1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2008 10 14 N-STATUS Replaced by WSS-M13P12-A L. Schmalz, FNA 2004 04 26 Revised Para 3.0 inserted; para 3.1, 3.2, 3.8 & 4 deleted 1997 03 10 Activated A. Vallabhanath Printed copies are uncontrolled Copyright 2008, Ford Global Technologies, LL
2、C Page 1 of 1 GREASE-SILICON BASED LUBRICANT WSS-M1C229-A2 NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is NLGI Grade 2 synthetic lubricating grease consisting of a base fluid. 2. APPLICATION This specification was released originally for grease used on bearings
3、for windshield wiper motors. The lubricant is suitable for operating temperatures between - 15 and + 200 C. 3. REQUIREMENTS 3.0 STANDARD REQUIRTEMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1
4、111-A). 3.3 WORKED PENETRATION 260 - 300 (ISO 2137/ASTM D 1403, worked) 3.4 OIL SEPARATION, max 1% (ASTM D 1742, 30 h at 99 C) 3.5 EVAPORATION, max (ASTM D 972, 204 C) 3.5.1 Viscosity of Base Oil 28,500 - 31,500 mm2/s (ASTM D 445, 40 C) 3.6 FLAMMABILITY 275 C (ASTM D 1310) 3.7 FLASH POINT 275 C (ASTM D 1310) 5. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this specification. 5.1 DIELECTRIC STRENGTH, min 390 V/mil (ASTM D 149) 5.2 DIELECTRIC BREAKDOWN, min 19 kV (ASTM D 149)
