1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Release No. Release/Revision1987 06 30 CDR2-171100-C9 ReleasedWP 3948-a Page 1 of 4 PAINT, WATERBORNE ANODIC ELECTROCOAT - ACRYLIC ESA-M62J13-BENAMEL1. SCOPEThe mat erial defined by this specification is a heat curing, water b
2、asedanod ic electrocoating acrylic enamel and associative make-up feedcomponents.2. APPLICATIONThis material was released originally for use as a prime r and/or final coatfor wheels.3. REQUIREMENTS3.1 STATISTICAL PROCESSSupplie rs must conform to the requirements of Ford Quality SystemStand ard Q-10
3、1. 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 COMPOSITION3.2.1 Non-Volatile(FLTM BI 2-1)3.2.1.1 Charging
4、Material Weight, min 40%3.2.2 Volatile Deionized Water3.3 WEIGHT PER LITRE AT 22 EC3.3.1 Charging Material 3.75 - 3.80 kg3.4 STABILITY(FLTM BI 16-2)No mo re than 5 % increase in viscosity after 72 h beyond initialviscosity of material reduced to 7 - 8 % solids.ENGINEERING MATERIAL SPECIFICATIONESA-M
5、62J13-BWP 3948-b Page 2 of 4 3.5 INFRA RED SPECTROPHOTOMETRY (IR), EMISSION SPECTROSCOPY (ES), ANDTHERMOGRAVIMETRIC ANALYSIS (TGA)Ford Motor Company, at its option, may conduct IR, ES, and TGA ofmaterial/parts supplied to this specification. The IR spectra andthe rmograms established for initial app
6、roval shall constitute thereferen ce standard and shall be kept on file at the designatedmaterial laboratory. All samples shall produce IR spectra andther mograms that correspond to the reference standard when testedunder the same conditions.Prepare the IR sample by scraping the cured paint from a t
7、est paneland mixing with infrared quality potassium bromide. Pulverize thesample with a mortar and pestle or a mechanical mixer to ahomogeneous powder and press into a pellet with a hydraulic press at11.7 MPa. Place the pellet in the infrared beam and scan.3.6 THROWING POWER, min(FLTM BI 20-2, EC)Be
8、fore Salt Spray 135 mmAfter 240 h Salt Spray Exposure 70 mm3.7 PANEL PREPARATIONPre pare panels per FLTM BI 20-1. When this material under test isspecifically for use on other substrates, supplementary tests shallbe run, using panels or parts made from the substrate and processedby an approved produ
9、ction method prior to painti ng. All panels shallbe conditioned for 72 h at +/- 1 EC or 16 h at 43 +/- 1 EC prior totesting.3.8 FILM CHARACTERISTICS3.8.1 Thickness 19 - 20 Fm(FLTM BI 17-1)3.8.2 Salt Spray Resistance, min 360 h(FLTM BI 3-1)No mo re than 3 mm rust or blister creepage from a linescribe
10、d to bare metal.3.8.3 Gloss, min 70(FLTM BI 110-01, 60 E)3.8.4 Color Black3.8.5 Water Immersion Resistance, min 240 h(FLTM BI 4-1)No failure by blistering, peeling, or loss of gloss.ENGINEERING MATERIAL SPECIFICATIONESA-M62J13-BWP 3948-b Page 3 of 4 3.8.6 Weatherometer, min 400 h(FLTM BO 1-1)No more
11、 than a 20 % loss of gloss is permitted.3.8.7 Florida ExposureAfter 12 months exposure at 45 E facing south, in the Miami,Florida area, there sha ll be no more blistering, peeling, orvisi ble rusting along the scribe line than the currentlyapprov ed material. Panels shall be scribed with an “X“ toth
12、e base metal prior to exposure. Florida exposure shall beconducted only for initial qualification.3.8.8 Adhesion (to base metal) No flaking or(FLTM BI 106-01) chipping3.8 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material up
13、on which approval wasoriginally granted.Pri or to making any change in the properties, composition,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 ement
14、s, 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.Substance restric
15、tions imposed by law, regulations or Ford, apply tothe materials addressed by this document. The restrictions 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 MATERI
16、ALSMat erials defined by this specification must have prior approval by theresponsible Materials Engineeri 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, th
17、e Supplier shall submit to the affected Materials Engineeringactivity its own laboratory rep ort to 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 Mater
18、ial Approved Source List.ENGINEERING MATERIAL SPECIFICATIONESA-M62J13-BWP 3948-b Page 4 of 4 5. GENERAL INFORMATIONThe information given below is provided for assistance and clarificationand does not represent requirements to this specification.5.1 INTERCOAT ADHESIONPa nels painted in accordance wit
19、h para 3.6 and top sprayed witheither ESB-M50J100/M32J100 (38-51 m) should display good adhesionbet ween coats and no flaking of second coat from first per FLTMBI 6-2.5.2 FLASH POINT(ASTM D 56)5.2.1 Charging Material No flash point5.2.2 Feed Material, min5.2.2.1 Resin 56 EC5.2.2.2 Pigment No flash point
