How do car scratches come into being? How to deal with car scratches?

it’s inevitable for a car to be scratched when it’s driving on the road. However, it’s not a good feeling for car owners to see the car in the parking lot scratched. Car scratches not only affect the appearance, but also cost a lot of money to repair. Of course, if you master some car scratch repair tips, you can save a lot of money. Let’s take a look at how to beautify and repair these small defects!

How does the car scratch come into being?

first of all, let’s understand how the scratches are usually generated. Many riders have no idea where the scratches on their car come from. It seems that there are so many scratches unconsciously. After observation and summary, the scratch is generally caused by the following reasons:

1, driving on the road, being scratched by large particles in the air: when the car is driving on the road, especially at high speed, the large particles in the air will pass by the car body, causing a slight scratch on the surface of the car;

2. Occasionally passing by the cart, I was scratched by small splashed stones: sometimes driving on the road, occasionally passing by the cart pulling sand stones, some small splashed sand stones will scratch the surface of the cart, and some scratches will appear;

3. When washing the car, the towel used is not clean: many car owners go to the unprofessional repair shop on the side of the road to wash the car, but they don’t know. The towel they use is not clean thoroughly, which causes scratches on the surface of the car;

4 Waxing operation is not standardized: many car owners are not professional when they get some car repair and beauty shops. After they receive the car, no matter what problems they encounter on the car surface, they will suggest waxing. Waxing can really solve many problems of the paint surface, But it will also leave a lot of scratches on the surface of the car, especially if the operation is not standardized;

5, non motor vehicle scratch: sometimes the car will be accidentally scratched by non motor vehicles when parking or driving on the side of the road, which is very slight, but after a long time, the scratch is very obvious;

6, tree branches, small animals and other scratches: usually, the driving environment and parking environment are changeable, sometimes accidentally scraping the tree branches, sometimes being scratched by small animals after parking for a long time, which will cause scratches to the car.

First aid products: fine wax, coarse wax

slight scratch on the surface of the topcoat, which can be completely repaired by waxing. With the mixture treatment, the wiping method is linear wiping, and then waxing, you can first use coarse wax, and then fine wax, from the inside to the outside in the same direction, so that the fine scratches are almost removed. Of course, there is a more cost-effective way to repair it with toothpaste. Gently apply it to the shallow scratches, and then use a soft cotton cloth to wipe it anticlockwise. After several times, it can not only reduce the scratches, but also prevent the air from eroding the paint wounds.

scratch without primer off

first aid products: fine wax, paint mending pen

scratch with larger area can be rescued by paint mending pen. Paint repair pens are sold in general auto supply stores. Owners can buy paint repair pens with appropriate color number by reporting their own car model and official color name. The general price is about 40-50 yuan. Before use, shake up the paint in the paint, paint the nail polish as a primer, and add some thinner to the paint brush to smooth out the spray, repair the position carefully, and then add the wax to dry the paint.

scratch of primer

first aid products: scratch removal and rust inhibitor, self painting

for serious scratch, if you can see the color of the primer, it depends on the part of the scar. Generally, the bumper, rear-view mirror and wheel brow of some cars are made of engineering plastic and will not rust, It depends on the owner’s requirements whether the paint is repaired or not. But if these severe scars appear on other parts of the car body, it needs to be repainted. Otherwise, even if it is a small damage, the steel plate will start to rust. At that time, even the repainting is difficult to prevent rust. The car owner can clean and dry the car first, apply rust remover on the scratches, and wait for 10 ~ 15 minutes to wipe the rust remover with tissue paper to avoid further rust on the scratches.

Scratch dent treatment

first aid products: dent repair technology

if the scratch dent left by the car surface after collision does not fall off or paint off, the dent repair technology can achieve perfect repair effect. It takes about 20-40 minutes to repair a depression, which greatly reduces the cost (only about 50% of the traditional sheet metal and painting), and will never deform and fade. The tools needed to repair the dents are not complicated. Crowbar is mainly used to push the steel plate from the inside out to the outside. This technique must be delicate and fine-tuning is the key. Then use a rubber hammer to repair the overall shape from the outside to the inside. Finally, use a sharp thing like a pencil head to fine tune and highlight the convex marks of the car body.

bumper scar treatment method

first aid products: special chemical synthetic agent

if the bumper is only slightly abraded, although it is not serious, but full of scars is very ugly, we must find a way to repair it. Car owners can use special chemical synthetic agent to repair the bumper, the operation is very simple, anyone can repair. The car owner should first cut off the burr on the bumper. It’s better to use a knife to smooth the whole. Apply putty on the potholes to make it smooth. Prepare the putty close to the bumper color. Mix the putty with the main agent and hardener. Apply the putty with a scraper. The trick is to embed the scar. After 2-3 hours, polish the putty with sandpaper and spray paint after a week.

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