1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Action Changes1990-11-02 EP00E01031541000 Released KW conc. J.SchultWP 3948-a Page 1 of 4 PAINT, TWO PACK, HIGH FLEXIBLE, PLASTIC WSK-M15J3-ASUBSTRATES, INTERIOR1. SCOPEThe mate rial defined by this specification is a high fle
2、xible interiorpaint for plastic substrates. It must be cured with a suitable isocyanatehardener.2. APPLICATIONThis spe cification was released originally for material used as two packpaint for PU - Integral Foam, e.g. for headrests.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the
3、 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 must be used to analyze process/product data sothat variation in the final product is continuously reduced.3.2 INFRARED
4、 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 established for i nitial approval shallconst itute the reference standard and shall be kept on fil
5、e 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 CONDITIONINGAll test values indicated herein are based on ma terial conditioned ina control led atmosphere of 23 +/- 2 C and
6、 50 +/- 5 % relativehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.3.4 COMPOSITION3.4.1 Resin: Synthetic polyhydroxy resins.3.4.2 Pigments: Pigments to obtain the desiredcolour, grain and properties.ENGINEERING MATERIAL SPECIFICATIONWS
7、K-M15J3-AWP 3948-b Page 2 of 4 3.4.3 Solvent Emissions see Initial Sample +/- 1 %(ASTM D 3960)This r equirement is as determined by the United StatesEnvironmental Protection Agency Reference Method #24 and isonly applicable to materials used in the USA.3.5 MATERIAL PROPERTIES3.5.1 Non-volatile see I
8、nitial Sample +/- 1 %;(FLTM BI 102-01) min 55 %The n on-volatile content shall be determined at a sprayviscosity of 25 s according to para 3.5.4.3.5.2 Density see Initial Sample +/- 0,02 g/mL(ASTM D 1475)3.5.3 Viscosity as supplied see Initial Sample +/- 5 s(FLTM BI 111-01)3.5.4 Spray Viscosity as s
9、pecified by the supplier(FLTM BI 111-01, FC #4)The material can be reduced with Xylene (WSK-M14J239-A) andButyl acetate (WSK-M14J228-B).3.5.5 Mixing Ratio as specified by the supplierThe material shall be cured with isocyanate hardenerWSK-M99J359-A or WSK-M99J360-A.3.5.6 Dry Hiding Power, max 20 mic
10、rometre(FLTM BI 158-01)3.5.7 Storage Stability 90 daysDuri ng a storage of 90 days between 5 and 32 C temperaturethe m aterial as supplied shall not settle up or cakeinsol uble. After the storage the material must pass allspecification requirements.3.6 PREPARATION OF TEST PANELS3.6.1 SubstratePolyur
11、ethane Integral Foam.3.6.2 Plastic PreparationThe surface to be painted shall be cleaned by an acceptablepr ocess, e.g. power wash, to remove mold releasing agents,fingerprints, oils, dirt and moisture.ENGINEERING MATERIAL SPECIFICATIONWSK-M15J3-AWP 3948-b Page 3 of 4 3.6.3 Top coat applicationDry f
12、ilm thickness: 20 - 30 micrometre;Flash off time: 5 minutes;Baking: 20 minutes at 80 C (Object temperature).3.6.4 Ageing:Test panels prepared under this specification shall be agedfor at least 168 h at 23 +/- 2 C or 16 h at 45 + /- 1 C beforetesting for resistance properties.3.7 APPEARANCECol our, g
13、loss, grain and surface finish shall match master TrimSample and/or Master Appearance Sample as approved by Design.3.7.1 Colour see MAS - Panel(FLTM BI 109-01)3.7.2 Gloss and Grain see MAS - Panel(FLTM BI 110-01, 60 deg)3.8 RESISTANCE PROPERTIESTest Panels and painted plastic parts prepared accordin
14、g to thisspecification shall meet all requirements of performancespecification WSK-M2P162-A.3.9 QUALITYThe top coat must be adaptable for application i n accordance with theappropriate Ford Motor Company Process Specification.The top coat must be compatible with all related materials.3.10 SUPPLIERS
15、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 or labelling of the materialorig inally approved
16、 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 obtain the written approval of the Materials Engineer
17、ingactivity. Test data, test samples and a new code identification areto be submitted with the request.ENGINEERING MATERIAL SPECIFICATIONWSK-M15J3-AWP 3948-b Page 4 of 4 Substance restrictions imposed by law, regulations or Ford apply tothe mat erials addressed by this document. The restrictions are
18、defined in Engineering 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 act
19、ivity. Suppliers desiring 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 specifica
20、tion (test results, 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 DENSITY OF THE DRY FILM see Initial Sample(FLTM BI 154-02) +/- 0,02 kg/L
