1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2010 07 30 Revised See summary of revisions paragraph 5. L. Schmalz, NA 2004 04 27 Revised Para 3.0 inserted; para 3.1, 3.2, 3.3, 3.6 & 4 deleted 1994 06 30 NGA1E10370437006 Released A. Vallabhanath Printed copies are uncontrolled Copyright 20
2、10, Ford Global Technologies, LLC Page 1 of 2 GREASE, PTFE, LIGHT CONSISTENCY WSG-M1C218-B2 1. SCOPE The material defined by this specification is a synthetic lubricating grease consisting of specifically formulated base oils and PTFE. 2. APPLICATION This specification was released originally for gr
3、ease used on ball bearings and drive components of starting motors. This lubricant is suitable for operating temperatures between - 40 and 232 C. 3. REQUIREMENTS 3.1 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirement
4、s For Production Materials (WSS-M99P1111-A). 3.2 COLOR Olive Green (Visual) 3.3 WORKED PENETRATION, tenths of a millimeter 260 - 320 (ISO 2137/ASTM D 217, 60 stroke) 3.4 DROPPING POINT 250 oC min (ASTM D 566 or ASTM D 2265, DIN ISO 2176) 4. GENERAL INFORMATION The information given below is typical
5、property data fro the grease approved for this specification. Grease approved to this specification should have the following typical properties. 4.1 MINERAL OIL 20% min HYDOGENATED POLYOLEFIN 40% min (ASTM D 128) 4.2 PTFE THICKENER 3-4% (ASTM D 128) 4.3 PROLONGED WORKED PENETRATION, +/- 15% max cha
6、nge (ISO 2137/ASTM D217, 100,000 strokes) from 60 stroke result 4.4 EVAPORATION 6% max (ASTM D972-02, 24H at 200oC) 4.5 OXIDATION STABILITY 69 kPa (ASTM D 942 or DIN 51808, 100 hr at 99 oC) ENGINEERING MATERIAL SPECIFICATIONWSG-M1C218-B2 Printed copies are uncontrolled Copyright 2010, Ford Global Te
7、chnologies, LLC Page 2 of 2 4.6 CORROSION RESISTANCE Pass (ASTM D 1743) 4.7 WATER WASHOUT 6% max (ASTM D 1264, at 38 C, DIN 51807 T02) 4.8 OIL SEPARATION 5% max (ASTM D 1742 or Federal Standard 791C, Method 321.3, DIN 51817) 4.9 INTERFACE COMPATIBILITY Production representative materials specific to
8、 the application should be used for the following tests. 4.9.1 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 when used for additional applications that come in contact with p
9、aint surfaces, ex. E-coat and powder coat. 4.9.2 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, P
10、C+ABS, ASA or acrylic. 4.9.3 Elastomer Compatibility (ASTM D 4289, 70 h, 100 C, DIN 53505, DIN 53504) Volume change Hardness change, max Tensile Strength change Note: Not tested for initial application of this grease. Grease must be tested for elastomer compatibility when used for additional applica
11、tions that come in contact with elastomers. Application specific elastomer should be used for testing instead of a reference elastomer. 5. SUMMARY OF REVISIONS 2010 07 30 Deleted: Initial Qualification Ongoing Verification Plan Consistency Functional Approval Supplement A,B,C Added Requirements: Color Penetration Dropping Point
