1、 ENGINEERING MATERIAL SPECIFICATIONDate Action Revisions 2009 10 26 N-STATUS No known use. No Replacement Named D. DiGregorio, NA 2004 05 11 Revised Para 3.0 inserted; para 3.4 & 4 deleted 1973 11 21 Released E3C-012425 Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Pa
2、ge 1 of 2 OIL, GRAPHITIC - COLLOIDAL ESE-M2C74-B NOT TO BE USED FOR NEW DESIGN 1. SCOPE The material defined by this specification is a colloidal graphite suspended in SAE 50 lubricating oil of specific chemical and physical properties. 2. APPLICATION This specification was released originally for o
3、il used for prelubricating valve stems and guides during assembly and break-in. 3. REQUIREMENTS 3.0 STANDARD REQUIREMENTS FOR PRODUCTION MATERIALS Material suppliers and part producers must conform to the Companys Standard Requirements For Production Materials (WSS-M99P1111-A). 3.1 REQUIREMENTS FOR
4、GRAPHITE The graphitic carbon used for colloidal dispersion in the lubricating oil shall be micro-crystalline lattice structure with the following properties. 3.1.1 Graphitic Carbon Content, min 99.5% (ASTM D 271) 3.1.2 Moisture Content Trace (ASTM D 271) 3.1.3 Ash Content, max 0.5% (ASTM D 271) 3.1
5、.4 Silicon Carbide Content, max 0.05% (indicate test method) 3.1.5 Abrasion, max (ASTM D 1367) Total bearing weight loss 5 mg 3.2 REQUIREMENTS FOR BASE OIL The oil used as a base oil should meet the requirements of WSS-M2C908-A which includes the following properties: 3.2.1 Viscosity at 100 C 16.8 -
6、 21.8 cSt (mm2/s) (ASTM D 445) ENGINEERING MATERIAL SPECIFICATIONESE-M2C74-B Printed copies are uncontrolled Copyright 2009, Ford Global Technologies, LLC Page 2 of 2 3.2.2 Viscosity Index, min 80 (ASTM D 2270) 3.2.3 Pour Point, max -7 C (ASTM D 97) 3.2.4 Flash Point, min 227 C (ASTM D 92) 3.2.5 Cop
7、per Corrosion, max 1B (ASTM D 130, 3 hrs. at 100 C) 3.2.6 Zinc, min 0.12% (ASTM D 811) 3.3 REQUIREMENTS FOR BLENDED OIL AS RECEIVED 3.3.1 Graphite Concentration 0.05 - 0.10% (membrane filtration, 0.47 micron filter) 3.3.2 Particle Size, max 10 microns 90% 3 microns or less 3.3.3 Shelf Life, min One
8、year A sample taken from the upper 25% of the material container should contain no less than the minimum graphite specified in paragraph 3.3.1 and a sample taken from the lower 25% of the material container should contain no more than the maximum graphite specified in paragraph 3.3.1. 3.3.4 Engine P
9、erformance All material supplied to this specification shall be evaluated by Ford Motor Company prior to complete approval in terms of engine performance in the graphitic concentration specified under paragraph 3.3.1. Proof of actual engine effectiveness of subject solid film lubricant is evaluated
10、by comparing operation with the candidate graphitic oil to a currently approved or reference oil. The method specified is Ford Motor Company quality control tests QC-1 standard dynamometer test procedure for passenger and commercial engines and QC-6 100 hour durability test. 3.3.4.1 Intake and Exhau
11、st Valve Guide Wear Can be no worse than the base line established using currently approved materials. 5. GENERAL INFORMATION This information is for direction of the user and is not a requirement for the supplier. Prior to use of the material, it is suggested that the container be agitated in some manner to insure that the graphite will remain colloidal. The preferred method is 15 min agitation on a drum roller.
