Anticorrosive or what is the best way to treat the bottom of the car from corrosion on your own? Which anti-corrosion agent is best for a car.

Anticorrosive or what is the best way to treat the bottom of the car from corrosion on your own? Which anti-corrosion agent is best for a car.

11.04.2019

Best anti-corrosion agents for the car are able to prevent the development of corrosion processes occurring in the metal parts of the car. Many car owners know that corrosion is an implacable enemy of metal. The destruction of car parts under the influence of electrochemical and chemical reactions leads to significant damage, comparable to the damage from traffic accidents. The main negative factor is that corrosion cannot be completely prevented, it only slows down.

To protect the body and other parts of the car from rust, it is covered with several layers of paintwork, which forms an impermeable film that prevents corrosion. But over time, the tightness of this coating becomes less effective. This happens to even the most careful drivers.

Factors affecting the occurrence of corrosion

  • The abrasive action of solid fine particles in the counter air flow when the vehicle is moving.
  • Availability on pavement many harsh chemicals.
  • Influence of precipitation, humidity, temperature changes.
  • various mechanical influences.

As a result of the action of these factors, chips, scratches and cracks periodically appear on the paintwork, the metal in such places is not protected by anything, favorable conditions are created for the occurrence of rust.

To neutralize the effect of negative factors external environment and stop the occurrence of corrosion, for the car body there are many means of protection, which are called "anticorrosives". Consider what automotive "anticorrosives" are and which anticorrosive agent is best suited for a car.

Automotive anticorrosive is a special substance designed to cover areas of the body that are most susceptible to corrosion. Such places include wheel arches, underbody, etc. The principle of operation of an anti-corrosion agent for a car is to create a protective film that covers the surface from corrosion.

There are two groups of anti-corrosion agents:

  1. Bitumen based.
  2. Wax based.

There are also many different additives and additives that provide the tool high efficiency: increase the strength characteristics of the metal, slow down the rusting process, etc. A group of materials based on a polymer or paraffin with plastic, rubber and rubber additives has become very popular.

Any anti-corrosion agent has hydrophobic properties, it repels water, not allowing it to linger after a car wash or rain. Novice motorists may have a question about choosing the best anti-corrosion agent. To understand this, you need to familiarize yourself with the features and classification different types anticorrosive.

Classification of anti-corrosion agents

Depending on the content of chemical reagents and features of use, anti-corrosion agents for cars are divided into classes. To determine which anticorrosive is most suitable for your car, you need to carefully study the instructions for their use.

By chemical composition anticorrosives are divided into:

  • Wax and paraffin formulations- create an elastic film that protects the surface from corrosion. They are highly resistant to temperature extremes.
  • Oily non-drying formulations- are always in liquid form during the entire service life, preserve cracks and pores in the material, have good fillability.
  • liquid plastic- it is advisable to use as auxiliary means, since it does not have high durability and reliability.
  • Compositions based on rubber and polyvinyl chloride- have high reliability and durability, are used in industrial conditions.
  • Bituminous mastics- they are produced from synthetic resins, serve to protect the coating from external mechanical influences, provide conservation metal surfaces. The layer of application of bituminous mastic is usually not more than 400 micrometers.

Car enthusiasts who want to determine the best anti-corrosion agent need to know that the last three grades of anti-corrosion are used to protect easy-to-access exterior coatings, as well as to treat hard-to-reach places car.

Requirements for anti-corrosion agents

To resolve the issue of choosing the best anticorrosive, experts recommend considering the requirements for such funds.

Requirements for anti-corrosion agents for hard-to-reach places

  • Before choosing such a tool, you should find out its expiration date.
  • The agent must have hydrophobic properties, that is, moisture and water penetrating the treated areas should not linger there for a long time, and quickly disappear.
  • Qualitatively fill all micropores and microcracks, rusted areas.
  • Have good adhesion properties, form a uniform coating.
  • Do no harm paintwork car body.

Among this type of anti-corrosion agents, non-drying oil compositions can be distinguished. They are constantly in liquid form, which makes it possible to qualitatively fill hidden microcracks. Also, such a tool has a longer service life, since it fills all the newly formed damage. Oil products do not have high mechanical strength, so they are not suitable for the outer coating of the body.

Paraffin-based (wax-based) anticorrosive agents have been developed, which act with great efficiency, being in liquid form. When the solvent completely evaporates from the composition, the protective properties are reduced. Such anticorrosive is applied by various methods.

Wax means is well applied on the painted surface, and on unprotected metal. After drying, a wax film appears on the metal surface. Although such a tool has insufficient adhesion and reliability, its elastic qualities of the coating are maintained throughout the entire period of action of the composition.

Secondary treatment with the same compounds will be useless, since rust is already progressing under the first layer, and the new layer will not penetrate into the depth of the surface. Most hard-to-reach products lack the penetrating power to soak through first coat defects and rust well. Therefore, the contained moisture contributes to the further destruction of the metal. In this case, it is better to use an oil anticorrosive agent, which has increased penetration and the ability to stop corrosion under the first layer.

