1、 ENGINEERING MATERIAL SPECIFICATION Date Action Revisions Rev. 3 2012 02 16 Revised See Summary of Revisions A. Wedepohl, FNA 2004 04 29 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.5 & 4 deleted 1992 01 27 Released NB00I10043054145 R.D. Moore Controlled document at www.MATS Copyright 2012, Ford
2、 Global Technologies, LLC Page 1 of 3 GREASE, SYNTHETIC HYDROCARBON OIL, SILICA THICKENED WSB-M1C239-A 1. SCOPE The material defined by this specification is a NLGI Grade 2 polyalphaolefin based grease thickened with silica. 2. APPLICATION This specification was released originally for a greased ter
3、minal for use in the air bag circuits at the box spring connector. It is generally used for the lubrication and protection of electrical contacts. The service temperature range is -40 C to 135 C. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers
4、 must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 COLOR Clear -White (Visual) 3.3 UNWORKED PENETRATION, tenths of a millimeter 250 min (ASTM D217, DIN ISO 2137, 0 strokes) 3.4 WORKED PENETRATION, tenths of a millimeter 265 295 (ASTM D217, DIN ISO 2137
5、 60 stroke) 3.5 DROPPING POINT 260 C min (ASTM D2265, DIN ISO 2176) 3.6 COPPER CORROSION 1B max (ASTM D4048 / DIN 51811) 3.7 OIL SEPARATION DURING STORAGE 5% max (ASTM D1742, DIN 51817 or FTMS 791 C 321.3, room temp) 3.8 OIL SEPARATION FROM GREASE 5% max (ASTM D6184, 24h at 100C) 3.9 EVAPORATION (A
6、STM D972, 24h at 150 C) 2.5% max 4. GENERAL INFORMATION This information given below is provided for clarification and assistance in meeting the requirements of this specification. Contact for questions concerning Engineering Material Specifications. Grease approved to this specification should hav
7、e the following typical properties. ENGINEERING MATERIAL SPECIFICATION WSB-M1C239-A Copyright 2012 Ford Global Technologies, LLC Page 2 of 3 4.1 BASE OIL VISCOSITY (ASTM D445, DIN 51562, ISO 3104) 4.2.1 Kinematic Viscosity at 100 C 39.4 mm2/s 4.2.2 Kinematic Viscosity at 40C 390 mm2/s 4.2.3 Viscosit
8、y Index (ASTM D2270) 150 4.2 PENETRATION (ASTM D217, DIN ISO 2137) 4.2.1 UnWorked Penetration, 0 strokes 266 4.2.1 Worked Penetration, 60 strokes 286 4.2.2 Prolonged Worked Penetration, 100,000 strokes 311 4.3 OXIDATION STABILITY (ASTM D942 or DIN 51808,168 hr.) 10.2 kPa 4.4 WATER WASHOUT 2% (ASTM D
9、1264, DIN 51807 T02, 80 C) 4.5 OIL SEPARATION DURING STORAGE 1.5% (ASTM D1742, DIN 51817 or FTMS 791 C 321.3) 4.6 OIL SEPARATION FROM GREASE 2.4% (ASTM D6184, 100C) 4.7 EVAPORATION (ASTM D972, 24h at 150 C) 0.3% 4.8 VOLUME RESISTIVITY (ASTM D257) 7.8 x 10E16 ohm/cm 4.9 BREAKDOWN VOLTAGE 112 volts/mi
10、l (NYE CTM-9) 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 tested for chemical attack to painted surfaces for applications that come in contact with paint surfaces, ex. E-coat and powd
11、er coat. 4.10.2 Resistance to Stress Cracking (FLTM BO 127-03) Note: Not tested for initial application of this grease. Grease must be tested for resistance to stress cracking when used for additional applications that come in contact with polymers such as PC, ABS, PC+ABS, ASA or acrylic ENGINEERING
12、 MATERIAL SPECIFICATION WSB-M1C239-A Copyright 2012 Ford Global Technologies, LLC Page 3 of 3 4.9.3 Elastomer Compatibility (ASTM D4289, 70 h, 100 C, DIN 53505, DIN 53504) Note: Not tested for initial application of this grease. Grease must be tested for elastomer compatibility when used for additio
13、nal applications that come in contact with elastomers. Application specific elastomer should be used for testing instead of a reference elastomer. Determine change in volume, hardness change tensile strength and elongation. 5. SUMMARY OF REVISIONS 2012 02 16 Lot certification tests moved to requirements, all other tests moved to general information. Removed Supplements A, B, and C. Added guidance on interface compatibility.
