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Nail polish to remove scratches:
In the same way as toothpaste, choose nail polish of the same color as the car paint, apply it evenly to the scratches, and wait for the nail polish to dry.
Because the nail polish liquid can penetrate into the scratches and play a certain filling role, it can effectively isolate the contact between the iron sheet of the car body and the air, and prevent the oxidation and rust of the car body.
Touch-up pen: suitable for small scratches and scratches. You can first use very fine water sandpaper dipped in water to gently grind away rust spots, but do not grind in no direction, and polish in a straight line in the same direction. Wait until it is completely wiped off and apply a layer of primer.
If it is a new scratch, wipe it off and apply the primer directly.
Note: It is only suitable for mild scratches and abrasions, and for more serious ones, it is recommended that you go to a 4S shop or car beauty salon for repair and maintenance. Although the above treatment is not as effective as going to a beauty salon, if it is a small or inconspicuous scar, it can also play a role in preventing the rust from expanding and aggravating.
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1. Hello, glad you asked.
2. If you don't need to repair this kind of crack, you can go to the car sheet metal shop to polish and wax.
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Abstract Dear --- The paint repaired in the 4S shop cracked in less than a year, and the 4S store was responsible. In less than a year, the 4S store is guaranteed to protect the rights and interests.
If the 4S shop is painted and used normally, the car paint can basically be maintained for 4-5 years, and the original paint of the 4S shop should be polished off. The more formal repair shop will spray three layers of paint, namely the middle coat, the color paint layer, and the varnish layer, and the biggest difference with the original paint is that there is no electrophoresis layer.
What to do if the 4S shop touch-up paint is cracked.
My dear --- cracked the paint repaired in the 4S shop in less than a year, and it belongs to the 4S shop. In less than a year, the 4S store is guaranteed to protect the rights and interests.
If the 4S shop is painted and used normally, the car paint can basically be maintained for 4-5 years, and the original paint of the 4S shop should be polished off. The more formal repair shop will spray three layers of paint, namely the middle coat, the color paint layer, and the varnish layer, and the biggest difference with the original paint is that there is no electrophoresis layer.
You can get in touch.
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What should I do if the body paint is cracked? When this happens, you should go to a professional repair agency for sheet metal and paint restoration. The body paint will not crack for no reason, and if the body is deformed, it will cause cracks and cracks in the body paint.
When you repair the paint of your car, you must go to a professional organization, and don't go to some roadside shops to repair it cheaply.
The body paint surface of the car is composed of four layers, from the inside to the outside, which are the electrophoretic layer, the middle coat, the color paint layer, and the clear coat layer. The electrophoretic layer is used to prevent rust, and after the entire body is assembled, the entire body will be soaked in the electric pool, so that a layer of electrophoretic layer will be formed on the surface of the entire body. After forming an electrophoretic layer on the surface of the body, the robot sprays the middle coating, which is also mainly used to prevent rust and improve the bonding ability with the next layer of body paint.
The color paint layer mainly plays an aesthetic role, and the various body colors that we can usually see are presented by the color paint layer. The varnish layer is the outermost layer of paint, which acts as a protective layer of paint and also improves the gloss of the body paint. Usually most of the small scratches are left on the varnish layer, and the scratches on the varnish layer can be removed by polishing.
However, it is not recommended to polish frequently, if you polish frequently, it will lead to a decrease in the thickness of the varnish layer, which will affect the gloss of the body paint.
Smoke and pollutants in the atmosphere are the main causes of fading and discoloration of car paint. Fading is different from oxidation, and when fading occurs, the paint will appear unevenly colored. If the paint of the car is less brown, you can wax the car once.
If the paint loss of the car is more serious, then it is necessary to respray the car to improve the overall aesthetics and enhance the protection of the car. Under the irradiation of the sun's ultraviolet rays, the paint film continuously evaporates oil into the air to protect itself. Over time, the oil content of the paint surface will be too dispersed and lost.
The brightness and depth of the paint surface are greatly reduced, so that the paint surface slowly whitens, forming an oxide layer, and shortening the life of the paint.
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In such a situation, you can go to the 4S shop for maintenance, because the body paint is cracked and you can't repair it, so you need a professional master to repair it.
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Touch-ups can be applied to cracked areas, so that the paint of the car can be repaired without corroding the paint.
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You can drive your car directly to the repair shop and let the masters help you recoat your car with a coat of paint.
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If the paint is cracked, if it is serious and needs to be repaired in the 4S shop, if the paint is cracked and the crack is small, you can first clean the surface of the paint, use water sandpaper to polish, and dry it fully, and then remove the paint from the cracked part, and finally apply a touch-up paint pen.
The main characteristics of the performance of automobile paint: good fullness of the paint film, high gloss, high hardness, good adhesion, excellent mechanical properties, excellent gloss retention, weather resistance, wear resistance, good acid resistance, alkali resistance, alcohol resistance, gasoline resistance.
Car paint maintenance:
Rinse in time after rain: After the rain, the rain stains on the car will gradually shrink, so that the concentration of rainwater acidic substances will gradually increase, if you do not rinse the rain stains with clean water as soon as possible, it will damage the topcoat over time.
