1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1995 01 03 EP00E10460355000 Completely Revised L. Rodigas1989 11 23 SM/EQ6050 TP Released L. RodigasWP 3948-a Page 1 of 7 THERMOPLASTIC POLYOLEFIN ELASTOMER (TEO) WSK-M4D714-A27 % MINERAL FILLED, COLOR PIGM
2、ENTEDINTERIOR1. SCOPEThe materials defined by this specification are mineral (talc) filled,rigid, black and colored thermoplastic polyolefin elastomer (TEO) injectionmolding compounds.2. APPLICATIONThis specification was released originally for material used for variousinterior applications, e.g. in
3、strument panels.3. REQUIREMENTS3.1 STATISTICAL PROCESSSuppliers must conform to the requirements of Ford Quality 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
4、 data sothat variation in the final product is continuously reduced.3.1.1 All requirements of this specification, identified by symbol(s), shall be met with data representing 3 sigma values.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared
5、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 laboratory. All samples shall produce IR spectraand thermograms that corr
6、espond 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 % relativehumidity for not less than 48 h prior to testing and tested unde
7、r thesame conditions unless otherwise specified.NOT TO BE USED FOR NEW DESIGN 2011 N Status No Replacement Named A. Pan, APAENGINEERING MATERIAL SPECIFICATIONWSK-M4D714-AWP 3948-b Page 2 of 7 3.4 MOLDING COMPOUND(s) 3.4.1 Melt Flow Rate 6 - 10 g/10 minutes(ISO 1133/ASTM D 1238,230 C, 2.16 kg)(s) 3.4
8、.2 Filler Content 25 - 29 %(ISO 3451/1, Method A, talc filler3 h at 650 +/- 25 C, test portion1 to 2 g)3.5 MOLDED TEST SPECIMEN3.5.1 Preparation of Test SpecimensUnless otherwise specified all tests shall be carried out oninjection molded one-end gated test specimens.The following dimensions are req
9、uired:A. 150 min x 10 x 4.0 +/- 0.2 mm (Tensile Bar, ISO 3167)B. 120 x 10 x 4.0 +/- 0.2 mmSpecimens with shorter dimensions shall be cut from thecenter portion of the test specimen A and/or B. Thespecimens shall be prepared according to ISO 294. Noannealing allowed.3.5.2 Density 1.08 - 1.135 g/cm3(I
10、SO 1183, Method A)3.5.3 Hardness Durometer D 56 - 60(ISO 868, 15 s dwell)(s) 3.5.4 Tensile Strength at Yield, min 18 MPa(ISO R 527, 150 minimum x 10 x 4.0 +/- 0.2 mm specimen, 50 mm/min test speed)(s) 3.5.5 Flexural Modulus, min 1.8 GPa(ISO 178, 80 x 10 x 4.0 +/- 0.2 mmspecimen, 64 mm support span)3
11、.5.6 Shear Modulus at 23 C 870 - 1450 MPa(ASTM D 4065, forced constant amplitude, fixed frequency of 1 Hz +/- 15 %, strain level below 1 %. Specimen approx. 60 x 10 x 4.0 +/- 0.2 mm cut from the center of specimen A. Specimen length between clamps 35-40 mm. Soak time at each temperature interval - 3
12、 minutes minimum)ENGINEERING MATERIAL SPECIFICATIONWSK-M4D714-AWP 3948-b Page 3 of 7 Additionally, a Shear Modulus vs. Temperature curve shall beplotted for - 50 to + 150 C temperature range, at 5 C minimumintervals. The plotted curve must be within tolerance rangeshown on page 7.(s) 3.5.7 Impact St
13、rength, Izod, min(ISO 180/1A, 80 x 10 x 4.0 +/- 0.2 mm specimen, 10 specimens for each test)3.5.7.1 At 23 +/- 2 C 12 kJ/m23.5.7.2 At - 40 +/- 2 C 2.1 kJ/m23.5.7.3 At 10 +/- 2 C 6.5 kJ/m2The test specimens must be conditioned for minimumof 6 h at the above specified temperature prior toimpact test. L
14、ow temperature testing shall be donewithin the cold box, if not possible, test can beconducted outside, but within 5 s.(s) 3.5.8 Heat Deflection Temperature, min(ISO 75, 120 x 10 x 4.0 +/- 0.2 mm specimen, edgewise,0.32 +/- 0.01 mm deflection)3.5.8.1 At 1.80 MPa 52 C3.5.8.2 At 0.45 MPa 95 C3.5.9 Hea
15、t Aging Performance(ISO 188, except 150 +/- 50 air changes/h,1000 h at 120 +/- 2 C. Unaged property values shall be determined at the time of the aged properties determination)3.5.9.1 Tensile Strength at YieldChange +/- 15 %(Test Method per para 3.5.4)3.5.9.2 Impact Strength, Izod Change, max - 15 %
16、(Test Method per para 3.5.7.1,specimens to be notched beforeheat aging)3.6 FOGGING(FLTM BO 116-03, 3 h at 100 C heating,21 C cooling plate)Fog Number, min 90Formation of excessive amounts of clear film, droplets or crystals iscause for rejection.ENGINEERING MATERIAL SPECIFICATIONWSK-M4D714-AWP 3948-
17、b Page 4 of 7 3.7 FLAMMABILITY(ISO 3795)Burn Rate, max 100 mm/minuteThe specimen size required for material approval is 355 x 100 x 1.0+/- 0.1 mm with a smooth surface.3.8 WEATHERING RESISTANCEAfter exposure in accordance with 3.8.1 and 3.8.2 the material shallshow no fading or color change in exces