Requirements for anti-corrosion agents for open spaces

  • Do not collapse from the impact of small stones and road gravel flying out from under the wheels of cars.
  • Be elastic, do not collapse when the body is deformed.
  • Have good adhesion.
  • Neutralize the effect of electrolyte that has fallen on the car body.

Today, there are many such protective equipment on the market. They are made from synthetic bituminous resins, include rust inhibitors. Such tools can perform several different functions:

  1. They provide metal protection from external influences, however, wax products also perform the same function.
  2. Bitumen-based mastics protect the body from mechanical damage. This refers to the conditions in which the wheel arches or the lower part of the body are operated.
  3. Collision with obstacles, stones cause damage to the protective layer. Quality tools must be durable and sustainable. They are smeared with a thick layer on the body, they are also good sound insulation. With their help, you can reduce the level of vibration of the body. Applying a certain layer of mastic reduces the resonance frequency of the parts.

Bituminous products are also divided into:

  1. Drying agents.
  2. Non-drying anticorrosives.

Mastics that are constantly wet have little mechanical resistance, but retain elasticity for a long time. To improve their abrasive strength parameters, a dispersed metal powder consisting of fine metal particles is added to their composition.

Previously, aluminum was used as such particles, now bronze is used more. New development steel zinc bituminous mastics and rubber polyvinyl chloride mastics.

The technology for applying PVC means is that the polymer is melted, then applied to the surface of the metal. This is the most durable coating against corrosion at present. The best PVC coatings have great strength and elasticity, as well as an increased degree of adhesion of the metal surface and the applied agent.

Together with the above anti-corrosion agents, liquid plastic is currently used. After its application, a plastic polymer film is created, providing quality protection paintwork from exposure to sand and stones. This tool is most widely used for the front of the hood, wheel arches and other elements. But, anticorrosive in the form of liquid plastic is not able to provide basic protection against rust, as it does not have a high level of protection against mechanical damage. But as an auxiliary protection - it is quite suitable.

Only after evaluating the criteria considered, it is possible to determine which anti-corrosion agent is best suited for the car.

​When choosing an anti-corrosion agent for your own car, it is unlikely that any specialist will be able to give recommendations on the versatility of one or another agent, suitable for absolutely all tasks. A wide range of anti-corrosion agents enables drivers to organize effective protection your car, taking into account all the design features.

Common anti-corrosion agents:

  • Movil- a product with increased penetrating properties, protects the car from rust and excess moisture. After processing with Movil, a wax layer is created that has high durability and reliability.
  • Mastics based on bitumen and rubber- serve for unprotected paintwork places, wings, floor in the cabin.
  • Rubber-bitumen mastics- well proved at the big differences of temperatures, when processing internal and external parts of the car. The mastic layer has good elasticity and is well retained at low temperatures, does not peel off or crack.
  • Slate mastics- they are used for the bottom of the car body and for the outer surfaces of the wheel arches. The bitumen-based coating protects the metal from moisture and corrosion.
  • Threshold antioxidant - is suitable option to protect racks, doors and other parts. Hidden cavities must be treated with a preservative that is not sensitive to corrosion and moisture.
  • Antigravel- Drivers use it to apply on the thresholds, bumper, body. It provides protection to the car from the effects of sand and gravel. The anti-gravel is made of rubber, providing an elastic film of high strength.
  • Anti-corrosion agent for rust - able to turn the rust layer into a special film that does not allow corrosion to spread further. The use of this type of product does not require cleaning of rusty areas.

Benefits of anti-corrosion agents

Some motorists argue that the use of anti-corrosion agents does not give any effect, but is only an unjustified waste of money. There is also an opinion that it is not worth changing natural processes, allowing the car to work out its time, originally laid down at the manufacturer's factory.

  • When operating the vehicle in adverse conditions external signs corrosion occurs after 3 years. This rapid onset of rust cannot be considered a natural process, as many car owners rely on long-term use for many years.
  • The cost of treatment with anti-corrosion agents is significantly less than the cost of purchasing or repairing a new car.
  • Passing technical inspection with availability anti-corrosion treatment bodies are much simpler, which is confirmed by many drivers.
  • Non-toxic ingredients.
  • Fire safety.

The considered anti-corrosion agents allow you to take care of your car without great difficulties, damage to the family budget and loss of time. modern car requires compliance with the requirements of operation and careful attitude. These requirements also include the treatment of the car with anti-corrosion agents. Today, many companies are working on the creation of tools that prevent metal corrosion, these are foreign and domestic developers.

A modern factory anticorrosive agent quite effectively protects the body from corrosion. But nothing lasts forever. To keep the iron in good condition, the protection needs to be updated. In addition, competent processing will help to slow down the corrosion process that has already begun for a long time.

