1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1990-11-02 EP00E01031041000 Released KW conc. J.SchultWP 3948-a Page 1 of 2 XYLENE WSK-M14J239-A1. SCOPEThe material defined by this specification is Xylene.2. APPLICATIONThis specification was released originall
2、y for material used as thinner forpaint materials.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality SystemStanda rd Q-101. A mutually acceptable Control Plan as describedth erein is required for material/source approval. Appropriatestatist ical tools m
3、ust 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, may conduct infrared and/ortherma l analysis of material/parts supplied to this specification.The IR spec
4、tra and thermograms established for i nitial approval shallconst itute the reference standard and shall be kept on file at thedesignated material lab oratory. All samples shall produce IR spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.3 COMPOS
5、ITIONXylene (Xylol).3.4 PROPERTIES3.4.1 Density at 20 C 0,871 - 0,875 g/mL(ASTM D 1475)3.4.2 Flash Point 21 C(ASTM D 56)3.4.3 Refractive Index 1,496 - 1,500(ASTM D 1218)3.4.4 Colour ColourlessENGINEERING MATERIAL SPECIFICATIONWSK-M14J239-AWP 3948-b Page 2 of 2 3.5 SUPPLIERS RESPONSIBILITYAll materia
6、ls supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.Pr ior to making any changes in the properties, composition,co nstruction, color, processing or labelling of the materialorig inally approved under this specification
7、 whether or not suchchange s affect the materials ability to meet 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
8、est samples and a new code identification areto be submitted with the request.Substance restrictions imposed by law, regulations or Ford apply tothe mat erials addressed by this document. The restrictions aredefined in Engineering Material Specification WS S-M99P9999-A1, unlessa different suffix (e.
9、g., A2 or A3) is specified on the engineeringdocument for the application.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri ng activity. Suppliers desiring approval ofthe ir materials shall first obtain an expression of in
10、terest from theaffect ed Purchasing, Design and Materials Engineering activity. Uponrequest, the supplier shall submit to the affected Materials Engineeringactivity its own laboratory rep ort to the specification (test results, notnominal values), the material designation and code number, and testsp
11、ecimen s for Ford evaluation. Upon approval, the material will be addedto the Engineering Material Approved Source List.5. GENERAL INFORMATIONThe information given below is provided for assistance and clarificationand does not represent requirement(s) to this specification.5.1 Flash Point 24 - 26 C(ASTM D 56)5.2 Boiling Point 137 - 142 C(ASTM D 1078-67)5.3 Shelf Stability 2 YearsNo change of properties and no colour change after a storage time oftwo years in the closed original container.
