1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1982 09 13 C7M1 C7L1 RR500518-1 ReleasedWP 3948-a Page 1 of 3 PAINT, WATER REDUCIBLE, LOW GLOSS BLACK CHASSIS ESB-M62J18-BAND BLACK-OUT ENAMEL1. SCOPEThe ma terial defined by this specification is a low glos
2、s black, air dryor force dry water reducible paint, similar to EST-M62J18-A.2. APPLICATIONThis specification was released originally for paint used on truck chassiscompon ents and as a black-out paint on the radiator support at LouisvilleTruck Plant.3. REQUIREMENTS3.1 COMPOSITION3.1.1 Volatile, max
3、67 %Shal l be composed of 75 % water and 25 % suitable solventsand additives.3.1.2 Non-Volatile Solids, by weight, min 31 %(FLTM BI 2-1)3.1.3 Emissions3.1.3.1 Volatile Organic Content(VOC), max 0.38 kg/L(ASTM D 2369)3.1.4 INFRARED SPECTROPHOTOMETRYFord Motor Company, at its option, may conduct infra
4、redana lysis of material supplied to this specification. Thecurves established for initial approval shall constitute there ference standard and shall be kept on file at CentralLaboratory. All samples shall produce curves th at correspondto the reference standard when tested under the sameconditions
5、as those specified on the master curve.3.2 PHYSICAL PROPERTIES3.2.1 Viscosity 30 - 55 s(FLTM BI 11-4, #4 Ford Cup)ENGINEERING MATERIAL SPECIFICATIONESB-M62J18-BWP 3948-b Page 2 of 3 3.2.2 StabilityShall not jell or liver upon standing and must be free fromsettling which is not dispersed by normal ag
6、itat ion, after 30days storage.3.2.3 Hiding Power 10(FLTM BI 1-1, Wet Cryptometer Reading)Test Conditions. Viscosity 30 - 55 s, #4 Ford Cup. Wedge Constant, 0.002 in (0.05 mm)3.2.4 Weight Per Volume 8.5-10.0 lb/gal(FLTM BI 2-2) (1.2 - 1.20 kg/L)3.3 APPEARANCE3.3.1 Color Black3.3.2 Gloss 30 +/- 10(FL
7、TM BI 10-1, 60 E Glossmeter)3.4 PREPARATION OF TEST PANELS3.4.1 Test panels are to be prepared in accordance with FLTM BI3-2, Method “E“. For a ll tests use PTQ, unphosphated panelsor equivalent unless noted otherwise (refer para 5.2).3.4.2 Film Thickness, min 0.00 1 in (25.4 Fm)(FLTM BI 17-1)3.4.3
8、Spraying ViscosityReduce with water as recommended by supplier.3.4.4 Drying3.4.4.1 Force dry 10 mi n at 80 EC for all resistance tests(para 3.6).3.4.4.2 Air dry 30 min at R.T. - coating shall betack-free.3.5 FILM PROPERTIES3.5.1 Adhesion to Bare Metal, max Grade 5(FLTM BI 6-1)3.5.2 Adhesion to Prime
9、r/Enamel, max Grade 5(FLTM BI 6-1)The coating shall be te sted for adhesion as described above,over current production primers and enamels as specified bythe currently released ESB-M2P4 specification.ENGINEERING MATERIAL SPECIFICATIONESB-M62J18-BWP 3948-b Page 3 of 3 3.6 RESISTANCE PROPERTIES3.6.1 G
10、asoline, Hot Oil and Upon removal from test liquid,Ethylene Glycol the painted panel shall show noResistance blistering and no more thanslight softening or dulling.Immerse the lower half of a prepared painted test panel intothe fo llowing test liquids at the temperature shown for aperiod of 1 h:. ES
11、E-M2C35-A Oil 65 EC. M14J503-A, Petroleum Naphtha 35 EC. ESE-M97B18, Ethylene Glycol 35 EC3.6.2 Salt Spray Resistance, min 96 h(FLTM BI 3-1)No corrosion or loss of paint adhesion allowed beyond 3.2 mmfrom the scribe mark.3.9 SUPPLIERS RESPONSIBILITYMaterials supplied to this specification must be eq
12、uivalent to thatoriginally approved. C hanges in formulation or processing shall notbe made without prior approval as described in Supplier Procedure I-A.4. APPROVAL OF MATERIALSSup pliers to this specification must must be approved by the affectedproduc t engineering office. Procedure for gaining a
13、pproval of a specificmat erial to a new /existing ES-M specification is contained in SupplierProcedure I-A. Approved new suppliers will be added to the EngineeringMaterias Approved Source List.5. GENERAL INFORMATIONThe mater ial data included herin is for information only and is not arequirement for
14、 the supplier.5.1 PAINT, MATERIAL AND PERFORMANCE SPECIFICATION REFERENCESESB-M2P4 Pa int Performance-Exterior High Visibility AcrylicEnamelsESB-M50J100 Pai nt Enamel, Acrylic Baking, Non-Aqueous Dispersion(NAD) ExteriorESB-M64J19 Primer, Waterborne Cationic ElectrocoatEST-M62J18 Paint, Water Reduci
15、ble Black Chassis Enamel5.2 PANEL INFORMATIONSteel for PTQ test panels is periodically selected by the Materials andCor rosion Protection Engineering Department from coils representative ofpro duction steel employed in Ford production body panels. This steel isspecified for many primer salt spray tests and may be procured from themateri als and Corrosion Protection Engineering Department in panel formeither phosphated or cleaned.
