1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1986 04 23 CDQ1-DR536675 ReleasedWP 3948-a Page 1 of 2FABRIC, TEXTURED POLYESTER BACKING - ESB-M9H117-A3.8 OZ. LOCK STITCHED1. SCOPEThe material defined by this specification is a textured polyester
2、fabric, uniformly needled, or good commercial quality, thoroughly cleanedand free from waste.2. APPLICATIONThis specification was released originally for a backing material forDELTA ESB-M2F156-A seating vinyl on the 1986 carlines.3. REQUIREMENTS3.1 CONDITIONING AND TEST CONDITIONSAll test values ind
3、icated 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.3.1.1 STATISTICAL PROCESSSuppliers must conform to the requirements of Ford QualitySy
4、stem Standard Q-101. A mutually acceptable Control Planas described therein is required for material/sourceapproval. Appropriate statistical tools must be used toanalyze process/product data so that variation in the finalproduct is continuously reduced.3.2 COMPOSITION 100 % Textured Polyester Fiber(
5、ASTM D 629)LSL USL AVG3.3 CONSTRUCTION MD 21 25 23(ASTM D 231) AMD 35 41 383.4 WEIGHT, gms/m 2 122 135 129(FLTM BN 6-1)3.5 BREAKING STRENGTH, min MD 220 N - 299 N(ASTM D 1682 - Grab Method AMD 264 N - 387 N305 mm/min jaw speed)3.6 TEAR STRENGTH MD 53 N - 84 N(Trapezoid), min AMD 62 N - 97 N(FLTM BN
6、22-1)ENGINEERING MATERIAL SPECIFICATION ESB-M9H117-AWP 3948-b Page 2 of 23.7 STRETCH AND SET(FLTM BN 4-1, except use4.5 kg weight)Stretch MD 88 % 124 % 104 %AMD 60 % 101 % 78 %Set MD 0-25 % of stretch 15 %AMD 0-25 % of stretch 17 %3.8 SHRINKAGE, max MD - 2.0 % -(FLTM BN 5-1) AMD - 2.0 % -3.9 BURST S
7、TRENGTH, MPa, min 97MPa - 1.08MPa(ASTM D 231, avg of 5 tests)3.10 HUMIDITY AGINGAfter exposure for 7 days at 98 2% relative humidity,38 1 C, the construction shall show no evidence of mildew growth3.11 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inall char
8、acteristics to 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
9、 specificationrequirements, 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 r
10、equest.Substance restrictions 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 applicatio
11、n.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 expression of interest from theaffected Purchasing, Design and Materials Engineering activi
12、ty. Uponrequest, the 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.