Underground

In addition to the visible wear of the lower part of the body from the constant "sandblasting" and road reagents, corrosion of the internal cavities is inevitable. Welded seams and rolled joints in the door panels and trunk lid are also at particular risk. The trouble with such zones is inferior priming and staining even in the factory.

The corrosion process is noticeably accelerated in hidden cavities. Due to poor ventilation, moisture and dirt accumulate there mixed with road reagents, forming an electrolyte - a corrosion catalyst. And if its external manifestations are visible on the welded points of the bottom, on welds and in places where the panels overlap, it means that everything inside is much worse.

The drying time of the bottom after washing depends on the equipment available in a particular service. For example, two heat guns with a power of 24 kW, providing a flow of hot air with an intensity of 2500–3000 l / min, cope with the task in about half an hour. At the same time, they are sequentially moved under the car in order to fully dry the hidden cavities.

The drying time of the bottom after washing depends on the equipment available in a particular service. For example, two heat guns with a power of 24 kW, providing a flow of hot air with an intensity of 2500–3000 l / min, cope with the task in about half an hour. At the same time, they are sequentially moved under the car in order to fully dry the hidden cavities.

Before application, the bottom and hidden cavities of a middle-aged car are washed and dried. This procedure itself significantly delays the onset of serious corrosion, since it rids the surfaces of aggressive electrolyte.

To protect the body, two main methods of anti-corrosion treatment are used.

Canadian approach

In Canada, a humid cold climate prevails, which favors the appearance and development of corrosion. Therefore, it is Canada that is considered the legislator of the so-called ML-method of body protection, although it was invented in Scandinavia.

The method involves pouring ML-oils (analogues of the usual Movil and the popular Rast Stop product) into the hidden cavities of the entire body through existing factory technological holes and drains. Penetrating compounds impregnate welds well and cover the inner surfaces with a film that reliably insulates from contact with air. The same materials cover the bottom from the outside.

The ML method is not demanding on the quality of body preparation and forgives a lot of mistakes when applying the composition. In the same Canada, the bottom is not fully washed, but only large pieces of dirt are knocked down. The ML oils used have excellent penetrating power and well impregnate surfaces and seams even under such conditions.

They can also be applied over any rust - corrosion inhibitors (retarders of a chemical reaction) are included in the composition. But in order to achieve maximum effect the bottom and its hidden cavities should be thoroughly washed.

When treating open bottom panels with ML oils, it is permissible to pour over almost everything except the exhaust system and oxygen sensors. And there will be no big trouble if protective compound gets to the outlet: it will not ignite from heated pipes, but will burn, smelling slightly. But the lambda probes must be covered: if even a little oil gets into the windows of the outer case, the sensor will die.

The disadvantage of ML oils is their low mechanical strength. In hidden cavities, they last for years, and on open surfaces they are quickly erased.

Chemical manufacturers are developing and processing schemes for machines specific models. They indicate the factory technological holes and additional ones that are proposed to be drilled in order to fully fill all the hidden cavities. In fact, servicemen rarely make holes in the body - if only because the owners are often against it. In most cases, additional holes are not so necessary for full processing. By the way, these diagrams are useful for studying the structure of a particular body, especially when rare model.

SWEDISH ANSWER

The abbreviation ML stands for anti-corrosion compounds for hidden cavities of the car body, as well as the processing method. Behind these letters are two authors: the Swedish Automobile Association Motormannen and the ideologist of the direction Sven Laurin. At the end of the 1950s, one of specialized companies offered car owners a new service - complete bodywork using the ML method. Although for the first time this technology was tested 20 years earlier.

The Swedish ancestry is explained by the difficult local climate, which accelerates the corrosion of iron. On a global scale, power engineers faced this problem when high-voltage masts began to be actively built in the country. Their tubular structures were rotting from within at a terrifying rate. It was then that Laurin proposed his own method - through existing or drilled holes, pour anti-corrosion oils into hidden cavities.

Movil, the Soviet analogue of the Swedish ML oils, received a consonant name by accident. This composition was developed much later by scientists from Moscow and Vilnius, the Russian and Lithuanian capitals, and gave the remedy a name. In those days, it was fashionable to invent funny abbreviations and abbreviations.

old light

The second approach is European, more serious. In addition to the cavity treatment with ML oils, hard (bituminous) protective compounds are applied to the exposed underbody panels and wheel arches. This method is more demanding on quality preparatory work. It is important to fully wash the open bottom panels, otherwise the bituminous compounds will quickly peel off.

The main advantage of bituminous coatings is high mechanical strength. Their various types, for example composition for liquid wheel arch liners or for bottom panels, they are able to protect the metal from external influences for a long time.

These covers are optional. They are applied in several layers, and films of this thickness are sufficient to reduce the vibration level of the panels. On some machines, the effect is more noticeable, on others - less. Important role plays the subjective perception of the driver and the design features of the car.

