1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 11 18 Revised See summary of revisions K. Cosgrave 2004 04 30 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.5 & 4 deleted 1994 03 31 Released NC00E10244447027 A. Yuhas Printed copies are uncontrolled Copyright 2010, Ford Global Technol
2、ogies, LLC Page 1 of 3 GREASE, CONTROL LUBRICATING, SYNTHETIC OIL, WSA-M1C246-A NLGI 1/2 1. SCOPE The material defined by this specification is a NLGI 1/2 grease consisting of a polyalkylene glycol base and a special lithium soap to give the desired characteristics of control lubricating. 2. APPLICA
3、TION This specification was released originally for grease used in the lubrication of disc brake calipers and anchor plate slides. This material can also be used to aid assembly of hoses in clutch and brake systems. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material supplier
4、s and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.2 COLOR Beige (Visual) 3.3 WORKED PENETRATION, tenths of a millimeter 285315 (ASTM D 217, ISO 2137, 60 strokes, 25 oC) 3.4 DROPPING POINT 250 C min (ASTM D 566, ASTM D2265, ISO 2176)
5、3.5 CORROSION PROTECTION 3.5.1 Copper Corrosion (Copper Strip) 1 max (ASTM D 130, DIN 51811, 24h, 100 oC) 3.5.2 Emcor Corrosion 1 max (ASTM D 6138, DIN 51802, 168hrs) 4. GENERAL INFORMATION The information given below is provided for clarification and assistance in meeting the requirements of this s
6、pecification. Grease approved to this specification should have the following typical properties. 4.1 LITHIUM SOAP CONTENT 15% (According to formulation) 4.2 BASE OIL CONTENT (PAG) 85% (According to formulation) ENGINEERING MATERIAL SPECIFICATIONWSA-M1C246-APrinted copies are uncontrolled Copyright
7、2010, Ford Global Technologies, LLC Page 2 of 3 4.3 BASE OIL VISCOSITY (ASTM D 7042) 4.3.1 Kinematic Viscosity at 40 oC 360mm2/s 4.4 PENETRATION, tenths of a millimeter (ASTM D 217, ISO 2137) 4.4.1 Worked Penetration, 60 strokes 295 4.4.2 Prolonged Worked Penetration, 100,000 strokes +35% 4.5 OXIDAT
8、ION STABILITY 15kPa (ASTM D 942 or DIN 51808, 100hr at 99 oC) 4.6 WATER RESISTANCE 4.6.1 Water Resistance, Static 0 (DIN 51807 T1, 3hr at 90 oC) 4.7 OIL SEPERATION DURING STORAGE 4.6% (ASTM D 6184, 30hr at 150 oC) 4.8 FLOW PRESSURE550 mbar (DIN 51805, -40 C) 4.9 INTERFACE COMPATIBITY 4.9.1 Chemical
9、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 powder coat. 4.9.2 Resistance to Stress Cracking (FLTM BO 127-0
10、3) 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. 4.9.3 Elastomer Compatibility (ASTM D 4289, 70h, 100 C, DIN 53505, DIN
11、 53504) Note: Not tested for initial application of this grease. Grease must be tested for elastomer compatibility when used on additional applications that come in contact with elastomers. Application specific elastomer should be used for testing instead of a reference elastomer. ENGINEERING MATERI
12、AL SPECIFICATIONWSA-M1C246-APrinted copies are uncontrolled Copyright 2010, Ford Global Technologies, LLC Page 3 of 3 5. SUMMARY OF REVISIONS 2010 11 18 Reclassify NLGI consistency. Include additional functions under Application. Lot certification tests moved to requirements, all other requirements moved to general information. Add information on interface compatibility which is a requirement of WSS-M13P13-A. Supplements A, B and C removed.
