1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1990-11-02 EP00E01031541000 Released KW conc. J.SchultWP 3948-a Page 1 of 2 BUTYL GLYCOL WSK-M14J240-A1. SCOPEThe material defined by this specification is Butyl Glycol.2. APPLICATIONThis s pecification was origi
2、nally released for material used as levellingcontrol additive for electrocoat primers.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 appro
3、val. 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, may conduct infrared and/ortherma l analysis of material/parts suppli
4、ed 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 lab oratory. All samples shall produce IR spectraand thermograms that correspond to the reference standard when tested
5、under the same conditions.3.3 COMPOSITIONEthylene glycol mono butyl ether (Butyl cellosolve).3.4 PROPERTIES3.4.1 Density at 20 C 0,898 - 0,902 kg/L(ASTM D 1298)3.4.2 Flash Point 55 C(ASTM D 56)3.4.3 Refractive Index 1,418 - 1,422(ASTM D 1218)3.4.4 Colour ColourlessENGINEERING MATERIAL SPECIFICATIONW
6、SK-M14J240-AWP 3948-b Page 2 of 2 3.5 SUPPLIERS RESPONSIBILITYAll materials 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
7、or labelling 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 Materials Engineering activity of the proposed changesand obtai
8、n the written approval of the Materials Engineeringactivity. Test data, test 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 Engineer
9、ing Material Specification WS S-M99P9999-A1, unlessa different suffix (e.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 de
10、siring approval ofthe ir materials shall first obtain an expression of interest 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,
11、 notnominal values), the material designation and code number, and testspecimen 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 66 - 68 C(ASTM D 56)5.2 Distillation Range 164 - 175 C(ASTM D 1078)5.3 Shelf Stability 2 YearsNo change of properties and no colour change after a storage time oftwo years in the closed original container.
