1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1994 01 05 NEO1E10127076110 Revised updated E.J. Duda1982 03 25 CE3L-RD863100E47 ReleasedWP 3948-a Page 1 of 4 GASKET, ASBESTOS-FREE REINFORCING ESE-M8G165-ACOMPOUNDS AND SYNTHETIC RUBBER1. SCOPEThe mate ri
2、al defined by this specification is a high grade gasketingmate rial comprised of asbestos-free reinforcing compounds in combinationwith synthetic elastomeric binders.2. APPLICATIONThis specification was released originally for material requiring highflange loads to seal against internal pressures at
3、 moderate temperatures,such as the fuel pump mounting gasket.3. REQUIREMENTSAll tests shall be conducted in accordance with ASTM F 104 type 7 materialunl ess otherwise specified. Test specimens are to be selected fromfinished gaskets when practicable.3.1 ORIGINAL PROPERTIES (All thicknesses)3.1.1 Te
4、nsile Strength, min 13.9 MPa(ASTM F 152, Method A)3.1.2 Compressibility 8 to 22 %(ASTM F 36, Procedure A)3.1.3 Recovery, min 50 %(ASTM F 36, Procedure A)3.2 HEAT AGING (All thicknesses)(ASTM D 573, 22 h at 150 +/- 3 C)3.2.1 Weight Change, max - 1.5 %3.2.2 Compressibility, max 22 %(ASTM F 36, Procedu
5、re A)ENGINEERING MATERIAL SPECIFICATIONESE-M8G165-AWP 3948-b Page 2 of 4 3.2.3 Recovery, min 50 %(ASTM F 36, Procedure A)Test Method: Place 3 weight change samples 25 x 50 mm xsamp le thickness and 3 tensile change 13 x 100 mm x samplethickness or any sample size which is practicabl e between 100x 1
6、25 x 13 mm steel pla tes. Place in furnace set at 150 +/-3 C for 22 h.3.3 HEATING AGING (All thicknesses)(ASTM D 573, 22 h at 175 +/- 3 C)3.3.1 Weight Change, max - 2.5 %3.3.2 Compressibility. max 22 %(ASTM F 36, Procedure A)3.3.3 Recovery. min 58 %(ASTM F 36, Procedure A)Test Method: Same as in par
7、a 3.2, except set fu rnace at 175+/- 3 C.Thickness3.4 IMMERSION IN LIQUIDS 0.68 to 0.90 mm 0.91 to 1.2 mm3.4.1 ASTM #1 Oil(ASTM F 146, 5 h at 150 +/- 3 C)Thickness Change 0 to + 2 % 0 to + 5 %Tensile Strength Change, max - 22 % - 18 %3.4.2 ASTM #3 Oil(ASTM F 146, 5 h at 150 +/- 3 C)Thickness Change
8、0 to + 6 % 0 to + 12 %Tensile Strength Change, max - 24 % - 30 %3.4.3 ASTM Fuel C(ASTM F 146, 5 h at 23 +/- 2 C)Thickness Change 0 to + 18 % 0 to + 25 %Tensile Strength Change, max - 50 % - 55 %3.4.4 ASTM Fuel C 80 % and Ethanol 20 %(ASTM F 146, 5 h at 23 +/- 2 C)Thickness Change 0 to + 28 % 0 to +
9、32 %Tensile Strength Change, max - 70 % - 75 %ENGINEERING MATERIAL SPECIFICATIONESE-M8G165-AWP 3948-b Page 3 of 4 3.4.5 ESE-M97B44-A Coolant & Water 50/50(ASTM F 146, 24 h at boiling)Thickness Change 0 to + 28 % 0 to + 32 %Tensile Strength Change, max - 85 % - 88 %3.5 CREEP RELAXATION, max 40 % 55 %
10、(ASTM F 38, Method B, 22 h at 150 C)3.6 DENSITY, kg/m3 1346 - 1538 1395 - 1602(ASTM D 297)3.7 SEALABILITY, max 3.0 mL/h(ASTM F 37, 760 mm Hg, 10.3 MPa)3.8 IGNITION LOSS 40 to 53 %(ASTM F 495)3.9 SURFACE COATING Must not stick or show anyevidence of corrosion. Metal Plates. Aluminum to Aluminum. Alum
11、inum to Steel. Steel to SteelTest Method: A 15.9 mm I.D. x 38.1 mm O.D. test specimen is clampedbetween 2 discs of 13.5 mm I.D. x 51 mm O.D. metal plates (maximumthickness 1.57 mm) backed by 12.7 mm steel plates. A 12.7 mm steelbolt is inserted through the hole and a nut put on it. Tighten thebolt t
12、o 79 N/m. Heat the assembly to 149 +/- 3 C for 5 h. Removeand allow to cool to room temperature. The specimen shall come offthe m etal plates without tearing and the metal plates must show noevidence of corrosion.3.10 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its optio
13、n, 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 the reference standard and shall be kept on file at thedesignated material laboratory. All samples sha ll produce IR spec
14、traand thermograms that correspond to the reference standard when testedunder the same conditions.3.11 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality SystemStand ard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval
15、. Appropriatestatist ical tools must be used to analyze process/product data sothat variation in the final product is continuously reduced. ENGINEERING MATERIAL SPECIFICATIONESE-M8G165-AWP 3948-b Page 4 of 4 3.12 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent
16、 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 the materialorig inally approved under this specification, whether or not suchchange s affect the materials abi
17、lity to meet the specificationrequir ements, the Supplier shall notify Purchasing, Toxicology andthe affected Materials Engineering activity of the proposed changesand obtain the written approval of the Materials Engineeringactivity. Test data, t est samples and a new code identification areto be su
18、bmitted with the request.Substance restrictions imposed by law, regulations or Ford, apply tothe materials addressed by this document. The restrictions aredefined in Engineering Material Specification WSS-M99P9999-A1.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior ap
19、proval by theresp onsible Materials Engineering activity. Suppliers desiring approvalof thei r materials shall first obtain an expression of interest from theaffec ted Purchasing, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit to the affected Materials Engineeringa
20、ctivity a completed copy of their laboratory test reports, signed by aqualified and authorized representative of the test 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 specification and on anassessment of suitability for i ntended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.
