UV and Sunshine
It's common knowledge that exposure to the ultraviolet (UV) rays of the sun damages human skin, but these powerful rays also oxidize and fade automobile paint and make a car look old and worn out before its time. You can prevent sun damage to car paint by keeping your vehicle inside a garage, under covered parking or in a shaded area when it's not on the road. By not leaving it to bake in the sun, you'll also protect the headlights and rubberized trim from damage.
Nearly 99% of car paint faded because oxidation effect caused by long period exposure to air and ultraviolet.
Acid Rain caused by air pollution, will cause car paint corrosion problem.
Powder coating can cause significant production delays between colour changes.
Tree Gum & Bird Dropping
Gum and bird droppings can seriously corrode the paint, if not wipe off quickly, it would be easily leave spots on the paint surface.
Water contain calc…