When washing the car: wait for the engine to cool down, and do not wash the vehicle in the scorching sun or high temperature, so as not to leave traces of the detergent being dried. Usually, you need to use special detergent and neutral water to rinse the car stool by yourself
Do not use alkaline laundry detergent, soapy water and detergent to prevent washing off the grease in the paint surface and accelerating the aging of the paint surface.
Scrub the vehicle cleanly: use a soft rag or sponge to prevent mixing with metal debris and sand, and do not use a dry cloth, dry towel, or dry sponge to wipe the car.
Photo by Xu Shuanghe, Pacific Automobile Network).
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Repair method of car paint crack: 1. Wipe the crack with a mixture according to the line of the crack, wait for the crack to disappear, and then use the fine mixture to wipe the slag again and then wax; 2. For very deep cracks, you can repair them with coating paint of the same color as the body paint, and you need to brush it several times, and pay attention to the thickness of the paint in the process as well as the surroundings. Precautions for daily maintenance of car paint:
1. Wash in time after rain: the rain stains on the body will gradually shrink after the rain, so that the concentration of rainwater acidic substances will gradually increase, if you do not rinse the rain stains with clean water as soon as possible, the topcoat will be damaged over time; 2. When washing the car: it should be carried out after the engine is cooled, do not wash the vehicle in the scorching sun or high temperature, and leave traces by drying the detergent without regretting it, and should not use alkaline laundry detergent, soapy water and washing spirit, so as to prevent the oil in the paint surface from being washed and the aging of the paint surface accelerated.
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The remedies after paint cracking are as follows:1. Grease the paint film in the cracked area until a complete and smooth surface is exposed; 2.
repainting; 3.Grinding and polishing to remove the oxide layer on the paint surface; 4. Regular waxing, the role of waxing is to prevent water accumulation and acid rain, followed by to prevent high temperature and ultraviolet rays, and then to prevent static electricity and dust at the same time. Maintenance of automotive paintwork includes:
1。Clean up the dust on the car body in time to minimize the adsorption of static electricity on the car body; 2.Rinse in time after rain; 3.
When washing the car, the engine should be cooled. Do not wash your car in the scorching sun or high temperatures to avoid leaving marks after the dish soap dries. 4. For some special traces of strong corrosiveness, they should be removed in time.
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The method of repairing the crack of the paint is: 1. Wipe the line of the scratch with a mixture, and then wipe the scratch with a fine mixture and then wax again; 2. For very deep scratches, the stove belt can be repaired with the same color as the car body paint, and it should be brushed several times, and the thickness of the paint should be the same as the surrounding in this process. The maintenance method of car paint is as follows:
1. Remove the dust on the car body in time to minimize the adsorption of the dust of the old debate hall by the static electricity of the body; 2. Rinse the rain stains with water as soon as possible after the rain to avoid damaging the paint surface; 3. Do not wash the vehicle in the scorching sun or high temperature when washing the car; 4. Use a clean and soft cloth or sponge to scrub the vehicle to prevent metal filings and sand particles from being mixed to leave scratches.
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Minor cracks can be polished and waxed; More severe cracks require the entire area to be sanded until a complete and smooth surface is exposed, and then repainted; After the paint is cracked, the primer has been exposed, and it is also necessary to do partial touch-up paint after sanding; The cracks in the paint are generally very subtle in the early stage, and then they will continue to penetrate the paint until the color paint layer, which is already more serious when it can be detected by the naked eye.
Minor cracks can be polished and waxed; More severe cracks require the entire area to be sanded until a complete and smooth surface is exposed, and then repainted; If the paint is cracked and the primer has been exposed, it is also necessary to do partial touch-up paint after polishing; Paint cracks are generally very subtle in the early stages, and then they will continue to penetrate the paint until the color paint layer, which is already serious when it can be detected by the naked eye.
Causes and repairs of paint cracks: 1. Paint oxidation: The perennial exposure of sunlight is the main reason for shortening the life of the paint.
Ultraviolet rays from sunlight can eventually cause oxidation of car coatings. If the body is still hanging with water droplets when exposed to the sun, the oxidation rate will be much faster. If it is slightly oxidized, it can be removed with wax, and once the oxidation is severe, it must be ground and polished.
2. Crack in car paint: Crack in car paint is easy to appear on metal paint, which is a very fine crack that will continue to penetrate the paint until it "penetrates" the entire color paint layer. When waxing and polishing, you will notice that there are streaks on the body, which is due to the presence of car wax in the cracks.
Due to the quality of the paint, the resin in the paint will also crack due to "shrinkage". This "disease" can only be achieved by repainting. Frequent waxing is a good way to reduce the occurrence of cracks, and when the cracks are still in the "budding" stage, wax can throw away cracks that are invisible to the naked eye.
3. Paint fading: fading and discoloration generally occur in the front cover, roof and rear compartment cover of the body. When fading, the car cherry envy paint appears uneven color difference ridge sun shooting.
To prevent the fading of the car paint, it is of course essential to wax frequently, and in addition, frequent car washing can also reduce the fading, and the slight fading can be treated by waxing and polishing. Moderate fading can be treated with grinding, and in severe cases, it must be repainted.
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