Bituminous coatings can be applied to rust, but with reservations. If the corrosion is superficial, just in case, the affected area is impregnated with ML-oil and after that a solid composition is applied. With deeper layered rust, impregnation with an ML compound may not help. Moreover, the development of corrosion cannot be controlled, because bituminous coatings, unlike ML oils, are opaque. Therefore, the master in each case evaluates the degree of rust damage and the possibility of applying a bituminous coating on top of it.

For the treatment of the bottom with bituminous composition, the same restrictions apply as with ML oils. Bitumen, like ML oils, can be removed with solvents when it enters the outlet, but much more time and effort will have to be spent.

DANGEROUS ECONOMY

There are a huge number of companies on the market offering their anticorrosive compositions. All products are of comparable quality, but well-known players should be preferred, for example: Tectyl, Noxudol, Dinitrol, Waxoyl.

Branded chemistry is not the cheapest, but it has been repeatedly tested. It is with her that specialized services work, which have seen the results of using products from dubious manufacturers. Poor-quality products do not protect, but kill the body. For example, the left ML oils, instead of deeply impregnating surfaces and seams, creating a protective layer, act the other way around. They have very low fluidity, clog drains, and also form a thick membrane film, under which corrosion only accelerates. And cheap bituminous compounds have an extremely low service life. Quickly drying out and cracking, they to some extent protect the body from mechanical stress, but not from corrosion.

Election campaign

With year-round operation of the car in a large city, where roads are actively watered in winter, the first external signs of internal corrosion appear after about five years or 100,000 km of run. The most economical way to significantly extend the life of the body is to wash the bottom and its hidden cavities every 50,000–70,000 km. In Moscow, this service costs 2000-3000 rubles.

Ideally, it is worth supplementing the first wash of the bottom with the treatment of its hidden cavities. Moreover, at the next visit, for example, after 50,000 km, it is no longer necessary to flush the internal cavities and refill them with ML-oil - it “lives” there for a very long time. Such complex processing will save a decent amount. For example, for 8000-9000 rubles they will fully wash the bottom, treat hidden cavities and apply ML oils to open panels.

This option is suitable for normal urban use. On open surfaces under such conditions, ML oils can withstand 20,000–30,000 km of run. And if the bottom is closed with plastic shields, the composition will last much longer. A combined approach is also possible. Unprotected and especially prone to "sandblasting" areas are covered with a bitumen composition. An owner who wants a long life for his car can "douse" it with ML oils every year over old coatings.

Processing with bituminous materials makes sense when operating in difficult conditions and very large annual runs. This option is suitable off-road enthusiasts and owners commercial transport as well as amateur racers. It is suitable for both used and new cars. The bitumen coating of the bottom, if not actively killed, lasts for five to seven years. That is, it is quite enough for the average period of owning a car. After the bituminous coating has worn out, it is partially cleaned off and a fresh layer is applied. A package of services, including washing, treatment of hidden cavities with ML oils and application of a bituminous coating on the bottom, is estimated at about 15,000 rubles.

The cost of body protection is comparable to the cost of car maintenance - complex treatment with ML-oils and treatment with bituminous compounds cost the same as the first and second maintenance, respectively. Usually it is enough to spend money on anticorrosive treatment only once or twice - these investments are repaid when the car is sold.

ONE BLOOD

Bituminous materials for the protection of bottom panels and fender liner have a single base, but differ from each other, let's say, in additive packages. They are added to increase the mechanical strength of the coating in the zone of active external influence - for example, on the wheel arches. To do this, the base base includes a reinforcing filler - rubber crumb. Accordingly, such a composition will be more expensive. Such a coating can be applied to other parts of the body. Let's say, on the rapids, subject to strong "sandblasting" from the wheels.

Manufacturers supply formulations for liquid fender liners in various containers and different consistency, but with the same characteristics. Thanks to this, services can use the most convenient equipment for working with them. Thick formulations are applied with a brush in several layers, and liquid formulations are applied with a spray gun or a euro gun. More viscous material can be diluted with a solvent to use any available equipment.

We thank Antikor.rf for their help in preparing the material.

The car body is made, as you might guess, from metal. No matter how good it is, the appearance of rust and corrosion is an irreversible process. Of course, there is a way that will allow you to delay these phenomena as much as possible. Drivers prefer to use anti-corrosion for cars. This method is widely popular, but you should choose the right processing. Professionals know how to do this, but novice motorists will also need this information.

Selection Options

Before you figure out which anti-corrosion agent is better, you need to decide on the general parameters that need to be taken into account. The tool must be selected for certain parts of the machine. Some parts are internal and some are external. For high-quality processing of hidden cavities, a tool that repels moisture, but allows air to circulate, is suitable.

If we are talking about external processing, you will need a protective agent that is resistant to various mechanical influences such as dust, dirt and sand. When buying anticorrosive for a car, it is important to pay attention to its quality. Confirmation quality product will be the presence of numbers, series, expiration dates and the availability of instructions for use.

How does it work?

