Any scratch on the car body is not only a deterioration in appearance, but also a potential development of corrosion. And if you do not take action in time, then rust will grow from a small scratch.
Instructions
Step 1
If the scratch appeared due to the fact that another car "got used" to yours, then first try to carefully remove the foreign paint. To do this, take a clean cloth and start scrubbing it, try to press as hard as possible. If that doesn't work, then wet the rag with a solvent such as 646. Be careful not to overdo it with the amount of liquid, because excess solvent can remove the excess varnish layer if the car is painted with metallic.
Step 2
If the paint was removed, then carefully inspect the place of the scratch to see if the paint base is damaged. If a layer of primer is visible, it is damaged. Determine if the scratch is deep or not. This can be done by the color of the scratch at the place of damage - if the color does not change much, then it is superficial and does not reach the base of the paint. In this case, try sanding it with a sanding paste.
Step 3
Purchase two types of paste - pre-finishing (with abrasive) and finishing. To begin with, sand the scratch with sandpaper # 2000, which you have previously moistened with water. Do not confuse this paper with No. 200, otherwise you will get serious problems. Work over the damaged area until the matte finish appears around the scratch. Do everything carefully, make sure not to remove the varnish to the base - this will lead to the fact that this area of the surface will be strongly visible, which is unacceptable.
Step 4
Wipe dry and apply a layer of abrasive paste. Get a circular sander with a fur and foam pad. Start sanding the area first at low speeds to distribute the paste evenly, and then at high speeds.
Step 5
Remove the remaining paste with a clean, dry cloth. Look at the work done - if everything suits you, then repeat the grinding procedure already with the application of the finishing paste. The whole procedure will take about an hour, and if there is a scratch, for example, on the whole door, then no more than two hours.
