FORD WSK-M62J37-A-2012 PAINT UNDERBODY WATERBASED RECYCLED DARK GREY TO BE USED WITH FORD WSS-M99P1111-A .pdf

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1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Released1994 07 08 EP00E10422670000 Released K. WoltersWP 3948-a Page 1 of 4 PAINT, UNDERBODY, WATERBASED, RECYCLED, DARK GREY WSK-M62J37-A1. SCOPEThe m aterial defined by this specification is a water borne paint

2、forunderbody automotive applicatio ns. It is based on recycled overspray fromwater based primer ESK-M62J32-A.2. APPLICATIONThis specification was original ly released for material used as protectiveunderbody paint on baked EC surfaces. The paint is suitable forelectrostatic and pneumatic spray appli

3、cation.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 must be used to analyze process/product data

4、 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 established for i nitia

5、l 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 CONDITIONINGAll test values indicated herein are

6、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 SPECIFICATIONWP 3948-b Page 2 of 4 3.4 COMPOSITION3.4.1 VehicleWater bas

7、ed polyurethane modified polyester resins andsuitable cross linking components.3.4.2 PigmentsPigments and fillers to obtain the desired color andproperties.3.5 PHYSICAL PROPERTIES3.5.1 Nonvolatile See Initial Sample +/- 1 %(FLTM BI 102-01) min 40 %The nonvolatile content shall be determined at spray

8、viscosity according to para 3.5.3.3.5.2 Density See Initial Sample +/- 0.05 g/mL(ASTM D 1475)3.5.3 Viscosity as supplied As specified by the supplier(FLTM BI 111-01, FC #4)The material is supplied at spray viscosity. It can bereduced with deionized water.3.5.4 Content of Organic Solvents, max 6 %The

9、 content of organic solvents is defined as we ight per centof organic solvents at spray viscosity per 3.5.3.3.5.5 Colour D ark grey to black3.5.6 Storage Stability: 30 daysDuring a s torage at a temperature between 5 and 32 C thematerial as supplied shall not settle up or cake insoluble.Af ter the s

10、torage the material must pass all specificationrequirements.3.6 PREPARATION OF TEST PANELS3.6.1 SubstrateZinc phosphated steel panels according to WSK-M3P1-C,el ectrocoated with WSK-M64J29-C1 or equivalent material asused in the plant. Film thickness and baking as required inthe relevant Material Sp

11、ecification.ENGINEERING MATERIAL SPECIFICATIONWP 3948-b Page 3 of 4 3.6.2 Underbody PaintFilm thickness 3 0 - 40 micrometre(FLTM BI 117-01)Flash off 10 minutes/RTBaking (metal temperature) 10 minutes/165 C3.6.3 Ageing 72 hTest panels prepared under this specification shall be agedfor at least 72 h a

12、t 23 +/- 2 C or 16 h at 45 +/- 1 C beforetesting for resistance properties.3.7 RESISTANCE PROPERTIES3.7.1 Adhesion Grade 1(FLTM BI 106-01, method B)3.7.2 Stone Chip Resistance, max Rating 3(FLTM BI 157-04)3.7.3 Salt Spray Resistance, min 480 h(FLTM BI 103-01, notfor precoated steel)No blistering, no

13、 rusti ng or loss of adhesion more than 3 mmfrom the scribed line.3.8 QUALITYThe primer must be adaptable for application in accordance withappropriate Ford Motor Company Process Specification U-C800.The primer must be compatible with all related materials, e.g.electrocoat primer, stone chip primer,

14、 PVC materials, sealers, etc.3.9 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 or la

15、belling 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 obtain the

16、 written approval of the Materials Engineeringactivity. Test data, test samples and a new code identification areto be submitted with the request.ENGINEERING MATERIAL SPECIFICATIONWP 3948-b Page 4 of 4 Substance restrictions imposed by law, regulations or Ford apply tothe mat erials addressed by thi

17、s document. The restrictions aredefined in Engineering Material Specification WSS-M99P9999-A1.4. APPROVAL OF MATERIALSMat erials defined by this specification must have prior approval by theresp onsible Materials Engineering activity. Suppliers desiring approvalof thei r materials shall first obtain

18、 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 test reports, signed by aqualified and authorized representative of the test f

19、aci 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 approval of amateri al will be based on its performance to this specificatio

20、n 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 assistance and clarificationand does not represent requirement

21、(s) to this specification.5.1 DENSITY OF THE DRY FILM See Initial Sample +/- 0.02 kg/L(FLTM BI 154-02)5.2 pH - VALUE See Initial Sample +/- 0.55.3 MATERIAL REFERENCEAll rel ated materials used for approval of paint according to thissp ecification, e.g. electrocoat primer, etc. as well as theapplication parameter s hall be noted in the Initial Sample Report ofthe paint.