1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1986 05 21 CVR1-PF536961 Added 14 mm diameter cord as alternate1985 05 10 CLP1-DC528637 ReleasedWP 3948-a Page 1 of 3CORD, POLYESTER - BRAIDED ESB-M6H34-A1. SCOPEThe material defined by this specifi
2、cation is a round cord consisting ofa braided polyester jacket and filled with polyester fiber.2. APPLICATIONThis specification was released originally for material used as a softwelt, wrapped with cloth or leather sheath, for seat trim covers in 1986Mark VII and 1988 Lincoln Cartier vehicles.3. REQ
3、UIREMENTS3.1 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 constitute the reference standard and sh
4、all 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.3.2 CONDITIONINGAll test values indicated herein are based on material conditionedin a controlled atmosphere of
5、 23 2 C and 50 5% relativehumidity for 24 h prior to testing and tested underthe same controlled conditions.ENGINEERING MATERIAL SPECIFICATION ESB-M6H34-AWP 3948-b Page 2 of 33.3 CONSTRUCTION AND YARN DESCRIPTION(ASTM D 1244)4 mm Diameter* 14 mm Diameter*3.3.1 Diameter, mm, range 4.0 0.2 14.0 0.53.3
6、.2 Picks/cm, range 5.1 0.6 3.3 0.33.3.3 Filler Polyester, Polyester,0.33 - 0.44 tex 0.33 - 0.44 tex38 mm staple 38 mm staple3.3.4 BraidThe braid consists of 16 carriers (ends) 7.8 tex (texturedpolyester yarn).*Must be specified on North American Design (NAD) drawingand engineering master pattern.3.4
7、 YIELD, 10 % Tolerance 268 m/kg 26.2 m/kg3.5 BREAKING STRENGTH, N, min 356 150(ASTM D 1682 Grab Method,Avg. of 5 tests)3.5.1 Elongation at Break, 15 15%, min(ASTM D 1682,Grab Method, Avg. of5 tests) 3.6 FLAMMABILITY REQUIREMENTIn order to comply with Federal Motor Vehicle Safety Standard No.302, the
8、 materials, portions of components, and composites shallnot burn, or transmit a flame across its surface, at a rate of morethan 101 mm/min. To demonstrate compliance, the sample size andmethod of testing shall be in accordance with FLTM BN 24-2.3.7 FLAMMABILITY TEST PROGRAMMaterials, portions of com
9、ponents and composites governed by thisspecification must also comply with the requirements ofES-D3AB-11014-AA.ENGINEERING MATERIAL SPECIFICATION ESB-M6H34-AWP 3948-b Page 3 of 33.8 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inall characteristics to the m
10、aterial 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 specificationrequir
11、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, test samples and a new code identificationare to be submitted with the request.Substance res
12、trictions imposed by law, regulations or Ford, applyto the materials addressed by this document. The restrictions aredefined in Engineering Material Specification WSS-M99P9999-A1,unless a different suffix (e.g., A2 or A3) is specified on theengineering document for the application.4. APPROVAL OF MAT
13、ERIALSMaterials defined by this specification must have prior approval by theresponsible Materials Engineering activity. Suppliers desiring approvalof their materials shall first obtain an expression of interest from theaffected Purchasing, Design and Materials Engineering activity. Uponrequest, the
14、 Supplier shall submit to the affected Materials Engineeringactivity its own laboratory report to the specification (test results,not nominal values), the material designation and code number, and testspecimens for Ford evaluation. Upon approval, the material will be addedto the Engineering Material Approved Source List.
