1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1984 07 03 CA1DR525411 Released PAK BMMWP 3948-a Page 1 of 6 ENAMEL, MODIFIED VINYL POLYESTER BAKING - ESB-M26J202-AINTERIOR ABRASION RESISTANT1. SCOPEThe mate rial defined by this specification is a modifie
2、d vinyl polyester(MVP) coating suitable for interior exposure.2. APPLICATIONThis specification was released originally for enamel used on interiorparts such as aluminum station wagon load floors.3. REQUIREMENTS3.1 COMPOSITION3.1.1 VehicleThe vehicle shall be a polyvinyl chloride resin modified withp
3、olymers, plasticizers, stabilizers and solvents.3.1.2 PigmentThe pig ment shall be balanced and blended so that thefinished vinyl coating matches the Ford Motor Company masterpan el in color and meets the requirements of thisspecification for durability.3.1.3 Volatile3.1.3.1 The volatile portion sha
4、ll not be photochemicallyactive as defined below:A photochemically reactive solvent is any solventwith an aggregate of more than 20 % of its totalvol ume composed of the chemical compoundscl assified below or which exceeds any of thefollowing individual percentage compositionli mitations, referred t
5、o the total volume ofsolvent:. A combination of hydrocarbons, alcohols,aldehydes, esters or ketones having an olefinicor cycloolefinic type of unsaturation - 5 %.ENGINEERING MATERIAL SPECIFICATIONESB-M26J202-AWP 3948-b Page 2 of 6 . A combination of aromatic compounds with eightor more carbon atoms
6、to the molecule exceptethylbenzene - 8 %. A combination of ethylbenzene, ketones havingbranched hydrocarbon structures,trichloroethylene or toluene - 20 %.Whenever any organic solvent or any constituent ofan or ganic solvent may be classified from itschemical structure in to more than one of the abo
7、vegroups of organic compounds, it shall be consi deredas a member of the most reactive chemical group,that is, that group having the least allowablepercent of the total volume of solvents.Enamels or primers sent to various regions of thecountry must conform to E.P.A. rules andregulations for that re
8、gion.3.1.4 Specific Composition3.1.4.1 Volatile PortionSuppliers shall furni sh certification upon requestof conformance to para 3.1.3.1 of thisspecification to Ford Motor Company for each colorsupplied.3.1.4.2 INFRARED SPECTROPHOTO METRY AND/OR THERMAL ANALYSISFord Motor Company, at its option, may
9、 conductinfrared and/or therm al analysis of material/partssup plied to this specification. The curvesestablished for initial approval shall constitutethe reference standard and shall be kept on fi le atthe designated material laboratory. All samplessha ll produce curves that correspond to therefere
10、nce standard when tested under the sameconditions as those s pecified on the master curve.3.2 PHYSICAL PROPERTIES3.2.1 Non-volatile Solids, min 52 %(FLTM BI 2-1)3.2.2 Hiding Power, Dry(FLTM BI 1-3)Complete visual hiding at 50 micrometre dry film thickness.3.2.3 Consistency Heavy viscous liquidENGINE
11、ERING MATERIAL SPECIFICATIONESB-M26J202-AWP 3948-b Page 3 of 6 3.3 PREPARATION OF TEST PANELS3.3.1 MaterialSteel and aluminum panels of any convenient size.(See para 5.4, Panel Information)3.3.2 Pretreatment Zinc phosphate, ESB-M3P13.3.3 PrimerUse as recommended by specific vendor (see 5.3, Applicat
12、ionTechniques).3.3.4 EnamelReduce enamel to 30 - 40 s in a #4 Ford Cup, for spraying,with solvent recommended by specific vendor (see 5.3,Application Techniques) . Spray to 76 mm dry film thickness.3.3.5 Baking ScheduleAfter spraying, bake at cure schedule recommende d by specificvendor (see 5.3, Ap
13、plication Techniques).3.4 APPEARANCE3.4.1 Color(FLTM BI 9-1)Color shall match Ford Motor Company master panel at any ofthe recommended baking cycles for a specific vendorsmaterial.3.4.2 Gloss(FLTM BI 10-1, 60 deg Glossmeter)3.4.2.1 Appearance ItemsThe gloss shall be specified by means of a lettersu
14、ffix added to the color number assigned byStyling, as follows:A 92 min F 35 +/- 3B 80 +/- 4 G 20 +/- 3C 70 +/- 4 H 10 +/- 3D 62 +/- 3 J 6 maxE 50 +/- 33.4.2.2 Non-appearance ItemsAs specified on engineering drawings.ENGINEERING MATERIAL SPECIFICATIONESB-M26J202-AWP 3948-b Page 4 of 6 3.5 FILM PROPER
15、TIES3.5.1 Adhesion No flaking or(FLTM BI 6-1) chipping3.6 RESISTANCE PROPERTIES3.6.1 Gardner Impact 9 J(FLTM BI 8-1)After direct impact there shall be no loss of pa int adhesion.3.6.2 Water Resistance, min 96 h(FLTM BI 4-1)The coating shall exhib it no dulling, blistering, or loss ofadhesion followi
16、ng the test when scribed with an “X“ and tapepulled with 3M #898 tape.3.6.3 Resistance to Scuffing 10 000 cycles(FLTM BN 8-4)The coating shall have no more than 0.05 g loss of materialusing scuff head “A“ with a 0.9 kg load after the specifiednumber of cycles.3.6.4 Resistance to WeatheringThe coatin
17、g shall exhibit no more evidence of fade, loss ofgloss, or other film de fects than the master sample approvedfor pro duction on file in the Quality Control or BodyMaterials Laboratory, after exposure as follows:3.6.4.1 Florida Exposure (Miami Area)Six months at 5 deg facing south, under glass.3.6.4
18、.2 Accelerated Weathering(FLTM BO 1-1)200 h in Atlas XW Weatherometer.3.7 SUPPLIERS RESPONSIBILITYAll materials supplied to this specification must be equivalent inal l characteristics to the material upon which approval wasoriginally granted.ENGINEERING MATERIAL SPECIFICATIONESB-M26J202-AWP 3948-b
19、Page 5 of 6 Pri or to making any change 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 specificationrequir ements, the Supplier shall notif
20、y 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 restrictions imposed by law, regul
21、ations 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 MATERIALSMat erials defined by th
22、is 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, the Supplier shall submit to
23、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 Material Approved Source List.5.
24、 GENERAL INFORMATIONThe mate rial data included herein is for information only and is not arequirement for the supplier.5.1 FLASH POINT - 5 C5.2 FLAMMABILITYThis material represent s a potential fire hazard. The ManufacturingEngineering Department shall notify both the Plant Security and theSafety U
25、nits 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 notifications.5.3 APPLICATION TECHNIQUESThe use of a primer with the material defined by this specificationis not requ ired. A flash or baked prim
26、er may be used uponrecommendation of the specific vendor if essenti al to the performanceof his product. The use of solvents and choice of baking schedule intesting should also be based on the recommendations of the specificvendor.ENGINEERING MATERIAL SPECIFICATIONESB-M26J202-AWP 3948-b Page 6 of 6 5.4 PANEL INFORMATIONStandard unpolished steel and aluminum panels may be obtained fromthe Parker Co., 322 Main Street, Morenci, Michig an 49256, or AdvancedCoating Technology Co., P. O. Box 310, 273 Indus trial Dr., Hillsdale,Michigan 49242.
