1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1991 05 03 NB00I10043054078 Released G.E. Hess B.C. FernsWP 3948-a Page 1 of 5 CARPET, POLYESTER, RANDOM VELOUR, NEEDLED, ESB-M3H87-CLATEX BACKCOATED, 407 g/m21. SCOPEThe material defined by this sp
2、ecification is a random velour, needled,non-wov en carpet of good quality and uniform composition. The carpet isthen coated with a latex backcoating.2. APPLICATIONThis specification was released originally for material used as a door trimcover on the 1992 Econoline.3. REQUIREMENTSIn addition to the
3、requirements listed herein, the end-i tem carpet assembly(m olded or otherwise fabricated), shall meet all the applicablerequirements of ESB-M15P4-D per formance specification for door and quarterpanel trim assemblies.3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality
4、 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 final product is continuously reduced.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THER
5、MAL 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 the reference standard and shall be kept on file at thedesignated material la
6、boratory. All samples sha ll 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 ma terial conditioned ina c ontrolled atmosphere of 23 +/- 2 EC and 50 +/- 5
7、 % relativehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.ENGINEERING MATERIAL SPECIFICATIONESB-M3H87-CWP 3948-b Page 2 of 5 3.4 SAMPLE SELECTIONAll evaluations shall be conducted of test specimens taken fromproduction representative m
8、olded carpet assemblies. Test specimensfor strength properties shall be taken from molded or stressed areasor the carpet assembly.3.5 FOGGING(FLTM BO 116-03, 3 h at 100 C)Fog Number, min 60Formation of excessive amounts of clear film or droplets is cause forrejection.3.6 APPEARANCE(FLTM BN 109-01)Th
9、e color, pattern and finish shall match the approved Design Centermaster sample, or shall be as specified on the engineering drawing.3.7 COMPOSITION(ASTM D 276)Fiber 100 % PolyesterBackcoating Synthetic Latex3.8 METHOD OF DYEING Stock dyed orequivalent3.9 CONSTRUCTION3.9.1 Fiber Size & Description 1
10、3 - 18 dtex(ASTM D 1244)3.9.2 Pile Height, min 3.5 mm(ASTM D 418)3.10 WEIGHT, Range, (FLTM BN 106-01)Pile Fiber 407 - 475 g/m2Backcoating 100 - 130 g/m2Total 507 - 605 g/m2ENGINEERING MATERIAL SPECIFICATIONESB-M3H87-CWP 3948-b Page 3 of 5 3.11 PHYSICAL PROPERTIES3.11.1 Heat Shrinkage, max 1.0 %(FLTM
11、 BN 105-01, both directions, exceptinstead of water, expose sample to 7days at 82 C)3.11.2 Dimensional Stability, max 1.0 %(FLTM BN 105-03, 4 days, both directions)3.11.3 Breaking Strength, min, (ASTM D 1682, Grab Method)MD & AMD 500 N3.11.4 Trapezoidal Tear, min, (FLTM BN 122-01)MD & AMD 75 N3.12 W
12、EAR PROPERTIES3.12.1 Abrasion, min(SAE J1530, H-10 wheels, 500 g load)Original 1200 cyclesAged 225.6 kJ/m2 1000 cycles(SAE J1885)The material shall exhibit no evidence of excessivepe netration to the foundation of the pile fibers in theabraded area. Production material shall be equal to or bettertha
13、n that exhibited by the Carpet Proposal approved forproduction by the Interior Materials Engineering Section.3.12.2 Resistance to Bearding, Pilling, and Frosting, min(FLTM BN 108-09, 0.7 kg load)Original 25 cyclesTesting shall be conducted in both the MD and AM D directions.The resistance to beardin
14、g, pilling, and frostin g of approvedproduc tion carpet shall be equal to that exhibited by theCa rpet Proposal as approved for production by the InteriorMaterials Engineering Section.ENGINEERING MATERIAL SPECIFICATIONESB-M3H87-CWP 3948-b Page 4 of 5 3.13 APPEARANCE PROPERTIES3.13.1 Resistance to Fa
15、de, min(SAE J1885 and AATCC Evaluation Procedure 1)Xenon Arc Exposure Rating 3225.6 kJ/m2The mate rial shall be rated after exposure using the AATCCGray Scale for Evaluating Change in Color (10 Step).Production materials sh all exhibit fade resistance qualitiesequal to or better than the Master Samp
16、le approved forproduction by the Interior Materials Engineering Section.3.13.2 Fiber DeteriorationNo excessive deterioration of fibers or yarns af ter the abovexenon arc exposure. The resistance to deterioration ofproduc tion material shall be equal to or better than thatexhib ited by the master sam
17、ple approved by the InteriorMaterials Engineering Section.Test Method: Firmly apply a piece of 3Ms Highla nd Brand 6200Permanent Mending Tape to the surface of the exposed fabric(yarn). Then rapidly s trip the tape and mount it on a sheetof light or dark cardst ock which contrasts with the color oft
18、he fiber. Repeat the test with a new piece of tape on aunexp osed sample and compare the length and quantity offibers removed by the t ape. Report fiber deterioration if asi gnificantly larger number of fibers (usually of shorterlengths) are removed from the exposed versus unexposedsample.3.13.3 Hea
19、t Aging, min Rating 4.5(7 days at 102 C and AATCCEvaluation Procedure 1)No i ndividual yarn or combination of yarns shall exhibitfib er degradation or color tone change. Backcoatings, ifapplied, shall exhibit no color change or degradation.3.13.4 Bleeding and Perspiration, min Rating 4.0(FLTM AN 101
20、-01 and AATCCEvaluation Procedure 3)Compa red to the AATCC Chromatic Transference Scale (latestedition).3.13.5 Dry and Wet Crocking, min Rating 4.0(FLTM BN 107-01 and AATCCEvaluation Procedure 3)ENGINEERING MATERIAL SPECIFICATIONESB-M3H87-CWP 3948-b Page 5 of 5 3.14 FLAMMABILITY(ISO 3795/SAE J369)Bu
21、rn Rate, max 100 mm/minute3.15 ADDITIONAL REQUIREMENTSSpecific requirements for material and/or manufa ctured parts shall bespecified on the Engineering drawing, Engineerin g parts specificationand/or performance specifications. All critical areas with respect tothese properties shall be clearly des
22、ignated on the engineeringdrawing.3.16 SUPPLIERS RESPONSIBILITYAll 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,construction, color, processing
23、or labeling of the material originallyapproved under this specification, whether or no t such changes affectthe materials ability to meet the specification requirements, theSuppl ier shall notify Purchasing, Toxicology and the affectedMaterials Engineering activity of the proposed c hanges and obtai
24、n thewritten approval of the Materials Engineering activity. Test data,test samples and a new code identification are to be submitted withthe request.Substance restrictions imposed by law, regulations or Ford, apply tothe materials addressed by this document. The restrictions aredefined in Engineeri
25、ng 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 this specification must have prior approval by theresponsible Materials Engineeri ng activity. Suppliers des
26、iring 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 to the affected Materials Engineeringactivity a completed copy of their laboratory test reports, signed by aq
27、ualified and authorized representative of the test faci lity, demonstratingful l compliance with all the requirements of this specification (testresults, not nominal values), the material designation a nd code number, andtest specimens for Ford evaluation. In addition to meeti ng the requirementsof thi s specification, the materials will be assessed for suitability forintended applications as part o f the approval process. Upon approval, thematerial will be added to the Engineering Material Approved Source List.
