1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes/Revisions1999 05 21 Activated L. Daniv-ZarewychWP 3948-a Page 1 of 6FABRIC, POLYESTER, NONWOVEN, FLAT NEEDLED, WSS-M5H20-B2HEAT FUSED1. SCOPEThe material defined by this specification is a flat needled nonwovenp
2、olyester fabric with a heat activated binder fiber2. APPLICATIONThe specification was released ori ginally for material used as a covermaterial for headliners and sunvisors.3. REQUIREMENTSIn addition to the requirements listed herein, the material when used ina unitized headliner assembly, or bonded
3、 to any substrate, shall alsomeet the requirements of WSS-M15P27-D, when tested as an assembly. Anyother applications of this material would require prior approval ofMaterials Engineering.3.1 QUALITY SYSTEM REQUIREMENTSMaterial suppliers and part producers must conform to QualitySystem Requirements,
4、 QS-9000. Material specification requirementsare to be used for initial qualification of materials. A ControlPlan for ongoing production verification is required. This planmust be reviewed and approved by the relevant Ford Materialsactivity and/or Ford Supplier Technical Assistance (STA) prior topro
5、duction parts submission. Appropriate statistical tools mustbe used to analyze process/product data and assure consistentprocessing of the materials.Part producers using this material in th eir products, must useFord approved materials and must conform to a process control planwhich has been approve
6、d by STA and/or the relevant MaterialsActivity.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specification.The IR spectra and thermograms established for initial approvalshall co
7、nstitute the reference standard and shall be kept on fileat the designated material laboratory. All samples shall produceIR spectra and thermograms that correspond to the referencestandard when tested under the same conditions.ENGINEERING MATERIAL SPECIFICATIONWSS-M5H20-B2WP 3948-b Page 2 of 63.3 CO
8、NDITIONING AND TEST CONDITIONSAll test values indicated herein are based on material conditionedin a controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relativehumidity for not less than 24 h prior to testing and tested underthe same conditions unless otherwise specified.3.4 APPEARANCE(FLTM BI 109-0
9、1)The color, pattern, and finish shall match the approved DesignCenter master sample, or shall be specified on the engineeringdrawing.3.5 COMPOSITION(ASTM D 276)Fabric 100 % Polyesterwith HeatFusible BinderFiber3.6 FABRIC REQUIREMENTS3.6.1 Fiber Description 100 % 3.5 dtexand Construction polyester(A
10、STM D 1244)3.6.2 Weight, range(FLTM BN 106-01)Fiber 170 - 230 g/m2Total 170 - 230 g/m23.6.3 Method of Dyeing Solution Dyed3.6.4 Thickness, range 1.65 - 2.15 mm(SAE J882)3.6.5 Tear Strength, trapezoid, min(ASTM D 5733, Integrationmethod)MD AMD90 N 110 NENGINEERING MATERIAL SPECIFICATIONWSS-M5H20-B2WP
11、 3948-b Page 3 of 63.6.6 Breaking StrengthMaterials must meet the original breaking strength andaged breaking strength as specified below.MD AMDOriginal Breaking Strength, N, min 310 490(ASTM D 5034, Grab Method,305 mm/minute jaw speed, average of5 samples, each direction)After Aging, RetainedStreng
12、th, %, min(FLTM BN 117-03, Method Aand SAE J1885)112.8 kJ/m2 40 % 40 %225.6 kJ/m2 30 % 30 %3.6.7 Elongation at 110 N load, range(ASTM D 5034, grab method,305 mm/minute jaw speed)MD AMD25 +/- 10 % 25 +/- 10 %3.6.8 Resistance to Heat Aging Rating 4(7 days at 90 +/- 2 C)The test specimen must not show
13、any change of color inexcess of above rating when examined per ISO-A02/AATCCEvaluation Procedure 1. Any spotty or non-uniformstaining or discoloration shall be cause for rejection.The sample must not present any unpleasant odor whenhot.3.6.9 Heat Shrinkage, max 1.0 %(FLTM BN 105-01, exceptinstead of
