It is inevitable that the car will be scratched and scratched on the road. However, the car owners will feel bad when they see the car scratched in the parking lot. Car scratches not only affect the appearance, but also have to spend a lot of money to repair. Of course, you can save a lot of money if you master some tips for car scratch repair. Let's take a look at how to beautify and repair these small defects!
How are car scratches produced?
First of all, let's understand how car scratches are usually produced. There are a lot of scratches between my car friends. I don't know where they are. After observation and summary, the scratch is generally caused by the following reasons:
1. When driving on the road, being scratched by large particles in the air: when the car is running on the road, especially at high speed, the large particles in the air will brush past the car body, causing slight scratches on the surface of the car;
2. Occasionally, when passing by the cart, I was scratched by small stones. Sometimes when I was driving on the road, I would occasionally pass the big car of Rasa stone, and some small sand and stones splashed out would scratch the surface of the car, resulting in some scratches;
3. When washing the car, the towel they used was not clean: many car owners would go to the unprofessional garage to wash the car, but they didn't know that the towel they used was not thorough, which resulted in scratches on the surface of the car;
4. The operation of waxing is not standardized: many car owners who have obtained some auto repair and beauty shops are not professional. After receiving the car, no matter what problems they encounter on the car surface, they will recommend waxing. Waxing can solve many problems in 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, the scratch will be more serious;
5. Non motor vehicle scratch: sometimes when the car is parked or driving on the road, it will be accidentally scratched by non motor vehicles, which is very slight, but over time, the scratch is obvious;
6. Scratches on branches and small animals: usually, the driving environment and parking environment are changeable. Sometimes the branches are accidentally scratched, and sometimes the animals scratch after parking for a long time, which will cause scratches to the car.
Simple and ingenious way to deal with car scratch by yourself
Tiny scratches
First aid products: fine wax and coarse wax.
Slight scratch damage is on the surface of the topcoat, which can be completely repaired by waxing. With the mixture, the wiping method is linear wiping, and then waxing. You can first use coarse wax, then apply fine wax, from the inside to the outside in the same direction, so that the fine scratches are almost removed. Of course, there is also a more cost-effective way is to use toothpaste repair, gently smear on the shallow scratches, and then use a soft cotton cloth to wipe anticlockwise, several times down, not only to reduce the scratch, but also to avoid the air on the car paint damage.
Scratch without removing primer
First aid products: fine wax, paint repair pen.
Larger area of scratch can be used to repair paint pen rescue. Paint repair pens are available in general auto supply stores. Owners can buy paint repair pens with appropriate color numbers by quoting their car price and official color name. Generally, the 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 has been seen
First aid products: mark removal and antirust agent, self painting.
For more serious scrapes, if you can see the color of the lower primer, it depends on the parts of the scar. Generally, the bumpers, rear-view mirrors and wheel brows of some cars are made of engineering plastic, which 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 if the repair paint is very difficult to prevent rust. The car owner can first clean and dry the car, apply rust remover on the scratch, and then wipe off the rust agent with tissue paper for 10-15 minutes to avoid further rusting.
Scratch dent treatment
First aid products: dent repair technology.
If the scratches and depressions left on the car surface after collision do not fall off and paint off, the perfect repair effect can be achieved through the dent repair technology. A dent repair takes about 20-40 minutes, which greatly reduces the cost (about 50% of traditional sheet metal and painting), and will never deform and fade. The tools needed for dent restoration are not complicated. Crowbar is mainly used to push the sunken steel plate outward from the inside out. This technique must be delicate. The key is fine adjustment. Then, use a rubber hammer to smash it from the outside to the inside to repair the overall modeling work. Finally, use a sharp object like a pencil head to fine tune the convex mark of the car body.
Treatment of bumper scar
First aid product: special chemical synthetic agent.
If the bumper is only lightly scratched, it is not a big problem, but it is full of scars, which is very ugly. We must find a way to repair it. The car owner can repair the bumper with special chemical synthetic agent. The operation is very simple, and anyone can repair it. The car owner should first remove the burr on the bumper, and it is better to use a knife to cut off the burr, so as to smooth the whole, and coat the potholes with putty to make them smooth. Prepare putty which is close to the color of bumper. Mix the putty with the main agent and hardener. Apply the putty with a scraper. The key is to insert the scar. After 2-3 hours of firmness, polish with sandpaper and spray paint after one week.
