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    FORD ESK-M3G157-A-1987 TAPE POLYTETRAFLUOROETHYLENE ONE SIDE PRESSURE SENSITIVE《聚四氟乙烯单面压敏胶带》.pdf

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    FORD ESK-M3G157-A-1987 TAPE POLYTETRAFLUOROETHYLENE ONE SIDE PRESSURE SENSITIVE《聚四氟乙烯单面压敏胶带》.pdf

    1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1987 04 15 SM/EQ5689TP ReleasedWP 3948-a Page 1 of 5 TAPE, POLYTETRAFLUOROETHYLENE - ESK-M3G157-AONE SIDE - PRESSURE SENSITIVE1. SCOPEThe material defined by this specification is a one side pressur

    2、e sensitivepolyt etrafluoroethylene tape. The adhesive side has a special surfacetre atment and is protected with a creped PVC film, unless otherwisespecified.2. APPLICATIONThis specification was released originally for material used on enginemount support to obviate squeak noise.3. REQUIREMENTS3.1

    3、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 analyze process/product data sothat variation in the fi

    4、nal 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 thermograms established for i nitial approval shallconst itute

    5、 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.ENGINEERING MATERIAL SPECIFICATIONESK-M3G157-AWP 3948-b Page 2 of 5 3.3 CONDITIO

    6、NING AND TEST 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 THICKNESS (without liner), m

    7、m 0,13 +/- 0,01(ASTM D 1000)3.5 ADHESIVE THICKNESS, mm 0,06 +/- 0,01(ASTM D 1000)3.6 LINEAR REMOVALThe release paper must remove easily without tea ring both as receivedand after storage.3.7 TENSILE STRENGTH(ASTM D 412, Die “C“, test speed 500 mm/min)3.7.1 Original, N/cm2, min. 25003.7.2 After Agein

    8、g, N/cm2, min. 2400(70 h at 100 +/- 2 C)3.7.3 After Water Immersion, N/cm2, min. 2300(24 h in distilled water of 23 +/- 2 C)The specimens are to be tested immediately after removal fromwater i mmersion. They may be lightly blotted but notsqueezed dry.3.8 ELONGATION(ASTM D 412, Die “C“, test speed 50

    9、0 mm/min)3.8.1 Original, %, min. 2403.8.2 After Ageing, %, min. 180(70 h at 100 +/- 2 C)3.8.3 After Water Immersion, %, min. 240(For Test Method see 3.7.3)3.9 TEAR STRENGTH(ASTM D 624, Die “B“, test speed 500 mm/min)3.9.1 Original, N/cm, min. 6503.9.2 After Ageing, N/cm, min. 700(70 h at 100 +/- 2 C

    10、)ENGINEERING MATERIAL SPECIFICATIONESK-M3G157-AWP 3948-b Page 3 of 5 3.9.3 After Water Immersion, N/cm, min. 650(For Test Method see 3.7.3)3.10 SHEAR ADHESIONTest MethodBond PTFE-tape after removal of release sheet to test panels enameledwith black paint accord ing to specification SS-M2P9552-A and

    11、roll onaccording to ASTM D 1000 three times with a 2 kg roller (Fig. 1).After 24 h conditioning at room temperature, exp ose test specimens tofol lowing environments. After completion of exposure, measure theshea r adhesion in a tensile tester at a jaw separation rate of 25mm/min:3.10.1 Original3.10

    12、.1.1 Measured at 23 +/- 2 C,N/cm2, min. 183.10.1.2 Measured at 90 +/- 2 C*,N/cm2, min. 63.10.1.3 Measured at -40 +/- 1 C*,N/cm2, min. 32*(30 min conditioning time up to measuring)3.10.2 After Heat Ageing, N/cm2, min. 17(14 d at 70 +/- 2 C, 1 h at 23 +/- 2 C)3.10.3 After Humidity Ageing, N/cm2, min.

    13、18(14 d at 38 +/- 1 C and 98 +/- 2 %relative humidity, 1 h at 23 +/- 2 C)3.10.4 After Environmental Cycling, N/cm2, min. 16(10 cycles, with one cycle consisting of4 h at -40 +/- 1 C; 4 h at 80 +/- 2 C &16 h at 38 +/- 1 C and 98 +/- 2 % relativehumidity, 1 h at 23 +/- 2 C)3.11 PEEL STRENGTH, N/cm wid

    14、th, min.(ASTM D 1000, Method A, test on test panels with black paintaccording to specification SS-M2P9552-A, bonding area 300 x 27 mm,test speed 300 mm/min)a) 1 h after bonding and 4,0b) 14 d at 70 C, 1 h at 23 +/- 2 C 3,8ENGINEERING MATERIAL SPECIFICATIONESK-M3G157-AWP 3948-b Page 4 of 5 3.12 SOFTE

    15、NING POINTAt 2,25 N applied force, min. 80 CTest MethodASTM D 816, except use test specimens per clause 3.10. Maintain oventemperature at 50 C for 15 min and then increase by 2,5 C/5 min untilbond failure.3.13 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent in

    16、al l characteristics to the material upon which approval wasoriginally granted.Pr ior to making any changes in the properties, composition,co nstruction, color, processing or labelling of the materialorig inally approved under this specification, whether or not suchchange s affect the materials abil

    17、ity 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 sub

    18、mitted 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 different suffix (e.g., A2 or A3) is specified on the engineeringdocument f

    19、or the application.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 obtain an expression of interest from theaffec ted Purchasing, Design and Materia

    20、ls Engineering activity. Uponrequest, the supplier shall submit to the affected Materials Engineeringactivity its own laboratory rep ort to the specification (test results, notnominal values), the material designation and code number, and testspecim ens for Ford evaluation. Upon approval, the material will be addedto the Engineering Materials Approved Source List.5. GENERAL INFORMATION5.1 STORAGE STABILITY(from data of receipt at FMC)Minimum 12 months when stored at temperatures below 30 C.ENGINEERING MATERIAL SPECIFICATIONESK-M3G157-AWP 3948-b Page 5 of 5


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