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Car paint is the skin of a car, the aesthetics of the car paint affects a car's face value or gas field. New car paint is generally the most perfect state, but when we accidentally sned and repainted, even in the 4S store with the original paint is still color difference. Why is that?
was the original factory painted?
the general new car in the spraying workshop will experience: pre-treatment, electrophoresis, glue coating, medium coating spraying, color paint spraying, varnish spraying
.body pre-treatment
the white body after welding left behind lubricants, adhesives and other substances for chemical treatment and cleaning.electrophoresis
the white body covered with electrophoresis paint film, which is what we often say primer.the
seal the body welds, doors, etc. before drying.
coating in the
is carried out in a dust-free environment and then dried in an environment above 130 degrees C.
paint is sprayed in
different colors controlled by a computer in a constant temperature and humidity environment.
varnish sprayed
the computer automatically sprays the outerst layer of transparent protective paint. After all spraying, dry in a drying oven with a temperature of up to 130 degrees C - 190 degrees C.
's the difference?
the original patch paint used to repaint the paint in the 4S store, and not a different kind of paint in the paint shop.
the general 4S shop paint baking temperature is relatively low, in the 70-80 degrees C or so.
different temperatures, the paint film color fastness is certainly different. And life in the 4S shop paint less, are all spray-based.
the original factory is using high temperature paint, after baking hardness and adhesion than the 4S store selected cold paint stronger. In fact, this is not the fault of the 4S store, but
original paint is for the frame no other parts, and our late paint vehicle parts can not withstand more than 100 degrees of heat.
original spraying is controlled by computer, in the paint film thickness, color uniformity and aging consistency are better than 4S store artificial spray. 4S stores and manufacturers in the car paint, spraying environment, spraying process are different, so we want to be exactly the same as the original car paint is very difficult. In addition to these reasons, spraying out color also has our vehicle's own reasons.
Because we paint paint, the car has been driving or long or short time,
car paint in the sun has been oxidized, the color of the car paint has also occurred more or less
, and because of the angle of exposure, length of time, the body will also have a little color difference, after re-painting the new paint will become more obvious.advice:
best paint is the original paint, late maintenance spraying is always not so satisfactory, and open and cherish. Safe driving and avoiding slugs are the hard truth.
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