FORD WSS-M4G363-A-2014 SEALER SILICONE RUBBER TWO COMPONENT - FORM-IN-PLACE TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1995 09 14 Activated S. DeGroodWP 3948-a Page 1 of 3 SEALER, SILICONE RUBBER, TWO COMPONENT - WSS-M4G363-AFORM-IN-PLACE1. SCOPEThe material defined by this specification is a two component, thixotropicsilicone ru

2、bber.2. APPLICATIONThis specification was released originally to define a material used as aform-in-place gasket between the aluminum housing and the plastic leadframeon the mass air flow module. The low durometer of this material allows fordisassembly because it is fully cured before assembling.3.

3、REQUIREMENTS3.1 QUALITY SYSTEM REQUIREMENTSMaterial suppliers and part producers must conform to Quality SystemRequirements, QS-9000. Material specification requirements are to beused for initial qualification of materials. A Control Plan forongoing production verification is required. This plan mus

4、t bereviewed and approved by the relevant Ford Materials activity and/orFord Supplier Technical Assistance (STA) prior to production partssubmission. Appropriate statistical tools must be used to analyzeprocess/product data and assure consistent processing of thematerials.Part producers using this m

5、aterial in their products, must use Fordapproved materials and must conform to a process control plan whichhas been approved by STA and/or the relevant Materials Activity.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analy

6、sis 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 laboratory. All samples shall produce IR spectraand thermograms that correspond to the refer

7、ence standard when testedunder the same conditions.NOT TO BE USE D FOR NEW DESIGN2014 N Status No replacment named L. Sinclair, NAENGINEERING MATERIAL SPECIFICATIONWSS-M4G363-AWP 3948-b Page 2 of 3 3.3 CONDITIONING AND TEST CONDITIONSAll test values indicated herein are based on ma terial conditione

8、d ina control led atmosphere of 23 +/- 2 C and 50 +/- 5 % relativehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.3.4 UNMIXED COMPONENTS PROPERTIES3.4.1 ColorPart A WhitePart B Grey3.4.2 Extrusion Rate, gram/minTest Method:Measure the t

9、ime to dispense 500 grams through a stainlesssteel nozzle with a 3.2 +/- 0.13 mm orifice and 50 +/- 0.13mm length at 620 kPa pr essure. Start the test by dispensingapproximately 10 grams and then timing the next 500 grams.Part A 70 +/- 25Part B 115 +/- 25Mixed 1:1 85 +/- 253.4.3 Specific Gravity(AST

10、M D 792)Part A 1.02 - 1.08Part B 1.02 - 1.08Mixed 1.02 - 1.083.4.4 Cure Time 5 min(ASTM D 5289, Monsanto Oscillatory DiskRheometer, T-90 time at 80 C)3.5 CURED SEALANT PROPERTIES3.5.1 Hardness, Shore A 28 +/- 8(ASTM D 2240, mixed 1:1cured 1 h at 120 C)3.5.2 Elongation, min 300 %(ASTM D 412)3.5.3 Ten

11、sile Strength, min 2.8 mPa(ASTM D 412)ENGINEERING MATERIAL SPECIFICATIONWSS-M4G363-AWP 3948-b Page 3 of 3 3.5.4 Adhesive Strength, min 2.0 MPa(ISO 4587/ASTM D1002 lap shear,2024 T3 aluminum alclad, curesample 1 h at 120 C)3.6 SILICONE VOLATILITY, max 0.7 %(FLTM AV 102-01)3.7 ADDITIONAL REQUIREMENTSS

12、pecific requirements for material and/or manufa ctured parts shall bespecified on the Engineering drawing, Engineerin g parts specificationand/or performance specification. All critical areas with respect tothese properties shall be clearly designated on the engineeringdrawing.3.8 SUPPLIERS RESPONSI

13、BILITYAll 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 thi

14、s 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 approval of the Materials Engineeringactivit

15、y. 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 Specification WSS-M99P9999-A1.4. APPROVAL O

16、F MATERIALSMat erials defined by this specification must have prior approval 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. Uponreq

17、uest, 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, demonstratingful l compliance with all the requirements of this specification (testresults, not n

18、ominal 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 intended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.