1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1978 11 17 Metricated and Retyped CAH1-RD572066-1791971 03 03 Released CZZ1-DR-538617-33948-a Page 1 of 7ENAMEL, ACRYLIC - POLISH RESISTANT - SYNTHETIC BAKING - LOW ESB-M32J101-BAND MEDIUM GLOSS - EXTERIOREN
2、AMEL, ACRYLIC - POLISH RESISTANT - SYNTHETIC BAKING - ESB-M32J101-CEXTERIOR LOW AND MEDIUM GLOSS - EXEMPT SOLVENT1. SCOPEThe materials defined by these specifications are polish resistant,thermosetting acrylic baking enamels suitable for exterior exposure onlarge, highly visible surfaces.2. APPLICAT
3、IONThese specifications were released originally for enamels used as finalcolor coats on exterior parts where a low or medium gloss is required.It shall be satisfactory for use over specified primers, enamel sealers,or over baked ESB-M32J100 quality enamel.3. REQUIREMENTS3.1.1 VehicleThe fixed vehic
4、les shall be melamine modified, acrylicpolymers with minor amounts of plasticizers. No alkydresins are permitted.The proportions of solvents in the volatile portion shallbe so arranged that the enamels will level outsatisfactorily on spray application. The volatility of thesolvents is to be so chose
5、n that three medium wet spraycoats will give a dried film of at least 0.0015 in (39m)without sagging and with satisfactory freedomfrom roughness or dry spray. The volatile portion shallcontain sufficient active solvents to give satisfactoryadhesion when the enamel is applied over a previously bakedc
6、oat of ESB-M32J100 quality enamel.3.1.2 PigmentThe pigments shall be balanced and blended so that thefinished enamels match the Ford Motor Company master panelin color and luster and meets the requirements of thesespecifications for durability and polish resistance.3.1.3 Specific CompositionWhen it
7、is necessary to obtain specific data regardingenamel formulations, it is understood that suppliers willfurnish such data on request.3.1.4 ToxicityThe enamels shall contain no benzol (benzene), chlorinatedor other toxic compounds, or hydrolyzable chlorinederivatives or have an obnoxious or objectiona
8、ble odor.ENGINEERING MATERIAL SPECIFICATION ESB-M32J101-B/CPage 2 of 73.2 PHYSICAL PROPERTIES3.2.1 Viscosity 28 - 40 s(FLTM BI 11-1)3.2.2 Non-Volatile(FLTM BI 2-1)Solids, minAll metallic colors 36Black 36Dark colors 44Colors with organic pigment 49Light colors (over 80 % TiO2 pigment) 50Pure chrome
9、colors 493.2.3 Hiding(FLTM BI 1-1)Colors containing organic pigments, max 16Metallic colors Refer 3.2.4All other colors, max 12Test ConditionsViscosity 20 s #4 Ford CupWedge Constant 0.007 in (0.18 mm)3.2.4 Hiding, Dry Checkerboard(FLTM BI 3-1)For metallic enamels only complete visual hiding over re
10、dand gray checkerboard at 0.0015 in (39 m) dry filmthickness.3.2.5 StabilityThe material shall not jell or liver on standing.Test Method: Place a sealed 3/4 full pt (0.5 1) can in anoven for 16 h at 60 +/- 1 C. A change in viscosity of 10 sor hard packed settling shall indicate instability.3.2.6 Set
