HS code-based quality control checks

List of the catalog of this article:

• 1,HS code-based quality control checks What are the types of automotive paint
• 2、 Operation steps for car painting?

What are the types of automotive paint

Automotive paints are generally divided into three types: ordinary paint, metallic paint and pearl paint. Car paint can make cars colorful and new. The automobile topcoat is the outermost layer of the whole paint film, which requires the topcoat to have more perfect performance than the bottom coating. The following is a specific introduction: ordinary paint: it is the simplest resin, pigment and additive.

. Pearlescent car paint, also known as mica paint, is called mica pigment coated with titanium dioxide and iron oxide in the production materials. It is a popular car paint nowadays.

The classification of automotive paint mainly includes three types: ordinary paint, metal paint and pearlescent paint.Ordinary paint is the simplest, low cost, low hardness, and is mostly used in trucks and buses.

Metal paint: also known as metallic glitter paint, it is a popular automotive paint. Fine aluminum particles are added to its paint base. After the light shines on the aluminum particles, it is reflected by the aluminum particles through the air membrane. Therefore, it looks like the metal is shining.

Metal paint, also known as metal glitter paint, is a relatively popular automotive surface paint. There are fine aluminum grains in the paint, which will reflect light. It seems to have a kind of metallic glitter. By changing the shape and size of the aluminum grains, its mountain light can be controlled, and a layer of varnish can also be added for protection.

Causes of car paint aging and how to maintain

1. Oil smoke and pollutants in the atmosphere are the main causes of car paint discoloration and discoloration. There is a difference between discoloration and oxidation. When discoloration occurs, there is an uneven color difference in the car paint. Medium and mild coloration can be treated by grinding and polishing, and when it is serious, it must be re-sprayed.

2. Skill 4: It's best not to cover the car jacket. The vehicle is parked outdoors. If it is windy and rainy, the inner layer of the car cover will repeatedly paint. Especially if the wind and sand are blown into the car jacket, it will make countless small scratches on the car body, and the paint will be black after a long time.

3. Car paint is the "face" of the car. If the surface of the car is well maintained, the car will be as bright as new even if it has been driven for many years, and on the contrary, it will look very old. Although car paint is a frequently maintained item, there are still some areas that need to be paid attention to.Car maintenance is divided into two steps, first is protection, and then maintenance.

4. Monthly maintenance Apply wax regularly once a month. As for the function, first of all, it is waterproof, acid rainproof, and reduce the adhesion of water droplets in the body. The second is to prevent high-temperature sunburn. The wax is applied to form a film that can reflect part of the light and effectively avoid the aging of car paint. Secondly, the wax on the car can be anti-static, and of course it can also be dust-proof.

5. [Methods of car paint maintenance] Paint cleaning The used car paint is often sticky with oil, asphalt, bird droppings, dust, acidic rain and other substances, which adhere to the car paint for a long time. Coupled with the comprehensive effect of high temperature in summer, it will make it difficult for these mixtures to wash them clean with water. .

Teach you how to maintain car paint

Waxing is the most traditional car paint beauty maintenance technology. Its products can be divided into solid wax, liquid wax and wax according to the condition. Its functions include shine, waterproof, high temperature resistance, ultraviolet protection and anti-static, etc. The construction conditions of waxing are low and the cost is relatively affordable, but the effective cycle of paint protection is relatively short.

Tip 4: It's best not to cover the car. The vehicle is parked outdoors. If it is windy and rainy, the carThe inner layer of the clothes will be repeatedly painted, especially if the wind and sand are blown into the clothes, it will make countless small scratches on the body, which will cause the paint to become black after a long time.

Spray. For example, if there is a place on the door that needs to be made up, then, in order to prevent the rubbing strip as a boundary, the upper half or the lower half is fully sprayed. In this way, if there is a small color difference, it is not easy to see.

Adhere to the dryness of the body paint. Adhering to dryness is a very important and key point in maintaining the car paint. A dry body can keep the body of the car away from the trouble of rusting.

What is the function of automobile surface paint

1. Automotive spray paint includes primer, middle coat and topcoat, which can decorate and protect the surface of the car.The decorative function of car spray paint makes people feel beautiful and improves the brightness, gloss, hardness and fullness of the paint. It not only protects the car body, but also gives people visual beauty and impact, which is more popular with consumers.

2. This paint can protect the car from various corrosive media in the atmosphere, decorate the car, mark the type of the car, improve the comfort and sealing of the car, and prevent the noise caused by vibration. The following is the principle and composition of paint: the principle of painting: the main component of car paint is resin, and the molecular gap is relatively large.

3. Protection effect. From the main body, 90% of the car is made of steel. Without the protection of paint coating, the life of the car will be greatly reduced. The coating film can protect the car from corrosion. With the launch of new materials, the role of film protection is increasing, such as: high scratch resistance, elasticity, pollution resistance, etc.

4. Cars can play an aesthetic role and satisfy people who like different colors.

Introduction to car paint and car paint

Mica paint has a special sense of permeability, which will become shiny in the sun; and you can see different effects from different angles. When you squint, you can see the surface of the car. It's light blue.

Car paint is generally divided into three types: ordinary paint, metallic paint and pearl paint. Car paint can make cars colorful and new. The automobile topcoat is the outermost layer of the whole paint film, which requires the topcoat to have more perfect performance than the bottom coating. The following is a specific introduction: ordinary paint: it is the simplest resin, pigment and additive.

The six layers of car paint from the outside to the inside are: varnish layer: also known as cover paint, which is the protective coating of the outermost layer of the paint. It can prevent the damage of color by ultraviolet rays, acid rain and other harmful substances, and improve the brightness and texture of the paint. Color paint layer: Color paint layer refers to the color part included in the car paint.

and excellent gasoline resistance, alcohol resistance, acid resistance, alkali resistance, salt fog resistance and other properties. There are several layers of paint on the car. The paint of the car is divided into four layers in the traditional painting process, which together play the function of protecting and aestheticizing the car body. With the improvement of the process, the complex can reach seven or eight layers.

Operation steps for car paint spraying?

Determine the painting area. Whether it's small scratches or comparisons on the car paintIf the paint is more serious, if you decide to spray paint, then the whole area will be sprayed. For example, if there is a scratch in the lower right corner of the front bumper, then the whole bumper will be repainted.

Hello, the process of car painting is as follows: cleaning, identification, evaluation and shielding. After cleaning the whole car, identify the type of old coating, evaluate the degree of damage to the workpiece, and determine the repair process. Masking and deoiling Protect the area around the damaged part with masking paper, and de-oil the area that needs to be polished at the same time.

Car painting mainly includes 7 steps such as cleaning, sanding, leveling, protection, painting, trimming and waxing.