1、 ENGINEERING MATERIAL SPECIFICATIONMaterial Name Specification NumberDate Para. No. Revisions1978 10 06 Metricated and Retyped CAH1-RD572066-1151965 07 09 Released AU1 #966Page 1 of 4METALLIZE, SECOND SURFACE DECORATIVE - EXTERIOR ESB-M5P6-A1. SCOPEThis specification defines the performance requirem
2、ents for exteriorplastic parts having a second surface decorative finish. This finish isgenerally obtained by vacuum metallizing and painting. A hot stampingprocess may also be used in combination with vacuum metallizing orpainting, provided the resulting finish meets the performancerequirements of
3、this specification.2. APPLICATIONThis specification was released originally for material used for deck lidornaments, and body side ornaments.3. REQUIREMENTS3.1 APPEARANCEAll parts must have 3 dimensional ornamentation. They may haveclear or colored plastic but the decorative finish must be on thesec
4、ond surface. The color of the metallic and/or paint coatings(visible coat - in assembled condition) shall match Ford Motorcompany approved color standard sample.3.1.1 All parts shall be free from any objectionable blemishessuch as orange peel, weld marks, crazing, etc. unlessotherwise designated on
5、the drawing or visual standards.3.1.2 All parts shall be finished off smoothly; flash, gates,etc. removed. All visible surfaces shall be highlypolished unless otherwise specified.3.1.3 Light ReflectionThe mirror bright non-colored metal surfaces shall reflectnot less than 40 % of the measured intens
6、ity of any lightsource.Test Method: A beam of light of known intensity shall bedirected at a given area of any portion of the bright metalsurface. The amount of reflected light shall be measuredby means of a photoelectric cell in combination with amilliammeter. Any comparable method of measuring thi
7、sproperty may be used.ENGINEERING MATERIAL SPECIFICATIONESB-M5P6-APage 2 of 43.2 ADHESION3.2.1 Adhesion to Plastic(FLTM BI 6-1, METHOD “B“)No chipping, flaking or loss of adhesion to the basicplastic.3.2.2 Intercoat Adhesion(FLTM BI 6-2)The coating system shall show satisfactory adhesion of allcoats
8、 to one another.3.3 RESISTANCE PROPERTIES3.3.1 Resistance RequirementsParts tested as outlined in para 3.3.2 shall conform to thefollowing:. The finished parts shall not warp, craze, crack, checkor sustain a dimensional change greater than the tolerancesspecified on the engineering drawing. Bright m
9、etallic surfaces shall show no indications ofoxidizing, peeling, blistering, tarnishing or otherdiscoloration. Colored surfaces shall show no indications of checking,blistering, loss of adhesion, chalking and only slightfading.3.3.2 Resistance Tests3.3.2.1 Resistance to Cycling(FLTM BO 15-1)3.3.2.2
10、Resistance to Heat3 h at 80 +/- 2 C or as specified on theengineering drawing.3.3.2.3 Resistance to Humidity500 h at 98 +/- 2 relative humidity and 38 +/- 1C.3.3.2.4 Resistance to Salt Spray, min 240 h(ASTM B 117)3.3.2.5 Water Immersion, min 240 h(FLTM BI 4-1)ENGINEERING MATERIAL SPECIFICATIONESB-M5
11、P6-APage 3 of 43.3.2.6 Gasoline ResistancePlace the finished part in a 600 mL beaker halffull of M14J148 Petroleum Naphtha - Aliphatictype for 1 h at 23 +/- 2 C. Remove the part fromthe Naphtha and rinse with cold tap water. Wipethe part with a soft cloth and examine. Thereshall be no color transfer
12、 to the cloth orevidence of degradation of the finished coating.3.3.2.7 Weathering ResistanceFlorida Exposure (Miami Area)160,000 langleys at 45 facing south(approximately 1 year).Weatherometer Test* 400 h(FLTM BO 1-1)*In the event of differences between acceleratedweathering and Florida exposure, t
13、he Floridaexposure shall govern.3.4 MATERIAL REFERENCE3.4.1 PlasticAcrylic Thermoplastic ESB-M4D93.4.2 Metallic Coating3.4.2.1 Vacuum Metallized (When Applicable)Shall be applied by the vacuum vaporizationprocess over clear coated plastic and shall beprotected by means of a top coat over themetallic
14、 coating.3.4.2.2 Hot Stamped (When Applicable)A hot stamping film which will give the necessaryproperties shall be used.3.4.3 Color Coating3.4.3.1 Paint (When Applicable)Shall conform to the Ford Motor Company materialspecification designated on the applicable colorchart.3.4.3.2 Hot Stamped (When Ap
15、plicable)A hot stamping film which will give the necessaryproperties shall be used.ENGINEERING MATERIAL SPECIFICATIONESB-M5P6-APage 4 of 43.5 SUPPLIERS RESPONSIBILITYMaterial supplied to this specification must be equivalent to thatoriginally approved. Changes in formulation or processing shallnot b
16、e made without 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.