11、tlingThe material shall not exhibit hard settling that cannot bereadily redispersed after a three month shelf storageperiod.3.3 PREPARATION OF TEST PANELS(FLTM BI 3-2, Method “B“)The following requirements are specific for ESB-M32J101 - enamelsin addition to those shown in the test method.ENGINEERIN
12、G MATERIAL SPECIFICATION ESB-M32J101-B/CPage 3 of 73.3.1 PrimerApply ESB-M6J102 (reduced to 17 +/- 2 s, #4 Ford Cup withM14J245) to a dry film thickness of 0.00075 - 0.00085 in(19 - 21 m). Let flash 1 min and apply ESB-M6J103(reduced to 17 +/- 2 s, #4 Ford Cup with M14J245) to0.00125 - 0.00150 in (3
13、2 - 38 m) total dry filmthickness. Bake at 149 +/- 2 C for 15 min.3.3.2 Wet sand to 0.00075 - 0.0010 in (19 - 25 m) dryfilm thickness with 360 grit paper. Rinse to remove sludgeand dry 5 min at 138 +/- 2 C. Cool to 23 +/- 2 C beforeproceedingLeave 1/2 of one panel unsanded for adhesion tests.3.3.3 E
14、namel SealerApply ESB-M99J126 or ESB-M99J222 (reduced to 22 s, #4 FordCup at 27 C with M14J210) to 0.00050 - 0.00075 in (13-19 m)dry film thickness. Bake 20 min at 137 +/- 2 C.3.3.4 SandWet sand to 0.00075 - 0.0010 in (19 - 25 m) dryfilm thickness with 360 grit paper. Rinse to remove sludgeand dry 1
15、5 min at 138 +/- 2 C. Cool to 23 +/- 2 C beforeproceeding.Para 3.3.3 and 3.3.4 may be omitted when the productionsystem does not include enamel sealer.3.3.5 Enamel3.3.5.1 Over PrimerApply ESB-M32J101 quality enamel (reduced to 17s,#4 Ford Cup at 27 C with M14J245; recordpercent of solvent required)
16、to a dry filmthickness of 0.0015 - 0.0020 in (39 - 50 m),enamel only. Bake per para 3.3.8.3.3.5.2 Over ESB-M32J100 or ESB-M32J102Apply ESB-M32J100 or ESB-M32J102 quality enamel(reduced to 17 +/- 2 s, #4 Ford Cup at 27 C withM14J245) to a dry film thickness of 0.0015 -0.0020 in (39 - 50 m), enamel on
17、ly.Bake per para 3.3.8 then apply ESB-M32J101quality enamel (reduced to 17 +/- 2 s #4 Ford Cupat 27 C with M14J245) to a dry film thickness of0.0015 - 0.0020 in (39 - 50 m), lowgloss enamel only. Bake per para 3.3.8.Sand 1/2 of one enameled panel before sprayingwith ESB-M32J101 for adhesion tests.EN
18、GINEERING MATERIAL SPECIFICATION ESB-M32J101-B/CPage 4 of 73.3.6 Both solid colors and metallic colors require three mediumwet coats with 1 to 2 min flash between coats for evendispersion and optimum gloss.3.3.7 Age panels before testing as shown in the respective tests.3.3.8 Baking CyclesThe follow
19、ing baking schedules are required for ESB-M32J101quality enamel tests:Standard Bake: 17 min at 129 +/- 2 CThe above bake applies to the following tests:Para 3.4.1 ColorPara 3.4.2 GlossPara 3.4.3 Heat sensitivityPara 3.5.2 HardnessPara 3.5.3 AdhesionPara 3.5.6 Polish resistancePara 3.6 Resistance pro
20、pertiesRebake: standard bake plus 20 min at 138 CPara 3.4.1 ColorPara 3.4.2 GlossPara 3.4.3 Heat sensitivityPara 3.7.3 Intercoat adhesionPara 3.5.4 Bleeding3.4 APPEARANCE3.4.1 Color(FLTM BI 9-1)Color shall match the Ford Motor Company master panel afterall of the baking cycles described in para 3.3.