The principle of operation is simple. Once on the metal, substances "eat" into it, forming a special protective layer. The bottom line is that rust does not form under this layer. If she was there, then the process stops.

If the viscosity is insufficient, it is likely that the metal will still be exposed to negative environmental factors. Regardless of which anticorrosive agent is used, the principle of operation is identical. IN this case it doesn't matter which is better and which is worse.

Application technology

First comes the preparation stage. It is necessary to determine the scope of work and prepare necessary materials. Then you need to remove all parts that make it difficult to access the surface to be treated. You will have to remove the wheels, sound insulation and other elements.

When the first two steps are completed, you need to thoroughly rinse the case so that it becomes perfectly clean. This important point. The remaining dirt will not allow the anticorrosive agent to fully process the body. Cover parts that cannot be removed with a rag. Next, a primer is applied. It dries up and the processing phase begins. It is performed according to the instructions provided by a good manufacturer.

At the stations Maintenance a special gun is used that sprays the product. If it is not, then you should initially buy funds in cans.

Types of anticorrosive

There are different anti-corrosion materials. Each has advantages and disadvantages. Below is a rating of the most popular funds, compiled by buyers.

  • 4. Tektil - applied to a completely dry surface. It dries quickly and instantly forms a protective layer. This layer is impact resistant. If the driver hooks it on the asphalt, rust will soon appear in the damaged area. She gets under protective covering and the decay process begins. The price ranges from 300 to 450 rubles. Based on the responses of people, a few were satisfied with the action of anticorrosive. There were no questions only for those who do not follow the car, but use it as " workhorse." They have a persistent, unpleasant odor.
  • 3. Anticorrosive Rust Stop can be purchased at the automotive market. The cost is low. For 1 liter you will have to pay 300-400 rubles. Provides reliable protection subject to a well-prepared body. Designed for external processing, but also used for internal. Consumers had no complaints about the quality of processing. The problem is that it is very liquid. Users noted that for a few more months it follows from all the cracks.
  • 2. Cordon is famous for its density. Used inside and outside. To bring it back to normal, you need a solvent. After mixing, it takes the necessary fluid state. User reviews say that it is pleasant and easy to work with him. Freezes quickly. The thicker, the longer this process will last. The smell disappears for two weeks, which is a fly in the ointment in a barrel of honey. One treatment is enough for a year and a half. For 1 liter you need to pay 400 rubles.
  • 1. Dinitrol is considered one of the best anticorrosives. Provides high-quality protection of external surfaces. If the driver accidentally damaged the protective layer, nothing will happen. No bad smell. You can buy for 400-500 rubles. The one who used such a tool is satisfied with the result. There are no negative opinions. It is noteworthy that the product falls only on the cleaned surface. Complete drying is not necessary.

Unfortunately, in the process of operating your own car, damage to the paintwork is a common thing. After a mechanical hit on gravel, small chips and scratches remain. They also occur as a result of an incorrect washing procedure or a poor-quality cleaning agent. These problems in the future provoke the spread as a result of penetration into damaged places humidity. Protection is required - a special anti-rust agent. How to choose and apply - details in this article.

What is anticorrosive

Chemical compounds that stop the formation of "saffron milk caps" are called anti-corrosion agents. Conventionally, the composition that prevents the spread of rust - anticorrosive for cars, is divided into several groups, combined into two large ones:

  1. wax mixture,
  2. Bituminous mastics.

These compositions become the basis of each product that is on sale at the corresponding outlet. Subsequently, their various additives, providing a means additional functions. As additional components, the anti-corrosion composition for metal uses rubber, paraffin, plastic, silicone, rubber. guarantee the car a protective function and a preventive one - the composition is able to displace moisture from damaged areas.

Means for anticorrosive. How to choose?

Believing that the car will not hit the trouble in the form of rusty spots until the end of the warranty, the owners make a gross mistake by not doing preventive maintenance to their own car. Most frequent places the occurrence of rust pockets - the bottom, wheel arches - invisible at first glance, then they turn out to be inevitably spoiled. Therefore, the use of funds is necessary from the first year of operation of the car.


The issue of applying anticorrosive to the entire area of ​​\u200b\u200bthe car is resolved positively under the following circumstances:

  • Even expensive anti-corrosion ones definitely cost less than a new car.
  • The climate of the area is different sharp drops temperature and possible weather anomalies - frequent rains, hail.
  • No permanent garage or covered parking for cars.
  • Hassle-free inspection.

It is always easier to prevent the consequences than to correct your own negligence and inattention to the car, so it is important to choose an anticorrosive agent that meets the problems.

