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    FORD WSB-M4G341-A-1991 SEALER TAPE BUTYL《丁基密封带》.pdf

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    FORD WSB-M4G341-A-1991 SEALER TAPE BUTYL《丁基密封带》.pdf

    1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1991 06 28 NB00E10138934000 Released W.Curtiss E.Rezendes M.PerchardWP 3948-a Page 1 of 7SEALER, TAPE, BUTYL WSB-M4G341-A1. SCOPEThe ma terial described herein is a round butyl tape sealer. This type oftape seale

    2、r has a release liner on one side.2. APPLICATIONThi s specification was released originally as a material for use inconjun ction with mechanical retention to seal RIM and PVC modular windowsto pai nted sheet metal. The material should be conditioned at 23 +/- 2 Cfor 24 h prior to application and sho

    3、uld be applied on clean substrates.3. REQUIREMENTS3.1 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. Appropriatestatist ical tools must be used to a

    4、nalyze process/product data sothat variation in the final product is continuously reduced.3.2 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 thermogr

    5、ams 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 spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.3 CONDITIONING AND TEST

    6、CONDITIONSAll test values indicated herein are based on ma terial conditioned 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 DIMENSIONS As specified on theengineering

    7、drawingENGINEERING MATERIAL SPECIFICATIONWSB-M4G341-AWP 3948-b Page 2 of 73.5 DENSITY, g/cm3(ASTM D 297)The dens ity tolerance for any one supplier shall be +/- 0.1 g/cm3ba sed on the recorded density for their originally approvedproduction sample as shown on the material control plan.3.6 CONSISTENC

    8、Y(ASTM D 217)The c onsistency tolerance for any one supplier shall be +/- 1.0 mmbased on the recorded consistence for their originally approvedproduction sample as shown on the material control plan.3.7 FORCE TO COMPRESS, max 160 N(FLTM BU 114-01, except 50 % compressionon 7 mm diameter tape)3.8 REC

    9、OVERY, min 70 %(FLTM BU 114-01, except 50 % compressionon 7 mm diameter tape and recovery after5 minutes)3.9 SHEAR STRENGTH, min 70 kPa(See Figure 1). Normal at 23 +/- 2 CCycle:. 4 h at 90 +/- 2 C. 4 h at 98 +/- 2 % R.H. at 38 +/- 1 C. 16 h at - 30 +/- 1 C. 4 h at 98 +/- 2 % R.H. at 38 +/- 1 C. 4 h

    10、at 90 +/- 2 C. 16 h at - 30 +/- 2 C. 2 weeks at 98 +/- 2 % R.H. at 38 +/- 1 C. 2 weeks at 90 +/- 2 CTest Method: A 7 mm diameter tape section shall be cut into a lengthof 25 mm and bonded to RIM per 5.4.1, PVC per 5.4.2, painted metalper 5.4.3 and 5.4.4. The tape is pressed to pro duce 50 % compress

    11、ionfor 1 minute and released (see Figure 1). Determine the shearst rength of the bonded assemblies by pulling in a tensile machinewith a jaw separation rate of 250 mm/minute.ENGINEERING MATERIAL SPECIFICATIONWSB-M4G341-AWP 3948-b Page 3 of 73.10 YIELD STRENGTH, min 50 kPa. Normal at 23 +/0 2 C. 2 we

    12、eks at 90 +/- 2 C. 2 weeks at 38 +/- 1 C at 98 +/- 2 % R.H. 2 weeks at - 30 +/- 2 C Cycle:. 4 h at 90 +/- 2 C. 4 h at 38 +/- 2 C at 98 +/- 2 % R.H. 16 h at - 30 +/- 2 C. 4 h at 38 +/- 1 C at 98 +/- 2 % R.H. 4 h at 90 +/- 2 C. 16 h at - 30 +/- 2 C. (24 h at 23 +/- 2 C before testing yield strength)Te

    13、st Method: Yield cel ls are prepared using RIM, per 5.4.1, PVC per5.4.2, painted metal pe r 5.4.3 and 5.4.4 and two 7 mm diameter by 75mm long ta pes. See Figure 2. To assemble, press the cells for 1minute at 50 % compress ion. Condition the cells as specified above.Determine the yield strength of t

    14、he bonded assemblies in tension bypull ing in a tensile machine with a jaw separation rate of 25 mm/minut e. The RIM/PVC must be securely bonded to another metal baseplate by adhesive to eliminate any bending. Report peak load andfailure mode.3.11 HEAT RESISTANCENo flow, blistering, or degradation o

    15、f butyl.Test Method: Place a 7 mm diameter x 100 mm lon g tape strip on a 100x 300 mm painted panel, as per para 5.3.4. Pass a 2 kg roller overthe release paper side of the tape once in each direction. Remove there lease paper and hang the panel vertically in an air circulatingoven at 120 +/- 2 C fo

