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本文(FORD SK-M6J9571-A-1992 PRIMER SURFACER MODIFIED POLYESTER 120 C BAKING TEMPERATURE《烘烤温度120℃的改性聚酯中途漆》.pdf)为本站会员(王申宇)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD SK-M6J9571-A-1992 PRIMER SURFACER MODIFIED POLYESTER 120 C BAKING TEMPERATURE《烘烤温度120℃的改性聚酯中途漆》.pdf

1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1992 02 03 EP00E01076259000 complete revise KW1978 12 21 SM/EQ 8481 TP ReleaseWP 3948-a Page 1 of 6PRIMER SURFACER, MODIFIED POLYESTER, SK-M6J9571-A120 C BAKING TEMPERATURE1. SCOPEThe material defin

2、ed by this specification is a solvent borne, modifiedpolyester baking primer surfacer for exterior automotive application.2. APPLICATIONThis specification was released originally for material used as primersurfacer over baked EC surfaces on doors and hoods, prepared to replacedamaged parts after the

3、 body paint process. The primer can be cured in theenamel baking oven at 120 C. It can be painted with solvent borne top coatsystems as well as waterborne basecoats.The primer is suitable for electrostatic spray application.3. REQUIREMENTS3.1 STATISTICAL PROCESSSuppliers must conform to the requirem

4、ents of Ford Quality SystemStandard Q-101. A mutually acceptable Control Plan as describedtherein is required for material/source approval. Appropriatestatistical tools must be used to analyze process/product data sothat variation in the final product is continuously reduced.3.2 INFRARED SPECTROPHOT

5、OMETRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may conduct infrared and/orthermal analysis of material/parts supplied to this specification.The IR spectra and thermograms established for initial approval shallconstitute the reference standard and shall be kept on file at thedesigna

6、ted material laboratory. All samples shall product IR spectraand thermograms that correspond to the reference standard when testedunder the same conditions.3.3 CONDITIONINGAll test values indicated herein are based on material conditioned ina controlled atmosphere of 23 +/- 2 C and 50 +/- 5 % relati

7、vehumidity for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.ENGINEERING MATERIAL SPECIFICATIONSK-M6J9571-AWP 3948-b Page 2 of 63.4 COMPOSITION3.4.1 ResinModified polyester resins and suitable cross linkingcomponents.3.4.2 PigmentsPigments and fil

8、lers to obtain the desiring colour andresistance properties.3.5 MATERIAL PROPERTIES3.5.1 Non-volatile See Initial Sample +/- 2 %,(FLTM BI 102-01, spray min 60 %viscosity per 3.5.4)3.5.2 Density See Initial Sample +/- 0.05 g/mL(ASTM D 1475)3.5.3 Viscosity as supplied See Initial Sample +/- 5 s(FLTM B

9、I 111-01)3.5.4 Spray Viscosity As specified by the supplier(FLTM BI 111-01)The material shall be reduced with Xylene (WSK-M14J239-A),Solvesso 100 (S-M14J210-A) or any equivalent thinner.3.5.5 Storage Stability 90 daysDuring a storage between 5 and 32 C temperature material assupplied shall not settl

10、e up or cake insoluble. After thestorage the material must pass all specificationrequirements.3.6 PREPARATION OF TEST PANELS(FLTM BI 103-02, Method B,b)3.6.1 Substrates- Standard Steel Panels per para 5.2For Initial Approval only- Precoated Steel Panels as used in the plant.All steel substrates shal

11、l be zinc phosphated and conform tothe requirements of WSK-M3P1-C.3.6.2 Cathodic ElectrocoatCurrent approved production electrocoat primer, applicationand film thickness as specified in the relevant materialspecification.ENGINEERING MATERIAL SPECIFICATIONSK-M6J9571-AWP 3948-b Page 3 of 63.6.3 Primer

12、 application- Dry film thickness 25 - 35 micrometre- Flash off time 3 minutes- Baking 10 minutes at 120 C.(minimum panel temperature)For Initial Approval only:- Baking 10 minutes at 120 C.For Initial Approval per 3.9.1 and 3.9.2 only:- Baking 10 minutes at 120 C.3.6.4 Top CoatApplication of current

13、approved two coat silver metallic aswell as dark solid colour top coat; film thickness andapplication as specified in the relevant paint materialspecification.3.6.5 AgeingTest panels prepared under this specification shall be agedfor at least 72 h at 23 +/- 2 C or 16 h at 45 +/- 1 C beforetesting fo

14、r resistance properties.3.7 APPEARANCEColour, gloss and surface finish of the painted part shall matchmaster Trim Sample and/or Master Appearance Sample as approved byDesign.3.7.1 Colour (Primer only) Grey or in accordance with the(FLTM BI 109-01) primer colours used in the plant.3.7.2 Gloss (Primer