Kinds

The range of such goods is diverse. Before choosing a particular option, you should understand its types. Only then will the acquired anti-corrosion agent for a car be of high quality, meeting the conditions of the problem. So:

  • Bituminous resins or mastics. When applying the agent, the metal surface is preserved on long term, Bye mechanical processes will not have a detrimental effect and will not tear off the anticorrosive layer. Therefore, it is recommended to apply it in a thick layer up to 400 microns.
  • Anti-corrosion agents based on rubber and pvc. The most durable and long lasting. It is applied mainly during the factory assembly of the car - not manually. The composition is complex, which does not prevent fraudsters from using imitations in the public domain.
  • . As a result of the application, all sorts of aesthetic defects are hidden, but at the same time, the coating is not considered strong and reliable - when the surface interacts with a gravel road, it flies off in a matter of days.
  • Liquid anticorrosive for the bottom of the car and other hard-to-reach parts. It is created on the basis of oils that do not dry out over time, thereby protecting car components in a protected state. The composition fills all the cracks obtained mechanically.
  • Paraffin anticorrosive agent for rust. Or as it is called differently - wax. After application, a thin film remains on the surface of the machine, preventing the metal from interacting with air and fumes. Why the very possibility of the origin of rust disappears. It has the advantage of not changing its own properties, even with large temperature fluctuations.

In such a variety of assortment, a reasonable question arises - which anticorrosive is the best? Even experts will not give an exact answer, because the rule applies - that anti-rust agent that meets the requirements will do.

Requirements

It is important to carefully consider the information below - it depends right choice protective agent for cars and durability, respectively. So:

  1. Correct anti-corrosion coating inert to the paintwork of the machine. It does not come into contact with it, does not corrode the surface. This is especially important for new cars.
  2. High-quality is homogeneous and has high adhesion on any surfaces of the car, whether it be the bottom or hard-to-reach, constantly wet places.
  3. The best automotive anti-corrosion mastic is able to penetrate already affected places, “fill up” cracks. After application, the agent necessarily forms, which contributes to the expulsion of future moisture.
  4. Means for the car are elastic, resistant to external factors, compositions. They do not respond to changes in the aggressiveness of the environment, temperature changes and other weather "surprises".

The declared functions on the packaging of the composition in without fail must be true and practical. If there is a marriage after a while after operation, the return is natural. It is important to carefully consider the choice of supplier - anti-corrosion agents do not exclude fakes.

Selection and criteria

Corrosion of metal by rust has a different origin - chemical and electrolytic. In the first case, corrosion begins when the metal interacts with strong oxidizing agents, in the second case, the humidity of the environment with the addition of destructive reagents to it. According to this, the best anti-corrosion agent for cars is chosen, the choice of which is wide and varied. Service center specialists help you choose the composition for a particular car. But if there is no desire to turn to professionals, then what to focus on when self-selection? It is important to ask yourself the following questions:

  • Vehicle lifespan. New cars need protection almost more than used ones. Up to 8 months, under warranty, such a service will be provided in a specialized service center. After that, you will have to deal with the problem yourself, after consulting with professionals.
  • The extent of the damage. If the corrosion process is extensive, then it will not cope with the treatment, even having acquired the super best anticorrosive for the car. Decomposition will also go under it, which is fraught with falling off of entire parts along the way. prevent dangerous situation, perhaps only by replacing the affected parts and subsequent coating with anti-corrosion.
  • Machine ready for sale. In this case, anti-corrosion agents for the car are selected. domestic brands, inexpensive mastics, waxes. The future owner should be warned about the procedure.

Choose the right body protection product (the range is really large)

The result of choosing which anticorrosive agent is better also depends on compliance with the processing mode. In the event that the car is constantly on the move, then the quality of the coating will be halved, no matter how expensive the composition is.

The choice of mastic for cars

Judging by the reviews, mastics for the car received the greatest popularity among motorists. Each option of them has different qualities from the others, which is why the choice is made. So:

  1. Bituminous and rubber mastic for the car. It is applied to any surface of the car - internal, external, hidden, treated with paint and not tinted. The bottom of the car is processed, and from two sides - from the passenger compartment and from the outside. Well established itself as a reliable barrier to moisture.
  2. Slate mastic. As a rule, it is used on the bottoms of the car - the bottom, wings, wheel arches from within. Good anticorrosive qualitatively prevents corrosion.
  3. with the addition of bitumen. It is used on all car surfaces and shows itself well at sub-zero climatic temperatures - it does not crack. Doesn't loosen.
  4. Threshold anticorrosive antioxidant. Works on rusted surfaces, pushing out moisture and protecting clean parts along with foci. It requires an important condition - before coating, the car is treated with a special preservative and then a protective compound is applied, otherwise the development of corrosion is inevitable.
  5. Anti-gravel. It has all the qualities, like anti-rust for cars + creates a layer on the surface of the car that prevents mechanical damage while driving. They, spoilers, sills, doors and other parts that interact with the road and its shortcomings.

Mastics for cars will not damage the appearance of the car if the procedure is carried out correctly. In addition, the choice of color is limited to black, gray and colorless. Therefore, choosing the best anti-corrosion agents for cars that meet a specific task is not difficult.

