PAINTING FOR NEW VEHICLES 1-23 JsJ PAINTING FOR NEW VEHICLES 1. COAT FORMATION ON BODY PARTS A large variety of paints is used for vehicles. They are used selectively for such different purposes as rust prevention, sound insulation, anti-chipping, cosmetic appearance, and adhesion to the base surface. The table below shows different types of coating systems that are commonly used on the new vehicle body.
• -25- Location and special coating name Coat compositions and paints Body outer panel Top coat Thermosetting amino alkyd resin, jJJ I I I I I I I I I I I I I I I thermosetting acrylic resin Second coat Polyester resin ...I .I .I .I .I .I .I .I .I .I .I Undercoat Epoxy resin Steel metal Body inner panel (engine compartment, ) luggage compartment • Color coat Thermosetting amino alkyd resin, I I I I I I I I I I I I I thermosetting acrylic resin Undercoat Same as body outer panel I I I I I I I I I I I I I Steel metal Door frame (black) Black coat Thermosetting amino alkyd resin • I I I I I I I I I I I I I Second coat .......... '} Undercoat . . . . . . . . . . . . .
Same as body outer panel Steel metal Underfloor, wheel house - Sound insulation ........ Polyvinyl chloride (PVC) Undercoat Same as body outer panel I I I I I I I I I I I I o Steel metal Anti-chipping second coating Top coat ...•.......... '} tf!If{tiJ]ll: Second coat . . . . . . . . . . . Same as body outer panel • Anti-chipping coat . . . . . . Polyester resin, PVC tf}jjj))){}~~~ Undercoat Same as body outer panel I I I I I I I I I I I I I Steel metal Rocker (black) ... Anti-chipping coating Two-component urethane resin :::::::::::::::::::::::::: Top coat .............. } jJJ Second coat . . . . . . . . . . . Same as body outer panel Undercoat ............
':J Steel metal Stripe paint D Stripe Two compound urethane resin I I I I I I I I I I I I I I I I I • Top coat ............. '} Second coat · ...•... · · · Same as body outer panel Undercoat ............. Steel metal Radiator support (black) - Black coat Phenolic alkyd resin - I I I I I I I I I I I I I .·.·.·.·.·.·•·.·.·.·.·.·.· Inner color panel ...... } Undercoat . . . . . . . . . . . . . Same as body inner panel Steel metal