1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1990 07 11 DE00E00107002060 Released J. HuebnerWP 3948-a Page 1 of 3 SEALER, SILICONE RUBBER, TWO COMPONENT ESF-M4G330-A1. SCOPEThe material defined by this specification is a rapid curing,two-component, thixotro
2、pic silicone rubber.2. APPLICATIONThis specification was released originally to define a material used as avibration strapping compound on electronic components in the Four WheelAntilock Brake Control Module.3. REQUIREMENTS3.1 STATISTICAL PROCESSSuppliers must conform to the requirements of Ford Qua
3、lity SystemStandard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval. Appropriatestatistical tools must be used to analyze process/product data sothat variation in the final product is continuously reduced.3.2 INFRARED SPECTROPHOTOMETRY AND/OR TH
4、ERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specification.The IR spectra and thermograms established for initial approval shallconstitute the reference standard and shall be kept on file at thedesignated material lab
5、oratory. All samples shall produce IR spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.3 CONDITIONING AND TEST CONDITIONSAll test values indicated herein are based on material conditioned ina controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % re
6、lativehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.3.4 UNMIXED COMPONENT PROPERTIES3.4.1 ColorPart A TranslucentPart B TranslucentNOT TO BE USED FOR NEW DESIGN2014 N Status No replacement named L. Sinclair, NAENGINEERING MATERIAL SPE
7、CIFICATIONESF-M4G330-AWP 3948-b Page 2 of 3 3.4.2 Extrusion Rate, g/minute(at 620 kPa, 3.17 mm dia orifice)Part A 85 - 95Part B 85 - 95Mixed 1:1 85 - 953.4.3 Specific GravityASTM D 792)Part A 1.13 +/- 0.05Part B 1.13 +/- 0.05Mixed 1:1 1.13 +/- 0.053.4.4 Gel Time(ASTM D 297, mixed 1:1 by weight or vo
8、lume)10 g mass at 125 C, minutes 1.0 max10 g mass at 110 C, minutes 1.5 max3.5 CURED SEALANT PROPERTIES(Mixed 1:1, cured 15 minutes at 110 C)3.5.1 Hardness, Shore A 35 - 453.5.2 Tensile Strength, min 5.86 MPa(ASTM D 412)3.5.3 Elongation, min 350 %(ASTM D 412, Die C)3.5.4 Compression Set, max 17 %(AS
9、TM D 395, 22 h at 175 C)3.5.5 Dielectric Strength, min 17.2 kV/mm(IEC 243/ASTM D 149 in insulatingoil, 1.88 mm thick)3.6 SILICONE VOLATILITY, max 5 %(FLTM AV 102-01, as received atFord Motor Company)3.7 ADDITIONAL REQUIREMENTSSpecific requirements for material and/or manufa ctured parts shall bespec
10、ified on the Engineering drawing, Engineerin g parts specificationand/or performance specifications. All critical areas with respect tothese properties shall be clearly designated on the engineeringdrawing.ENGINEERING MATERIAL SPECIFICATIONESF-M4G330-AWP 3948-b Page 3 of 3 3.8 SUPPLIERS RESPONSIBILI
11、TYAll 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 the materialorig inally approved under this sp
12、ecification, 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 approval of the Materials Engineeringactivity. T
13、est 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 Material Specification WS S-M99P9999-A1, unlessa differen
14、t suffix (e.g., A2 or A3) is specified on the engineeringdocument for the application.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri ng activity. Suppliers desiring approval ofthe ir materials shall first obtain an expr
15、ession 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 test faci lity
16、 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. In addition to meeting therequi rements of this specification, the materials will be assessed forsuita bility for intended applications as part of the approval process.Upo n approval, the material will be added to the Engineering MaterialApproved Source List.