Features of working with anti-corrosion agents

The stages of work on independent anti-corrosion protection of a car are not numerous. However, each is important and requires full observance. Otherwise, the result will not be the best, which, of course, will affect the durability of the coating. So:

Machine preparation

It includes a complete cleaning of the car from sealing rubber bands, the release of the interior and trunk from foreign objects, the removal of wipers. The interior and control pedals are covered with a cloth or pvc film so that polymer bitumen mastic for cars or other means does not leave marks inside. In addition, the released car is thoroughly washed with warm water and dried. The last step is especially important.

Since the processing is carried out not only on external surfaces, but also inside, for this purpose you will have to use a drill to punch holes. It is important to drill them on a single-layer sheet of metal with already existing technological holes. When it comes time for processing, it is important that in hidden places, the wiring that feeds the equipment of the car is securely insulated.

Application of anticorrosive

If it is a liquid anti-corrosion paint for cars, use a sprayer. It is offered as a set for anticorrosive. For mastic requires a soft brush. Drainage holes for draining excess fluid from closed places - doors, under-wheel areas - are freed from dirt and dried thoroughly. Through the holes, with the help of different nozzles - long and at an angle - the area of ​​\u200b\u200bthe metal is processed.

Treat welds and non-metallic surfaces subject to rot transferred from rust. Anticorrosive for the bottom is applied in a thick layer with a brush. The time for polymerization of each product is given individually - from 25 minutes to 5 days, during which it is impossible to use the car for its intended purpose.

If the process is carried out correctly, then the result will satisfy the owner to the fullest. But! It is worth knowing that car prevention is carried out at least once every 3 years, since there is no “eternal” anticorrosive agent, given the conditions of Russian roads.

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And we must not forget about the rule - to protect the affected car does not mean to stop the process of destruction.

Car body rust treatment has a long tradition in our country. In the days of the Soviet Union, when a car was purchased once and for all, motorists covered the bottom with tar and filled the thresholds with hot fuel oil. At the dawn of the market economy, second-hand foreign cars also sought to extend the life. Now the era of technological anti-corrosion mastics has come, allowing you to look at the relevance and effectiveness of "anti-corrosion" from a different angle.

The essence of applying a protective layer is to create a hydrophobic coating on the elements of the body structure vehicle. Before answering the question, what is the best way to treat the bottom of the car from corrosion, it is worth noting that fundamental differences there is no new and old car in the methods of processing the bottom. The only difference is that the battered bottom needs to be brought to a new state, rust removed, and then the technologies are identical.

Since you need to think not only about , but also about protecting the body from rust, we list the main areas that usually need anti-corrosion treatment:

  • Door racks.
  • wheel arches.
  • Spars.
  • Thresholds.
  • Bottom.

The industry produces a fairly wide range of anticorrosive agents. All of them are divided into two groups - materials based on synthetic resins or bitumen and based on wax. Each manufacturer offers its chips in the form of additives in the form of zinc, polymers, rubber or bronze.

To correctly understand what an anti-corrosion agent does for a car and which one is better in all this abundance, it is enough to know two things:

  1. Hardening mastics are used for processing open body structural elements: the bottom and wheel arches.
  2. Non-drying preparations for hidden cavities with lack of ventilation: thresholds and pillars.

The quality of anti-corrosion protection depends on the level of surface preparation and compliance with technological nuances. It's about the same as - don't expect any quality without a thorough start.

Some motorists prefer independent production mixtures, but often this ends in wasted time and money. Therefore, it is worth using factory autopreservatives, especially since there is no shortage as such, and their price is quite affordable.

Stop rust or the better to treat the bottom of a car from corrosion in garage conditions

Anticorrosive agents intended for processing external parts must meet several requirements:

  • Withstand deformation phenomena in the body structure.
  • Reliably protect metal from various aggressive substances.
  • Ability to withstand mechanical impacts.
  • Have a high degree of adhesion.
  • Have good elasticity.

There are quite a lot of similar tools on the market, it makes no sense to disassemble each one. Therefore, we will consider some of the most popular, and therefore, effective ones.

When applied, the anticorrosive preservative forms a dense film. It is better to work with a brush, spreading two or three thin layers at intervals for drying for 30 minutes. This, of course, is not entirely perfect solution the question is, what is the best way to process the bottom passenger car from corrosion, but the price of a liter of the mixture is very attractive - 167 rubles.

The mastic does not dry out for a long time, but after that it turns into an elastic layer, which is not so easy to remove in pieces. It can be used not only in the processing of the bottom, but also thresholds and internal door frames. The only condition is that you do not need to make a thick layer, because at the slightest mechanical contact with a solid object, a large area of ​​\u200b\u200banticorrosive can fall off. Therefore, it is sufficient to comply and don't try to improve it.

The advantages of the drug include the ability to perfectly preserve areas affected by rust. The corrosion process is suspended due to the complete blocking of air access to the destruction site. This will allow you to forget about the problem for several years, but even a small scratch can resume the process.

