1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1993 06 01 EP00E10258817000 Complete revise KW1984-11-28 SM/EQ 5505 TP ReleaseWP 3948-a Page 1 of 4 PAINT, WATERBORNE, FOR PLASTIC SUBSTRATES, INTERIOR ESK-M62J23-A1. SCOPEThe material defined by th
2、is sp ecification is a waterborne interior bakingpaint for plastic parts.2. APPLICATIONThis spe cification was released originally for material used as one coatbaking paint for various interior applications.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Qua
3、lity SystemStand ard Q-101. A mutually acceptable Control Plan as describedtherein 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 SPECTROPHOTOMETRY AND/OR
4、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 file at thedesignated materia
5、l laboratory. All samples sha ll 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 ma terial conditioned ina control led atmosphere of 23 +/- 2 C and 50 +/- 5 % relativehumidi
6、ty for not less than 24 h prior to testing and tested under thesame conditions unless otherwise specified.3.4 COMPOSITION3.4.1 Resin: Waterbased synthetic resins.3.4.2 Pigments: Pigments to obtain the desired colour andproperties.ENGINEERING MATERIAL SPECIFICATIONESK-M62J23-AWP 3948-b Page 2 of 4 3.
7、5 MATERIAL PROPERTIES3.5.1 Non-volatile see Initial Sample +/- 1 %; (FLTM BI 102-01) min. 25 %The n on-volatile content shall be determined at a sprayviscosity of 35 s according to para 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 +/
8、 5 s (FLTM BI 111-01)3.5.4 Spray Viscosity as specified by the supplier (FLTM BI 111-01, FC #4)The material can be reduced with deionized water.3.5.5 Organic solvent content see Initial Sample +/- 5 g The content of organic solvents is defined as:g orga nic solvents per kg material at spray viscosi
9、ty,determine under the conditions of para 3.5.1.3.5.6 Dry Hiding Power, max. 15 um(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 cakeinso luble. After the storage the material must pass allsp
10、ecification requirements.3.6 PREPARATION OF TEST PANELS3.6.1 SubstrateABS, Polycarbonate, Polypropylene, etc. as specified onEngineering Drawing.Note: PP/EPDM plastics must either be primed with anadhesion primer or pret reated (flame process, etc.) prior topainting to provide sufficient paint adhes
11、ion.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 SPECIFICATIONESK-M62J23-AWP 3948-b Page 3 of 4 3.6.3 Primer (not mandatory, only if required.)
12、Application of a primer surfacer, filmthickness and baking asspecified in the relevant material specification.3.6.4 Topcoat applicationDry film thickness: 15 - 25 micrometre;Flash off time: 5 minutes;Baking: 20 minutes at 80 C (Object temperature).3.6.5 Ageing:Test panels prepared under this specifi
13、cation shall be agedfor at least 72 h at 23 +/- 2 C or 16 h at 43 +/- 2 C beforetesting for resistance properties.3.7 APPEARANCECol our, gloss, 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
14、2 Gloss see MAS - Panel(FLTM BI 110-01, 60 deg)3.8 RESISTANCE PROPERTIESTest Panels and painted plastic parts prepared according to thisspecification shall meet all requirements of performancespecification WSK-M2P161-A.3.9 QUALITYThe topcoat must be ada ptable for application in accordance with the
15、appropriate Ford Motor Company Process Specification.The topcoat must be compatible with all related materials.3.10 SUPPLIERS RESPONSIBILITYAll materials supplied to the specification must be equivalent in allcha racteristics to the material upon which approval was originallygranted.ENGINEERING MATE
16、RIAL SPECIFICATIONESK-M62J23-AWP 3948-b Page 4 of 4 Pr ior to making any changes in the properties, composition,co nstruction, color, processing or labelling of the materialorig inally approved under this specification, whether or not suchchange s affect the materials ability to meet the specificati
17、onrequir 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 est samples and a new code identification areto be submitted with the request.Sub
18、stance restrictions imposed by law, regulations or Ford apply tothe materials addressed by this 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 Mat
19、erials Engineering activity. Suppliers desiring approvalof thei r materials shall first obtain 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 t
20、heir laboratory test reports, signed by aqualified and authorized representative of the test faci 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.
21、In addition to meeting therequi rements of this specification, the materials will be assessed forsuita bility for intended applications as part of the approval process.Upo n approval, the material will be added to the Engineering MaterialApproved Source List.5. GENERAL INFORMATIONThe information giv
22、en 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 +/- 0,05 kg/L(FLTM BI 154-02)5.2 MATERIAL REFERENCEAll related materials u sed for approval of topcoat according to thisspecification, e.g. plastic substrates, shall be noted in the InitialSample Report of the topcoat.
