1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1994 12 15 Revised and Retyped, was 7 pages1985 03 05 SM/EQ 5546 TP ReleasedWP 3948-a Page 1 of 3 SEALING COMPOUND, MANIFOLD SYSTEM ESK-M4G268-A1. SCOPEThe material defined by this specification is a minera
2、l oil, graphite andcalcium soap base sealing compound.2. APPLICATIONThis specification was released originally for material used for sealingof manifold system.3. REQUIREMENTS3.1 DROP POINT, min 90 C(ASTM D 566, IP 132, DIN 51801, Sheet 1)3.2 CONE PENETRATION (0.1 mm) 280 - 310(ASTM D 217, IP 50, DIN
3、 51804, worked, 60strokes)3.3 CALCIUM SOAP 5.5 to 10.0 %(ASTM D 128)3.4 WATER CONTENT, max 1.0 %(ASTM D 95, IP 74, DIN 51582)3.5 SIEVING TEST, max 2.0 %Solid matter retained on an ISO R 565 150 micron aperture mesh sieve,after washing with chloroform.3.6 SOLID MATTER 25 - 35 %(ASTM D 128, Method I)3
4、7 LOSS OF SOLID MATTER ON INCINERATION, min 80 %(ASTM D 1553, solid matter separated as 3.6,as percentage of solid matter)NOT TO BE USED FOR NEW DESIGN2014 N Status No replacement named L. Sinclair, NAENGINEERING MATERIAL SPECIFICATIONESK-M4G268-AWP 3948-b Page 2 of 3 3.8 ABRASIVESThe material shal
5、l contain no abrasive agents.Test Method: Dilute a gram sample of material with one gram specialwhite spirit (60/140) according to U-MC-004-8004-01 and mixthoroughly. Rub a portion of the diluted material 10 times betweentwo pieces of flat, clean plate glass. The appearance of scratcheson the glass
6、plate will be considered failure.3.9 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/ortherma l analysis of material/parts supplied to this specification.The IR spectra and thermograms established for i nitial approval shallconst itute th
7、e reference standard and shall be kept on file at thedesignated material laboratory. All samples sha ll produce IR spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.10 SUBSTANCE CONTROLLegal, health, safety a nd environmental constraints may appl
8、y to themate rials which are submitted for approval to this specification.Refer to Engineering Material Specification SK-M99P9999-A.3.11 QUALITYThe material shall be o f uniform quality, free from foreign materialand pro perties detrimental to normal production use. It shall notcause corrosion of th
9、e parts in service.3.12 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.Pri or to making any change in the properties, composition,constr uction, color, processing or labeling of
10、the materialorig inally approved under this specification, whether or not suchchange s affect the materials ability to meet the specificationrequir ements, the Supplier shall notify Purchasing, Toxicology andthe affected Materials Engineering activity of the proposed changesand obtain the written ap
11、proval of the Materials Engineeringactivity. Test data, t est samples and a new code identification areto be submitted with the request.Substance restrictions imposed by law, regulations or Ford, apply tothe materials addressed by this document. The restrictions aredefined in Engineering Materials S
12、pecification WSS-M99P9999-A1.ENGINEERING MATERIAL SPECIFICATIONESK-M4G268-AWP 3948-b Page 3 of 3 4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresp onsible Materials Engineering activity. Suppliers desiring approvalof thei r materials shall first obt
13、ain an expression of interest from theaffec ted Purchasing, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit to the affected Materials Engineeringactivity a completed copy of their laboratory test reports, signed by aqualified and authorized representative of the tes
14、t faci lity, demonstratingful l compliance with all the requirements of this specification (testresults, not nominal values), the material designation a nd code number, andtes t specimens for Ford evaluation. Fords engineering approval of amateri al will be based on its performance to this specifica
15、tion and on anassessment of suitability for intended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.5. GENERAL INFORMATIONThe information given below is provided for clarification and assistancein meeting the requirements of this specification.5.1 STORAGE STABILITY(From date of receipt at Ford Motor Company)Minimum 12 months when stored at ambient temperature of 5 C to 28 C.
