1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1993 08 02 C10322320 Released N. KomatsuWP 3948-a Page 1 of 3 FABRIC, BACKING, POLYESTER, KNITTED, 65 g/m2 WSD-M9H111-B1. SCOPEThe mate rial defined by this specification is a warp knitted polyester
2、fabric.2. APPLICATIONThis s pecification was released originally for material used as a backingfabric for the flame laminated DBR fabrics to polyether foam.3. REQUIREMENTSIn addit ion to the requirements listed herein, this fabric shall providesati sfactory performance for textile trilamination when
3、 tested inaccordance with WSB-M8P1-H.3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality 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 proces
4、s/product data sothat variation in the final product is continuously reduced.3.2 INFRARED SPECTROPHOTOMETRY AND/OR THERMAL 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 establish
5、ed 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 spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.3 CONDITIONING AND TEST CONDITIONSAll
6、 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 prior to testing and tested under thesame conditions unless otherwise specified.ENGINEERING MATERIAL SPECIFICATIONWSD-M9H111-BWP 3948-b Pag
7、e 2 of 3 3.4 FABRIC CONSTRUCTION, min(ASTM D 3887)Wales 110 per 10 cmCourses 140 per 10 cm3.5 COMPOSITION 100 % polyester(ASTM D 629)3.6 YARN CONSTRUCTION(ASTM D 1244)No. 1 and No. 2 Bar 50 dtex x f 18 - 22(polyester)3.7 WEIGHT, range 65 - 75 g/m2(FLTM BN 106-01)3.8 TENSILE STRENGTH, min(ASTM D 1682
8、, GT Method, 300 mm/minute,average of 5 samples each direction)Wales 175 NCourses 175 N3.9 ADDITIONAL REQUIREMENTSSpecific requirements for material and/or manufa ctured parts shall bespecified on the Engineering drawing, Engineerin g parts specificationand/or performance specifications. All critica
9、l areas with respect tothese properties shall be clearly designated on the engineeringdrawing.3.10 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 t
10、he 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 the specificationrequir ements, the Supplier shall notify Purchasing, Toxicology andthe affected Mate
11、rials 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 the request.Substance restrictions imposed by law, regulations or Ford, apply tothe materials address
12、ed by this document. The restrictions aredefined in Engineering Material Specification WSS-M99P9999-A1.ENGINEERING MATERIAL SPECIFICATIONWSD-M9H111-BWP 3948-b Page 3 of 3 4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri n
13、g activity. Suppliers desiring 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 t
14、est 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 Ford evaluation. Fords engineering
15、 approval of amateri al will be based on its performance to this specification and on anassessment of suitability for i ntended processes and/or applications. Uponapprov al, the material will be added to the Engineering Material ApprovedSource List.5. GENERAL INFORMATIONThe information given below is provided for clarification and assistancein meeting the requirements of this specification.5.1 KNITTING SPECIFICATION CHAINSNo. 1 Bar 1 - 0/3 - 4No. 2 Bar 1 - 0/0 - 1
