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At present, the steel plate used in the automobile is mainly divided into three kinds, double-sided galvanized steel plate, single-sided galvanized steel plate and cold-rolled steel plate, and among these three kinds of steel plates, the double-sided galvanized sheet has the highest cost and the strongest anti-rust ability, the anti-rust ability of single-sided galvanized steel plate is in the middle, and the anti-rust ability of cold-rolled steel plate is the worst, many car companies in order to control costs, shoddy use a large number of cold-rolled steel plates with the worst anti-rust ability, secondly, the automobile coating process is divided into four processes: electrophoretic primer, chassis armor glue, cavity wax injection, and topcoat, Many car companies have started to think crookedly in the painting process, so that many models are prone to rust problems.
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Now there are so many car brands, I think Chery Automobile, Great Wall Motor's car rust prevention is the best, they have very high requirements for the craftsmanship of the car, and the materials used are also very kind.
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Now there are so many brands of cars, I think it is the Mercedes-Benz brand cars that do a good job of rust prevention, and generally will not rust for more than ten years.
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Among the domestic automobile brands, Great Wall, Changan and other automobiles have done the best in rust prevention.
Among the domestic automobile brands, Great Wall, Changan and other automobiles have done the best in rust prevention. Geely, Chery, BYD and many other models have done a relatively poor job in rust prevention. After decades of development, domestic cars have made great progress in appearance and configuration, and many domestic cars are more beautiful than joint venture cars, but there are still some gaps in rust prevention compared with joint venture cars.
The performance of domestic cars in corrosion resistance is not ideal, mainly due to the greater impact of maintenance levels. For example, the basic maintenance manual of each car has provisions to check whether the drainage pipe and drain outlet of the vehicle are blocked at each maintenance or interval time, but in fact, the domestic car with low maintenance cost will generally skip it when maintaining 4S shops, and poor drainage is the main reason for the rust of automobile metal.
Reasons why domestic cars are prone to rust:
At present, the steel plate used in the automobile is mainly divided into three kinds: double-sided galvanized steel plate, single-sided galvanized steel plate and cold-rolled steel plate, and among these three types of steel plates, double-sided galvanized sheet has the highest cost and the strongest anti-rust ability, single-sided galvanized steel plate has the anti-rust ability in the middle, and cold-rolled steel plate has the worst anti-rust ability.
In order to control costs, many car companies use a large number of cold-rolled steel plates with the worst rust prevention ability as shoddy. Secondly, the automobile coating process is divided into four processes: electrophoretic primer, chassis armor glue, cavity wax injection, and topcoat.
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Generally, the high-end car is better than the low-end car rust prevention, because the plate is well selected, the plate surface is treated with rust prevention, the sheet metal material is also used well, the primer is sprayed, and the topcoat is metallic paint. The key to rust prevention is not to collide with metal surface damage. Even if there are hard scars on imported cars, rust and oxidation will also appear.
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The best anti-rust for domestic cars is Haval H6, and this brand is recommended.
Haval is a sub-brand of Great Wall Motor, established on March 29, 2013, the Haval brand based on SUV models and the Great Wall brand operate in parallel, using independent logos, independent product research and development, production, service and other systems, mainly engaged in SUV production and sales business. It includes two models: H series and F series.
Haval H6 is the main model of the Haval brand, on August 25, 2011, the positioning of the urban intelligent SUV Haval H6 in the Great Wall Motor's new factory in Tianjin grand listing, providing Mitsubishi gasoline-powered models, and green diesel models, divided into three versions of urban, elite and noble, of which the price of gasoline vehicles is 10,000 yuan, and the price of diesel vehicles is 10,000 yuan.
As an urban SUV, Haval H6 subverts the off-road style of the previous model in terms of appearance, and adopts a new design that can win the recognition of mass consumers.
The shape of the Haval H6 is decent, it adopts a dark and light color matching style, and at the same time, it also adds silver decorations that highlight the texture in the details, and the overall visual effect is in line with most people's aesthetics.
Haval H6 body dimensions length, width and height were 4640 1825 1690 (mm), wheelbase is 2680mm. Compared to the 2700mm wheelbase of the Haval H3 and H5, the wheelbase is 20mm shorter, making it more compact. However, it is slightly larger than the compact SUVs on the market.
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It's hard to say, because this is related to product design, body materials, pre-painting process, coating process, coating equipment, coating materials, coating environment, etc., the same automobile factory usually has many coating lines, so it cannot be generalized.
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It seems that what the Great Wall has done over the years has become more and more reliable!
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**Decide everything, Volkswagen A-pillar is broken, why do old drivers buy it, the sales volume is still so high every month, you taste the product,
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Before understanding which brand of anti-corrosion is good, it is necessary for us to know what affects the anti-corrosion performance of the car. In addition, the anti-corrosion performance of the car is directly related to the cost and positioning of the car itself. Coating anti-rust, material anti-rust, and other anti-corrosion means For automobiles, general car factories mainly apply three anti-corrosion methods, the first is coating, different ** cars, car paint is good or bad, the thickness is also different, and the corresponding anti-corrosion ability is not the same.
