1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1995 03 27 Revised B.H. Chen L.A. Graham1982 08 19 Released B3D-3261/CDMI-DR-593921-1 BCF TJWWP 3948-a Page 1 of 3 SHEETING, WOVEN POLYESTER - HEAT SET ESB-M9H108-A98 X 55/100 mm COUNT1. SCOPEThe ma terial define
2、d by this specification is a woven polyester fabric ofgood quality and uniform composition.2. APPLICATIONThis s pecification was released originally for material used as a supportfabric, to be laminated to foam, for the fabrication of pleated seatcushio ns and seat back trim covers of 1983 vehicles.
3、 This material mustalways be bonded 100 % to a substrate material to form a composite, and thecomposite must comply with applicable flammability requirements.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality SystemStand ard Q-101. A mutually acceptable
4、 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 THERMAL ANALYSISFord Motor Company, at its option
5、, 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 laboratory. All samples sha ll produce IR spect
6、raand 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 control led atmosphere of 23 +/- 2 C and 50 +/- 5 % relativehumidity for not less than 24 h pri
7、or to testing and tested under thesame conditions unless otherwise specified.3.4 CONSTRUCTION, minus 4 % tolerance 102 ends/100 mm(ASTM D 3775) 55 picks/100 mmENGINEERING MATERIAL SPECIFICATIONESB-M9H108-AWP 3948-b Page 2 of 3 3.5 COMPOSITION 100 % polyester(ASTM D 629)3.6 WEAVE Plain3.7 FINISH Heat
8、 Set3.8 YARN SIZE AND DESCRIPTION(ASTM D 1244)Warp 26.8 tex Z 648.5 tpm (polyester, 1.9 dtex 38 mmstaple)Fill 39.4 tex Z 548.4 tpm (polyester, 1.9 dtex 38 mmstaple)3.9 WEIGHT, min 44 g/m2(FLTM BN 106-01)3.10 BREAKING STRENGTH, min(ASTM D 5034, Grab Method)Warp 155 NFilling 130 N3.11 TRAP TEAR, min(A
9、STM D 1117, Integration Method*)Warp and Filling 45 N*As approved by the Materials Engineering Activity3.12 STRETCH AND SET, %, max(SAE J855)Stretch SetWarp 6 2Filling 8 43.13 FLAMMABILITY(ISO 3795/SAE J369)Burn Rate, max 100 mm/minuteNote: Not required on the face fabric when used as a fully bonded
10、composite.3.14 FOGGING(FLTM BO 116-03)Fog Number, min 60Formati on of a clear film, droplets or crystals is cause forrejection.ENGINEERING MATERIAL SPECIFICATIONESB-M9H108-AWP 3948-b Page 3 of 3 3.15 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l chara
11、cteristics to the material upon which approval wasoriginally 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
12、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 submitted with
13、the request.Substance 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 MATERIALSMat erials defined by this specification must have prior approval by th
14、eresp onsible Materials Engineering activity. Suppliers desiring approvalof thei r 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 co
15、mpleted 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 designation a nd code number, andtes t specimens for
16、Ford evaluation. Fords engineering approval of amateri al will be based on its performance to this specification and on anassessment of suitability for intended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.5. GENERAL INFORMA
17、TIONThis data is included for information only and is not a requirement.This construction is similar to ESB-M9H92-A polyester sh eeting, and is usedas a laminate in the manufacture of fabric reinforced slab polyurethanefoam, LESB-M17H93-C, LESB-M17H129-B and LESB-M4D113-C. This materialconforms to FMVSS 302 flammability requirements when tes ted as a composite,with the foam.
