What is a bonded organic mark on car paint?

Sunscreen, hand lotion, tyre shine, diesel exhaust fluid. These stick to the clear coat and survive a normal wash. They usually show in the shape of what touched the car: a handprint, a splash, a spray line. Nothing has been taken off your car. Something has been added.

What kind of repair does it need?

Chemical decontamination by a detailer, using the right solvent rather than scrubbing. If it baked on over summer and left a faint outline, a light polish usually finishes it. If the outline has eaten deeper than a polish can reach, that panel is painted.

Class of work Chemical decontamination, polished if it has etched, refinished if it has gone through.

Caught in reasonable time, the deposit comes off with the right chemical and that is the whole job. Left long enough, it marks the clear coat. Light marks polish out. Deep ones do not, and the panel is painted.

What to do next

Do not scrub it. Scrubbing a stuck deposit with a cloth causes fine scratches that are worse than the mark. Sunscreen marks are common and stubborn, but they are not damage and do not need a panel shop.

Sources

  1. AutoDetailPediablogAttack rubber marks with aggressive scrubbing or household cleaners, and you will likely haze the clear coat, leaving behind swirls that shine under the sun.
  2. PPG GBpaint makerDewax the affected area, flat lightly, compound and polish, repeating if necessary
  3. Sherwin-Williams Automotivepaint makerSand and featheredge damaged areas to remove chips, then refinish
  4. Standoxpaint makerMicro/Spot repair or complete refinishing is necessary for true rectification
  5. OCD Car Careproduct sellerThe most common way to remove topical bonded contamination is with a clay bar or a synthetic clay substitute.

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Related

What is iron fallout on a car? Tiny orange specks on your car are iron particles rusting on the surface. Learn why it is usually a wash, not a paint repair. What is tree sap and tar on car paint? Sap and tar sit on top of the clear coat rather than in it. Learn how to remove them safely without scratching. What is overspray on a car? A gritty film across the paint and glass is somebody else's paint that drifted onto your car. Learn how a detailer removes it. What is bore water staining on a car? Orange or brown streaks from a sprinkler are iron deposits from groundwater. Learn why this is not rust and how to remove it.
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