paintwasatypeofwater-based paintandwasnotharmfultotheenvironment.Therefore
lacquer paintswere replacedbyenamelpaintsinthe20th century.Nowadaysthe enamel
paints are widely used as a basecoat with a clearcoat.
Down to metal grinded paint:
converted rust
metal
passivated metal
primer
filling /spackling
colour paint
Preparation,
High-pressurewaterjetsaredirectedontothesurfaceofthecars.Therearechancesthatthis
paintisnottreatedproperlyandthuscanleadtoseveralfailures.Thefirstcoatthatisapplied
onthesurfaceofthecaristhephosphatecoatwhosesolepurposeistopreventcorrosion.
LaterE-coatisappliedonthecarsurface.Forthis,thecarisdippedinE-coatandthenahigh
voltageisapplied.Duetothis,thecarbodyactsasacathodeandthepaintactsasananode
thus sticking to the surface. This process is veryeco-friendly.
Primer,
Itisthefirstcoatthatisappliedtothecarbody.Oftenthereareseveralmarksordentsonthe
carsurfacewhenitcomesdirectlytothepaintingunitfromthebodyshop.Thiscoatactsasa
levellerasitlevelsallthedefectsandthusprovidesabetterfinalproduct,Itsmoothensthecar
surface.Itprotectsthecarfromcorrosion,heatdefectsandUVlight.Itmakestheapplicationof
paint easier as the paint easily sticks on the carsurface due to the presence of a primer coat.