14、 water, exposesample to 7 days at 100 +/- 2C)3.6.10 Odor Rating 2(FLTM BO 131-01)ENGINEERING MATERIAL SPECIFICATIONWSS-M5H20-B2WP 3948-b Page 4 of 63.6.11 Resistance to MildewThe material shall exhibit no visual evidence of mildewgrowth and/or objectionable odor after 7 days exposurein a humidity ca
15、binet at 38 +/- 2 C and 98 +/- 2 %relative humidity.3.6.12 Resistance to Abrasion 150 cycles(SAE J948, 500 g, CS-10 wheels)No evi dence of excessive surface deterioration. Theresistance to abrasion of production materials shallequal to or better than that exhibited by the sampleoriginally approved b
16、y Materials Engineering.3.6.13 Resistance to Snagging 40 cycles(SAE J948, Taber Method,250 g load, H-10 wheels)3.6.14 Resistance to Scuffing 25 cycles(SAE J365)No evidence of excessive surface deterioration. Theresistance to scuffing of production materials shall beequal to or better than that exhib
17、ited by the sampleoriginally approved by Materials Engineering.3.6.15 Fogging(SAE J1756, 3 h at 100 C heating,21 C cooling plate, post testconditioning 1 and 16 h)Fog Number, min 70Formation of clear film, droplets or crystals is causefor rejection.3.6.16 Resistance to Fade(SAE J1885, ISO 105-A02/AA
18、TCC Evaluation Procedure1)112.8 kJ/m2 Rating 4225.6 kJ/m2 Rating 33.6.17 Resistance to Crocking(FLTM BN 107-01, AATCCEvaluation Procedure 3)D ry, min Rating 4Wet, min Rating 4ENGINEERING MATERIAL SPECIFICATIONWSS-M5H20-B2WP 3948-b Page 5 of 63.6.18 Resistance to Bleeding, min Rating 4(FLTM AN 101-01
19、, AATCC EvaluationProcedure 3)3.6.19 Resistance to Water Spotting(FLTM AN 101-01)No spots shall remain after the distilled water hascompletely dried off.3.6.20 Soiling and Cleanability of Cloth, min(FLTM BN 112-08)After cleaning Rating 3Marks with a charcoal pencil must be easily removedusing Motorc
20、raft Upholstery Cleaner to PartNo. A830X 19526 BA without serious damage to the facefabric.The performance of production material shall be equal toor better than that exhibited by the sample originallyapproved for production by Materials Engineering.3.6.21 FLAMMABILITY(ISO 3795/SAE J369)Burn Rate, m
21、ax 100 mm/minute3.7 ADDITIONAL REQUIREMENTSSpecific requirements for material and/or manufactured parts shallbe specified on the Engineering drawing, Engineering partsspecification and/or performance specification. All criticalareas with respect to these properties shall be clearly designatedon the
22、engineering drawing.ENGINEERING MATERIAL SPECIFICATIONWSS-M5H20-B2WP 3948-b Page 6 of 63.8 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inall characteristics to the material upon which approval wasoriginally granted.Prior to making any change in the propert
23、ies, composition,construction, color, processing or labeling of the materialoriginally approved under this specification, whether or not suchchanges affect the materials ability to meet the specificationrequirements, the Supplier shall notify Purchasing, Toxicology andthe affected Materials Engineer
24、ing 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.Substance restrictions imposed by law, regulations or Ford, applyto the materials addressed by this docu
25、ment. The regulations aredefined in Engineering Materials Specification WSS-M99P9999-A1.4. APPROVAL OF MATERIALSMaterials defined by this specification must have prior approval by theresponsible Materials Engineering activity. Suppliers desiring approvalof their materials shall first obtain an expre
26、ssion 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 laboratory test reports, signed by aqualified and authorized representative of the test facility,de
27、monstrating full compliance with all the requirements of thisspecification (test results, not nominal values), the materialdesignation and code number, and test specimens for Ford evaluation.Fords engineering approval of a material will be based on itsperformance to this specification and on an assessment of suitabilityfor intended processes and/or applications. Upon approval, the materialwill be added to the Engineering Material Approved Source List.