15、 only) 75 - 90 %(FLTM BI 110-01, 60 deg)3.8 PAINT FILM PROPERTIES3.8.1 LevelingThe surface of the primer shall be smooth without anystructure and not more than a minimum of orange peel whenapplied in a dry film thickness of 35 micrometre.3.8.2 HoldoutNo evidence of dulling, no craters or pinholes an

16、d no changein image clarity when enamel colour coat is applied overunsanded primer.Sanding scratches shall only be hardly visible.ENGINEERING MATERIAL SPECIFICATIONSK-M6J9571-AWP 3948-b Page 4 of 63.8.3 SandingAfter baking the primer can be water sanded (P400) or drysanded (P800) by hand without clo

17、gging the paper.3.9 RESISTANCE PROPERTIES3.9.1 Adhesion Grade 0(FLTM BI 106-01, Method B)3.9.2 Stone Chip Resistance, max Rating 3(FLTM BI 157-04)3.9.3 Salt Spray Resistance, min 240 h(FLTM BI 103-01)No blistering and no rust on the panel surface and no morethan 3 mm rust creepage and loss of adhesi

18、on from a scratchscribed to the bare metal.3.9.4 Water Immersion Test, min 480 h(FLTM BI 104-01)No blistering, loss of gloss or loss of adhesion accepted.3.10 FLORIDA WEATHERING 12 months(FLTM BI 160-01)Test panels or specimens painted according to para 3.6 of thisspecification shall be exposed in t

19、he area of Miami, Florida, 5 degfacing south for 12 months exposure time.After the exposure the surface shall show neither blistering norpeeling nor any other defect caused by the primer.3.10.1 Water Immersion Test, 24 h No blistering(FLTM BI 104-01)3.11 PEELING RESISTANCECurrent production Clearcoa

20、t 12 monthsProduct Clearcoat without UV-Stabilizer. 3 monthsPrimed panels according to 3.6.3 are painted with Ford Engineeringapproved current production clearcoat as well as with productionclearcoat without UV - stabilizer.Dry film thickness 30 - 35 micrometre.The test panels shall be exposed in th

21、e area of Miami, Florida, 5 degfacing south for the required exposure time.After the exposure the surface shall show neither blistering orpeeling nor any other defect caused by the primer.ENGINEERING MATERIAL SPECIFICATIONSK-M6J9571-AWP 3948-b Page 5 of 63.11.1 Water Immersion Test, 24 h No blisteri

22、ng(FLTM BI 104-01)3.12 ADDITIONAL REQUIREMENTSTest Panels and painted parts prepared according to para 3.6 of thisspecification shall meet all requirements of performancespecifications WSK-M2P136-A or S-M2P4503-C.3.13 COMPATIBILITYThe primer must be compatible with all related materials e.g.,sealers

23、, adhesives, EC-primer and top coat materials.The primer must be adaptable for application in accordance with FordMotor Company Process Specification U-C800.3.14 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inall characteristics to the material upon which a

24、pproval wasoriginally granted.Prior to making any changes in the properties, composition,construction, color, processing or labelling of the materialoriginally approved under this specification, whether or not suchchanges affect the materials ability to meet the specificationrequirements, the Suppli

25、er shall notify Purchasing, Toxicology andthe affected Materials Engineering activity of the proposed changesand obtain 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

26、by law, regulations or Ford apply tothe materials addressed by this document. The restrictions aredefined in Engineering Material Engineering Specification WSS-M99P9999-A1, unless a different suffix (e.g., A2 or A3) is specifiedon the engineering document for the application.4. APPROVAL OF MATERIALS

27、Materials defined by this specification must have prior approval by theresponsible Materials Engineering activity. Suppliers desiring approvalof their materials shall first obtain an expression of interest from theaffected Purchasing, Design and Materials Engineering activity. Uponrequest, the Suppl

28、ier shall submit to the affected Materials Engineeringactivity a completed copy of their laboratory test reports, signed by aqualified and authorized representative of the test facility, demonstratingfull compliance with all the requirements of this specification (testresults, not nominal values), t

29、he material designation and code number, andtest specimens for Ford evaluation. Fords engineering approval of amaterial will be based on its performance to this specification and on anassessment of suitability for intended processes and/or applications. Uponapproval, the material will be added to th

30、e Engineering Material ApprovalSource List.ENGINEERING MATERIAL SPECIFICATIONSK-M6J9571-AWP 3948-b Page 6 of 65. 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 Init

31、ial Sample +/- 0.02 kg/L(FLTM BI 154-02)5.2 STANDARD STEEL PANELSZinc phosphated test panels prepared in accordance with FordManufacturing Standard U-MA18004/U-MA18005.5.3 MATERIAL REFERENCEAll related materials used for approval of primer according to thisspecification, e.g. substrate, electrocoat primer or top coatmaterials shall be noted in the Initial Sample Report of the primer.

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