    16、r 30 minutes.3.12 PAINT COMPATIBILITYNo evidence of migration stain, pinholing, blist ering or softening ofthe paint film.Test Method: A 150 mm length of tape shall be p laced in contact witha 100 x 300 mm painted panel, as per para 5.3.4 and 5.3.5. Expose theassembly to a temperature of 90 +/- 2 C

    17、for 2 we eks. Remove the tapeand examine the area directly below and adjacent to the contact area.3.13 LOW TEMPERATURE FLEXIBILITY No crackingTest Method: Condition a 150 mm length of tape for 2 weeks at 90 +/-2 C. Then condition th e material in a cold chamber a - 30 C for 4 hand ben d 180 deg arou

    18、nd a temperature conditioned 25 mm diametermandrel.ENGINEERING MATERIAL SPECIFICATIONWSB-M4G341-AWP 3948-b Page 4 of 73.14 FOGGING(FLTM BO 116-03)Fog Number, min 60The formation of droplets or coalescence into a clear film is causefor rejection.3.15 WATER LEAK RESISTANCEEvidence of water leaks will

    19、be cause for rejection.Test Method: A test sp ecimen, 7 mm in diameter and 300 mm in lengthshall be placed between a pair of acrylic or glass plates (5 - 10 mmthick and 15 0 mm long by 150 mm wide) in a “U“ configuration andcompressed 10 % using spacers as a guide. The fi xture must be clampedor bol

    20、ted to maintain the 10 % compression throu ghout the test. (SeeFigure 3.) Stand the assembly on edge with the opening of the “U“channel up. Fill the channel to a depth of 100 m m with colored water.Inspect the assembly after 24 h for evidence of water leaks. 3.16 STORAGE STABILITYThe material shall

    21、be stored at temperatures bel ow 41 C away from allsources of heat and sunlight. Heat greatly accelerates aging. Theminimum shel f life will be 6 months if it is stored at 23 +/- 2 C.When the material is stored at room temperatures below 23 C, it shallbe condi tioned at room temperature 24 h prior t

    22、o application.Adequ ate conditioning permits the material to obtain its optimumapplication properties.3.17 RELEASE PAPERThe t ape sealer shall have a suitable release paper which shall bere adily removed, but shall not pull off in shipping and handling.There shall be no transfer of the release agent

    23、 to the tape after 6months of storage at 23 +/- 2 C.3.18 FUNCTIONAL APPROVALMaterials being evaluated for approval to this s pecification shall besubject ed to a production trial. Functional trial results must beapproved by the affected assembly operation and Design Engineering.Results shall be made

    24、 available to Materials Engineering prior tomaterial approval and release.ENGINEERING MATERIAL SPECIFICATIONWSB-M4G341-AWP 3948-b Page 5 of 73.19 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasorig

    25、inally 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 ability to meet the specificationrequir ements, the Supplier shall not

    26、ify 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 submitted with the request.Substance restrictions imposed by law, reg

    27、ulations or Ford, apply tothe materials addressed by this document. The restrictions aredefined in Engineering Material Specification WS S-M99P9999-A1, unlessa different suffix (e.g., A2 or A3) is specified on the engineeringdocument for the application.4. APPROVAL OF MATERIALSMat erials defined by

    28、this specification must have prior approval by theresponsible Materials Engineeri ng activity. Suppliers desiring approval ofthe ir materials shall first obtain an expression of interest from theaffec ted Purchasing, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit t

    29、o 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 nominal values), the material desi

    30、gnation 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 Engineeri

    31、ng Material ApprovedSource List.5. GENERAL INFORMATIONThe information below is provided for clarification and assistance inmeeting the requirements of this specification.5.1 COLOR Black or asspecified onengineering drawing5.2 DENSITY 1.0 g/cm3(Typical value for this type of material)5.3 CONSISTENCY

    32、8.0 mm(Typical value for this type of material)ENGINEERING MATERIAL SPECIFICATIONWSB-M4G341-AWP 3948-b Page 6 of 75.4 SUBSTRATES5.4.1 ESB-M2D348-A2 RIM (nominal thickness 3 mm). The substratessh ould include non-internal mold release RIM and internalmold release (IMR) RIM.5.4.2 ESB-M4D284-C4 (nomina

    33、l thickness 3 mm).5.4.3 ESB- M33J100-A (HS) - enameled steel panel, primed andenameled per minimum en gineering specification requirements,steel nominal thickness 0.89 mm.5.4.4 ESB-M33J3-A1/A2 (HS BC/ CC), enameled steel panel, primed andenameled per minimum en gineering specification requirements,steel nominal thickness 0.89 mm.ENGINEERING MATERIAL SPECIFICATIONWSB-M4G341-AWP 3948-b Page 7 of 7(NOT TO SCALE)


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