21、8.3.4.2 Gloss(FLTM BI 10-1)The gloss shall be specified by means of a letter suffix tothe color number assigned by Styling as follows:B 80 +/- 4 F 35 +/- 3C 70 +/- 4 G 20 +/- 3D 62 +/- 3 H 10 +/- 3E 50 +/- 3 J 6 max3.4.3 Heat SensitivityA commercial color match shall be obtained with nosignificant c
22、hange in gloss as defined in para 3.4.2, ormore than 2 units change in Sward Hardness, when the enamelis baked at the following schedules:. 17 min at 129 C. Standard bake plus 20 min at 138 C.ENGINEERING MATERIAL SPECIFICATION ESB-M32J101-B/CPage 5 of 73.4.4 GeneralThe enamels shall bake out to a pr
23、esentable, serviceablefilm showing no craters, pinholes, seediness, abnormalroughness or excessive metallic mottling.3.5 FILM PROPERTIES3.5.1 Film Thickness 0.0015 - 0.0020 in (39 - 50 m)3.5.2 Hardness(FLTM BI 12-1)Sward 20 - 40Knoop, min 6Film thickness Standard per para 3.5.1: Nocorrection require
24、d.Bake Standard (para 3.3.8)3.5.3 Adhesion(FLTM BI 6-1)No flaking or chipping over sanded or unsanded primer orenamel.3.5.4 Intercoat Adhesion(FLTM BI 6-2)Shall be satisfactory3.5.5 Chip Resistance(FLTM BI 7-1)The chipping shall not exceed that of Fig 2.3.5.6 Polish Resistance(FLTM BI 10-2, 60 Gloss
25、meter)The painted panel, shall exhibit no greater change in glossthan 10 units.3.6 RESISTANCE PROPERTIES3.6.1 Salt Spray Resistance, min 240 h(FLTM BI 3-1)There shall be no blistering and no more than 1/8 in (3 mm)rust creepage or loss of adhesion from a line scribedthrough to bare steel.3.6.2 Conde
26、nsing Humidity, min 240 h(FLTM BI 4-2, Method “A“)There shall be no blistering, peeling, or loss in holdout.ENGINEERING MATERIAL SPECIFICATION ESB-M32J101-B/CPage 6 of 73.6.3 Water and Soap Spotting(FLTM BI 13-1)3.6.3.1 Water Spot Discoloration, 0.3N.B.S. units, max3.6.3.2 Soap Spot Discoloration, 0
27、.8N.B.S. units, max3.6.4 Acid Spotting(FLTM BI 13-2)3.6.4.1 Acid Spot Discoloration, 0.8N.B.S. units, max3.6.5 Weathering ResistanceThe finished test specimen shall show a minimum degree offading, chalking, dulling or color change. No greaterchange of gloss is permitted than equivalent approvedprodu
28、ction colors. No increase of brittleness or loss ofadhesion is permitted and specimens shall be completelyfree from evidence of cracking, checking, blistering,peeling, or rusting after exposure as follows:Florida exposure (Miami Area), min12 months at 5 facing south.Accelerated weathering*(FLTM BO 1
29、-1)400 h in Atlas XW Weatherometer.*In the event of differences between accelerated weatheringand Florida exposure, the Florida exposure shall govern.3.7 EXEMPT SOLVENT MATERIAL (ESB-M32J101-C Only)The volatile portion shall not be photochemically reactive asdefined below:A photochemically reactive
30、solvent is any solvent with an aggregateof more than 20 % of its total volume composed of the chemicalcompounds classified below or which exceeds any of the followingindividual percentage composition limitations, referred to thetotal volume of solvent:. A combination of hydrocarbons, alcohols, aldeh
31、ydes, esters orketones having an olefinic or cycloolefinic type of unsaturation- 5 %. A combination of aromatic compounds with eight or more carbonatoms to the molecule except ethylbenzene - 8 %. A combination of ethylbenzene, ketones having brancheshydrocarbon structures, trichloroethylene or tolue
32、ne - 20 %.ENGINEERING MATERIAL SPECIFICATION ESB-M32J101-B/CPage 7 of 7Whenever any organic solvent or any constituent of an organicsolvent may be classified from its chemical structure into morethan one of the above groups of organic compounds, it shall beconsidered as a member of the most reactive
33、 chemical group, thatis, that group having the least allowable percent of the totalvolume of solvents.Enamels or primers sent to various regions of the country mustconform to E.P.A. rules and regulations for that region.3.8 SPECIFIC COMPOSITION (ESB-M32J101-C Only)3.8.1 Volatile PortionSuppliers sha
34、ll furnish certification of conformance topara 3.7 of this specification to Ford Motor CompanyPurchasing and/or Quality Control.3.9 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification must be equivalent to thatoriginally approved. Changes in formulation or processing shallnot be made wit
35、hout prior approval as described in SupplierProcedure I-A.4. APPROVAL OF SUPPLIERSSuppliers to this specification must be approved by the affected productengineering office. Procedure for gaining approval of a specificmaterial to a new/existing ES-M specification is contained in SupplierProcedure I-A. Approved new suppliers will be added to the EngineeringMaterials Approved Source List.