As a result, Movil Zinc is a wonderful tool for curbing already begun corrosion and temporary protection of the car bottom. You should not expect a special effect from this composition, it is best for them to treat places that are not subjected to mechanical stress.

Body 930 by HB Body

Mastic is produced in a package different capacity, which makes its acquisition profitable for one-time use. The mixture is based on rubber, so it is quite viscous, which allows you to apply a thin layer of corrosion protection even with a brush. Although the Greek company is not famous for its quality materials, acid primer and Body 930 showed good results.

Drying, the mastic forms a hard coating that does not crack and copes well with mechanical stress from gravel or sand. When buying a can of this preservative, we can say that the question of which anti-corrosion agent is better for protecting a car is practically resolved. It remains to take into account several features of the drug and recommendations for its use:

  • Excellent mask for , creating a qualitative barrier to oxidative processes.
  • The only problem is that after two or three years the coating needs to be renewed due to intensive mechanical impact rubble or gravel.
  • To be absolutely sure that salts and water do not get to the metal, it is desirable to apply an additional layer on top of the mastic. If a crack appears on the main layer of anti-corrosion protection, then Movil will close it.

Liqui Moly Unterbodenschutz by Liqui Moly GmbH

One of the best body anticorrosives is a thixotropic mixture consisting of bitumen, solvents, synthetic resins and special inhibitors. The elastic coating is resistant to abrasion, and also has excellent soundproofing properties.

As the layer thickness increases, the layer resistance to abrasion and rust protection increases. Therefore, it is desirable to make at least two layers.

We will find out which anti-corrosion agent for a car body is better when processing internal cavities

The main feature of this type of anticorrosives is their oil base, which does not dry out. Such a preparation will always be in a liquid state, which makes it possible for it to fill all microcracks. Most formulations are made on a paraffin or wax base.

It is important to note that repeated processing with mixtures of the same composition will not give the desired result. For example, you cannot work with wax on wax or mastic on mastic, because the new solution will not get inside the existing coating, and corrosion will progress.

To understand the best way to treat the bottom of your car from corrosion, you need to remember a few important requirements that apply to anti-corrosion mixtures for hidden planes:

  • Homogeneous composition structure and high degree of adhesion.
  • Anticorrosive should not destroy the paint on the car body.
  • Avoid contact of moisture and electrolytes with body metal.
  • Formation of an elastic film and careful filling of all microcracks.

The product is available in plastic containers and is a liquid composition that can be applied even with an ordinary sprayer. The processing procedure is not particularly difficult, as well as , therefore, within the power of a novice driver.

The coating easily withstands pressure washing, but is not able to withstand crushed stone and gravel. Mastic is absolutely neutral to rubber, therefore it is suitable for processing metal elements under glass and door seals. It is this quality that distinguishes this product from Movil in a glass bottle, the latter deprives the rubber of elasticity.

The main areas of application: the internal cavities of the wings and trunk, body structures under the seals and the floor inside the car. Experienced motorists actively use Movil-Zinc to protect painted and chrome-plated car parts. Even after three or four years, after removing the coating, chrome retains its luster.

Zinc BodySafe by Tectyl

The drug combines all the wonderful properties that exist in Movil and mastic. Produced in aerosol cans complete with all kinds of nozzles for comfortable work. The mixture has good fluidity, so you do not need to plentifully process the plane, otherwise you can waste anticorrosive.

If you have not yet decided which anti-corrosion agent to protect your car from rust is better, then this is the drug that you should pay attention to:

  • The aerosol jet makes it possible to get into any bends and cavities.
  • The coating resists peeling even with the development of under-film corrosion.
  • The coating has a fairly solid structure, which allows you to do without additional processing for a year or two, and if the machine is equipped with mudguards, then it will last for 5-6 years.
  • Possibility of processing the bottom of the car.

The manufacturer claims that the drug fits well even on areas corroded. But practice shows that it is better to first get rid of rye, carry out phosphating and car painting , and only after that apply a protective mixture. In turn, Tectyl experts recommend making a three-layer coating, which includes:

  • The first layer is Tectyl Zins ML.
  • The second layer is Tectyl BodySafe.
  • The third layer is Tectyl 190.

Of course, such a processing scheme will be expensive, but reviews from motorists claim that the technology is worth the money. For drivers who prefer to do without mudguards, the craftsmen recommend treating the bottom of the thresholds with a layer of Body 930, and walking on top with Tektil.

Summary

In the case when a critical level of rust has formed in closed cavities, it is necessary to Apply Movil with a rust converter. If the car is new, then any of the listed drugs will do.

in our harsh climatic conditions for the bottom, the optimal coating would be Body 930 plus Movil in a glass container or Tectyl Zinc BodySafe. The latter anticorrosive is preferable, but more expensive. Tektil is also effective when working with internal cavities, but Movil will cost less, which, moreover, can be found in aerosol cans with all kinds of additives.

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