2 Water Spray-Off, max 4.0% (ASTM D 4049, 5min 38 C) ENGINEERING
6、MATERIAL SPECIFICATIONWSS-M1C265-A1 Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LLC Page 2 of 2 3.8.3 Thin Film Evaporation, max 6.0% (ASTM D 972, 20mil thk., 258h 120 C) 3.8.4 Oxidation Stability, psi, max. 2.9 (ASTM D 942, pressure drop in 100h 99 C) 3.9 CORROSION PRO
7、TECTION 3.9.1 Copper Strip Corrosion 1a (ASTM D 4048, 24h 100 C) 3.10 CHEMICAL ATTACK TO PAINTED SURFACES No staining or (FLTM BJ 126-01) softening of painted automotive finishes 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requiremen
8、ts of this specification. 4.1 TEST METHODS described in: Penetration, worked 60 ASTM D 217 Viscosity ASTM D 445 Dropping Point ASTM D 566 Oil Separation FTM-791C/Method 321.3 Evaporation ASTM D 972 Water Wash-Out ASTM D 1264 Copper Strip Corrosion ASTM D 4048 Water Spray-Off ASTM D 4049 Chemical Attack to Painted Surfaces FLTM BJ 126-01 4.2 Recommended service temperature range is - 40 to + 150 C.