18、s of specified AATCC rating(AATCC Gray Scale for Evaluating Change in Color, 10 step).In addition, there shall be no cracking, crazing or otherdeterioration.A slight loss of gloss or chalking will be allowed provided anacceptable appearance can be achieved by washing with mild detergentsand water (r
19、atio 5:95 by volume), or equivalent, after the Floridaexposure.All initial approvals will be based on the preliminary Weatherometerexposure, pending Florida exposure results for final approval.3.8.1 Xenon Arc Weatherometer Rating 4-5(SAE J1885, 1240 kJ/m2 exposure minimum, specimen size: 150 x 100 m
20、m minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold)3.8.2 12 months Florida Rating 4-5(FLTM BI 160-01, 5 deg south,under glass, specimen size:150 x 100 mm, minimum, 3.2 +/- 0.2 mm thick, molded in smooth polished mold)3.9 RESISTANCE TO SCRATCHING(FLTM BN 108-13, grain: Cordwain, Lynxand/
21、or equivalents, 1 mm scratch balls,instrumental evaluation of 3.0 Nscratch mark)Percentage of marking, max 423.10 ADDITIONAL REQUIREMENTSSpecific requirements for material and/or manufactured parts shall bespecified on the Engineering drawing, Engineering parts specificationand/or performance specif
22、ication. All critical areas with respect tothese properties shall be clearly designated on the engineeringdrawing.ENGINEERING MATERIAL SPECIFICATIONWSK-M4D714-AWP 3948-b Page 5 of 7 3.11 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inall characteristics to
23、the material upon which approval wasoriginally granted.Prior to making any change in the properties, composition,construction, color, processing or labeling of the materialoriginally approved under this specification, whether or not suchchanges affect the materials ability to meet the specificationr
24、equirements, 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, test samples and a new code identification areto be submitted with the request.Substanc
25、e 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 OF MATERIALSMaterials defined by this specification must have prior approval by theresponsible Material
26、s Engineering activity. Suppliers desiring approvalof their materials shall first obtain an expression of interest from theaffected Purchasing, Design and Materials Engineering activity. Uponrequest, the Supplier shall submit to the affected Materials Engineeringactivity a completed copy of their la
27、boratory test reports, signed by aqualified and authorized representative of the test facility, demonstratingfull compliance with all the requirements of this specification (testresults, not nominal values), the material designation and code number, andtest specimens for Ford evaluation. Fords engin
28、eering approval of amaterial will be based on its performance to this specification and on anassessment of suitability for intended processes and/or applications. Uponapproval, the material will be added to the Engineering Material ApprovedSource List.5. GENERAL INFORMATIONThe information below is p
29、rovided for clarification and assistance inmeeting the requirements to the specification.5.1 COEFFICIENT OF LINEAR THERMAL EXPANSION 3-8E-5/ C(ASTM E 831 TMA, temperature range20 - 100 C)5.2 MOLD SHRINKAGE(ISO 2577, approx. 150 x 100 x 3.2 +/- 0.2 mminjection molded specimen)5.2.1 Molding Shrinkage.
30、 After 48 h at 23 +/- 2 C 0.5 - 1.2 %ENGINEERING MATERIAL SPECIFICATIONWSK-M4D714-AWP 3948-b Page 6 of 7 5.2.2 Post Shrinkage(Separate specimens required foreach test). After 48 h at 80 C 0.0 - 0.2 %. After 30 minutes at 120 C 0.1 - 0.3 %5.3 GLOSS(FLTM BI 110-01)5 measurements minimum on grainedsurf
31、aces, grain: Cordwain and/orequivalentGloss Level, max as specified by Design activity5.4 USE OF REGRIND MATERIAL(Property values of regrind material shall be compared with originalvirgin material. Regrind: compound of 20 weight % regrind based onsingle reprocessed material, free of contaminations,
32、and 80 weight %virgin material)5.4.1 Melt Flow Rate Change, max + 30 %(Test method per para 3.4.1)5.4.2 Tensile Strength at Yield Change +/- 10 %(Test method per para 3.5.4)5.4.3 Flexural Modulus, Change +/- 10 %(Test method per para 3.5.5)5.4.4 Impact Strength, Izod Change, max - 10 %(Test method p
33、er para 3.5.7.1)5.4.5 Heat Deflection Temperature Change +/- 10 %(Test method per para 3.5.8.1)5.4.6 Weathering Resistance5.4.6.1 Xenon Arc Weatherometer Rating 4-5(Test method per para 3.8.1)5.4.6.2 12 Months Florida TBD(Test method per para 3.8.2)5.4.7 Resistance to Scratching(Test method per para 3.9)Percentage of marking, Change, max + 10 %5.5 RECYCLING CODEPP+EPDM-TD27ENGINEERING MATERIAL SPECIFICATIONWSK-M4D714-AWP 3948-b Page 7 of 7
