1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1990 01 03 NB00I10052483 Released MPWP 3948-a Page 1 of 3 PRIMER, ABRASION RESISTANT CLEAR TOPCOAT - ESB-M6J150-ATRANSPARENT PLASTIC PARTS1. SCOPEThe mate rial defined by this specification is a cle
2、ar, thermally driedprimer.2. APPLICATIONThis sp ecification was released originally for an adhesion promoter forabrasion resistant clear topcoat for polycarbonate.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality SystemStand ard Q-101. A mutually accep
3、table 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 COMPOSITION3.2.1 VehicleA re sin blended in an appropriate manner to provide g
4、oodadhesion to polycarbonate substrate. Minor amounts ofmodifiers and/or plasticizers are allowed.3.2.2 Specific CompositionThe supplier will furnish the specific composition of theformulation upon request.3.3 PHYSICAL PROPERTIES3.3.1 Viscosity, Package 25 - 30s(FLTM BI 11-1)3.3.2 Non-Volatile, min
5、65 %(FLTM BI 2-1)3.3.3 Volatile Organic Compounds - Allowable 0.35 kg/LContent at Application Viscosity(ASTM D 2369, Procedure B)ENGINEERING MATERIAL SPECIFICATIONESB-M6J150-AWP 3948-b Page 2 of 3 3.4 PREPARATION OF TEST PANELSPrepare according to the following procedure:3.4.1 PanelsUnless otherwise
6、 specified, thermoplastic or thermosettingplastic materials, 2.5 - 4.0 mm thick of any con venient size,representative of production material. The panels shall becl eaned by an acceptable commercial process to remove moldrelea se agents, fingerprints, oils, dirt, moisture and anyother surface contam
7、ination prior to coating.3.4.2 Film Thickness, Primer 8 - 20 micrometre(FLTM BI 17-1, use FischerscopeMULTI 650 or equivalent)Recommended Procedure: Substitute a steel panel for the thermoplasticpanel (para 3.4.1), apply primer and cure per manufacturersrecommendation. Measure film thickness on stee
8、l panel.3.5 APPEARANCE3.5.1 Color Clear3.5.2 GeneralThe coating when cured shall be a presentable serviceablefilm s howing no craters, pinholes, seediness or abnormalroughness.3.6 FILM PROPERTIES3.6.1 Adhesion(FLTM BI 106-1)No more than 1 % loss of adhesion.3.6.2 Topcoat Compatibility3.6.2.1 Clear T
9、opcoatApply sufficient clearcoat to achieve 25 - 40micrometre dry film t hickness over panels preparedper para 3.4. Cure clear topcoat per manufactu rersrecommendation.3.7 RESISTANCE PROPERTIESPrimer with topcoat must meet all requirements of ESB-M16J8-AAbrasion Resistant Clear Topcoat specification
10、.ENGINEERING MATERIAL SPECIFICATIONESB-M6J150-AWP 3948-b Page 3 of 3 3.8 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.Pri or to making any change in the properties, composition
11、,constr uction, color, processing or labeling 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
12、 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.Substance restrictions imposed by law, regulations or Ford, apply tothe materials addressed by this document. The r
13、estrictions aredefined 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 E
14、ngineeri ng activity. Suppliers desiring approval ofthe ir 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 its own laboratory rep ort t
15、o the specification (test results, notnominal values), the material designation and code number, and testspecim ens for Ford evaluation. Upon approval, the material will be addedto the Engineering Material Approved Source List.5. GENERAL INFORMATIONThe information below is provided for clarification
16、 and assistance inmeeting the requirements of the specification.5.1 FLASH POINT Below 63 C(ASTM D 93)5.2 FLAMMABILITYThis material represent s a potential fire hazard. The ManufacturingEngineering Department shall notify both the Plant Security and theSafety Units of its pre sence in the Plant to assure that proper fireprecautions are provided. The location in which it is used or storedshall be included in the notification.
