1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 1 2012 09 12 Revised See Summary C. Mracna, NA 2008 08 28 Activated C. Mracna, FNA Controlled document at www.MATS Copyright 2012, Ford Global Technologies, LLC Page 1 of 1 PASTE, SOLID LUBRICANT WSS-M2C161-A2 1. SCOPE The material defin
2、ed by this specification is a mineral oil-based, lubricating paste containing inorganic solid lubricants and other additives to provide high load-carrying capacity, good adhesion to substrates, high temperature performance, and a low coefficient of friction. 2. APPLICATION This specification was rel
3、eased originally for a paste to be used for the lubrication of various chassis assemblies where high load-carrying capability, low friction, and good corrosion protection is required. The lubricant is suitable for operating temperatures between -25 and +450 C as paste, and up to +630 C dry lubricati
4、on. 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 APPEARANCE Charcoal gray paste 3.3 PENETRATION, UNWORKED 260 310 (ASTM D217) 3.4 SPECIFIC GRA
5、VITY at 25 C 1.25 1.45 3.5 BASE OIL VISCOSITY at 40 C, cst 10.9 13.3 (ASTM D445) 3.7 PRESS FIT TEST, COEFFICIENT OF FRICTION 0.12 max (FLTM BJ 152-01, or technical equivalent) 3.8 CHEMICAL ATTACK TO PAINTED SURFACES (if applicable) No staining or softening (FLTM BJ 126-01) of painted automotive fini
6、shes 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. 4.1 LOAD-CARRYING CAPACITY, WEAR PROTECTION, and SERVICE LIFE Four-ball Wear, scar dia., mm, typical 0.85 (1200 RPM, 75 C, 80kg, 1h) (ASTM D 2266) ENGINEERING MATERIAL SPECIFICATION WSS-M2C161-A2 Copyright 2012, Ford Global Technologies, LLC Page 2 of 2 5. SUMMARY OF REVISIONS 2012 09 12 Moved Load Carrying Capacity to General Info. Base oil viscosity was 10.2 11.9.