The second is the use of anti-corrosion body materials, such as galvanized steel sheets, aluminum alloys, and even synthetic resins. The third is to directly install protective plates, such as the resin guard plate of the chassis, or the PVC glue spraying of the chassis. Of course, these anti-corrosion measures can be done, but different brands, different ** cars do not do the same degree and comprehensiveness, after all, you can't spend 100,000 yuan to achieve the effect of 1 million.
The difference in the anti-corrosion performance of each brand is generated from the above three aspects.
At present, several well-known domestic brands, such as Changan, Geely, BYD, and Chery, have a black history of automobile anti-corrosion. For example, the first generation of Changan Yidong broke out the door skirt rust incident, it is said that the reason is because the door sheet metal is not galvanized steel, and later the Yidong was upgraded to galvanized steel after the facelift, and the problem was solved. In addition, the painting electrophoresis process is not up to standard, or the body rust caused by the chassis spraying is not done, I will not name which car companies here.
In short, there is a black history, but now you rarely hear about which brand of car has a large-scale rust incident, which is mainly due to the improvement of the production process of domestic cars, so please give some time to domestic cars, and don't always mention some old sesame rotten grains.
Generally speaking, the corrosion protection of Japanese brands is good, although the corrosion protection of domestic cars is also very good, but if you have to compare it with the joint venture, there are still some differences. Generally speaking, the hot and humid weather in the south is more challenging for the corrosion prevention of the body, especially in Guangdong, Guangxi and Hainan, which are close to the sea, and the most sold in these areas are Japanese cars.
But in general, if you want to do a good job of rust prevention, it will definitely be better to buy an expensive car, after all, all kinds of protection and spraying are more comprehensive. Of course, domestic cars are improving, as long as the use conditions are not too difficult, usually pay attention to it, there is no problem. The chassis of the Porsche Cayenne, armed to the teeth.
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Personally, I feel that Geely and Volvo chassis are sprayed more completely, and the anti-rust treatment is better, so compared with other cars, these two brands have better anti-rust.
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This is mainly related to the price of the car, if you buy an economic car, the anti-rust process is the same. It's a big difference if it's a high-end car.
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The brands that have done a good job in the body rust prevention are Great Wall, BYD, and the Harvard rust prevention of the Great Wall is very good, and my personal feeling is still to look at the price.
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Personally, I think that the Volkswagen brand car repair is better, because the Volkswagen brand adopts German technology, it is better to do anti-rust treatment, and the oxidation resistance is also great.
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In addition, Volkswagen's anti-rust treatment is very good, first of all, galvanized paint, and then in a large number of or reinforcing beams to do cavity injection, that Volkswagen car friends can carefully observe the anti-rust wax solidified in cold weather, the body plate nepeta, especially the chassis part has drop-shaped anti-rust wax, and the metal plate of the chassis that melts off in hot weather is to isolate the rain from the body.
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Generally, domestic cars have poor rust prevention ability, but the anti-rust work of Great Wall, Changan and other automobiles in domestic cars is also very good, and there are many joint venture car brands that have done a good job of rust prevention, such as Citroen, Logo, Volkswagen and other car brands.
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Rust in raw potatoes in automobiles is usually prevented and treated with anticorrosive paint. When choosing an anticorrosive paint, the following factors can be considered:
Durability: Choose an anticorrosive paint with good durability to extend the life of the coating.
Adhesion: Choose an anti-corrosion paint with good adhesion to ensure that it can adhere firmly to the surface of the car, thus providing better protection.
Corrosion resistance: Choose an anticorrosive paint that can effectively resist the corrosion of the surface of the car.
Adaptability: Choose an anticorrosive paint that is suitable for the surface material of the car.
Safety: Choose anticorrosive paint that is harmless to the human body.
The specific brand and model need to be selected according to factors such as the material on the surface of the car and the environment in which it is used. It is advisable to consult a professional before purchasing anti-tresive paint to ensure that you choose the right product.
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Automobile anti-rust paint is to prevent metal rust and improve the adhesion of paint layer, prevent chemical or electrochemical reactions between external substances and metal surfaces, so as to better protect automotive paint surfaces from corrosion and oxidation.
Commonly used automotive antirust paints are as follows:
1. Hongdan anti-rust paint: It is a kind of automobile antirust primer mixed with red dan and dry oil. Hongdan antirust paint has good permeability, good wettability, strong flexibility and firm adhesion.
2. Iron red phenolic anti-rust paint: a liquid mixed with anti-rust pigment and long oily phenolic or ester glue paint, this anti-rust paint has good adhesion, and will not be softened by the topcoat and produce the problem of biting the bottom, which is widely used in the use of anti-rust primer.
3. Iron red alkyd antirust paint: It is made of iron dan, lead chrome yellow and other pigments added fillers, alkyd paints, solvents and driers. The adhesion and hardness are very superior, and the belt has good elasticity and impact resistance. It is suitable for ferrous metal base rust prevention.
4. Gray stupid anti-rust paint: It has superior anti-rust and atmospheric erosion resistance, and is used for spraying outdoor steel structures, such as high-voltage wire iron frames, iron railings, etc., which is the best choice for many outdoor product paints and mechanical paints.
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Which brand of car is most prone to rust? Knowledgeable drivers invariably point to this domestic brand.
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