Anti-corrosion protection of the car body

Anti-corrosion treatment of car body

All elements of the car are exposed to the influence of an aggressive external environment, but metal parts are especially susceptible to corrosion.

As a result of exposure to anti-icing compounds, moisture and technical fluids, the corrosion that forms on metal elements not only spoils the appearance of the car, but also leads to a decrease in the design characteristics of components and parts, and in some cases, the operation of the car becomes impossible.

In most cases, factory anti-corrosion treatment does not sufficiently protect the body and tail of the car. Even on prestigious models, the car’s anti-corrosion coating loses its properties over time, not to mention budget models, where body protection is the last thing they think about.

In order for metal elements to last long enough, the condition of the anti-corrosion coating should be periodically monitored and restored in a timely manner.

Corrosion of elements

Car elements are exposed to harmful external factors to varying degrees. Also, corrosion resistance largely depends on the car model . You can learn about the weakness of the corrosion resistance of car elements on the forums in the relevant sections discussing the model. The following car elements are most susceptible to corrosion:

• Thresholds;
• Wings;
• Doors;
• Bottom;
• Window frames.

Particularly susceptible to corrosion are places where moisture may accumulate or the protective layer from sand and dirt is actively being erased.

Modern anti-corrosion materials can reliably protect car body elements; you just need to select them correctly and apply them in accordance with the manufacturer’s instructions.

Anti-corrosion materials

Anti-corrosion materials can be divided into two main categories, intended for:

1. processing of external surfaces;
2. processing and filling of internal cavities.

Surfaces such as the underbody, wheel arches, and sills are highly susceptible to sand and stones, so anti-corrosion protection on these elements must be applied in a thick layer. As protection, special mastics based on bitumen resins, polymers or rubber compounds are used. In addition to anti-corrosion protection, these compounds reduce noise pollution in the car interior.

Anti-corrosion treatment of the bottom and wheel arches with these compounds is carried out using brushes or spraying using special equipment. The consistency of mastics is quite thick, so usually during processing they are diluted to the desired consistency with recommended solvents, which evaporate after application.

Elements diluted with solvents with mastic should be processed several times with mandatory drying between applied layers.

Preparations for protecting internal cavities have a liquid consistency and must have the following properties:

• Good penetrating ability;
• Neutralize rust;
• Good moisture-repellent and water-displacing characteristics.

These preparations are based on wax or oil components. For high-quality professional treatment of internal cavities, you will definitely need an anticorrosive gun and a compressor.

To independently treat with anti-corrosion materials, your choice should be anti-corrosion in cans. The drugs in the cans are under the required pressure, and they themselves are equipped with devices for treating deep cavities.

As such a device, a polyvinyl chloride tube with a special sprayer at one end is usually used.

Methods of anti-corrosion treatment

Anti-corrosion treatment of a car can be carried out at a car service center or with your own hands. Both methods have their advantages and disadvantages.

Processing in the service

This method of anti-corrosion treatment has the main advantage that it will be performed by professionals who perform such work every day.

The advantages also include the availability of professional equipment and tools, knowledge of the features of a particular car, the availability of the required materials and short deadlines for completing the work.

The main disadvantage is the cost of performing the work; in good workshops it simply cannot be cheap. It should be taken into account that most car services work with their own materials and they are by no means cheap, and these are additional costs.

A significant drawback of anti-corrosion treatment of a car in a car service center is the inability to check the quality of the work performed and all reliance is placed on the honesty of the service workers.

When choosing a car service, you should pay attention to the equipment with which the work will be carried out. Washing and equipment for blowing and drying hidden cavities are required. Since it is pointless to apply anticorrosive to dirty or wet surfaces. Before starting work, you should ask a specialist what materials will be used and how the processing will be carried out.

Tektil anticorrosive, video:

The main advantages of this method are the ability to save money on work and choose anti-corrosion compounds at your discretion. The anti-corrosion treatment process is not too labor-intensive or complex, and the materials used are not toxic and do not cause harm to health.

When doing the work yourself, the quality of the anti-corrosion treatment will depend only on your skills and abilities. Significant disadvantages when choosing this processing method include long lead times and, in most cases, the lack of necessary equipment.

What is the best anti-corrosion agent for cars?

The quality of the work performed will largely depend on the correct choice of anticorrosive agent. The offered range of products can be divided into several groups depending on the application and chemical composition.

Internal cavities with insufficient ventilation require elastic, water-repellent materials. External surfaces require durable mastic that protects the surface even when exposed to sand and stones.

Liquid anticorrosives

Non-drying compositions with an oil base allow you to efficiently fill all microcracks. The compositions are in a constant liquid phase, which allows them to cover newly formed defects. These products do not have high strength, so it makes no sense to use them on open surfaces.

Liquid products include paraffin-based formulations, and they can be applied both to painted surfaces and to metal. When drying, a film is formed on the surface that protects the surface from drying out.

The disadvantage of these drugs is the short period of surface protection. As the solvents dry out and lose elasticity, its anti-corrosion properties are lost.

The well-proven compositions Movil and Body are being replaced by newer high-quality drugs, for example, Noxudol 750 and Mercasol.

Mastics

Mastics used to protect external surfaces are divided into:

• Bitumen-rubber;
• Shale;
• Rubber-bitumen.

To protect the interior floor, the surface of the wings, and the trunk of a car from corrosion, bitumen-rubber mastics are usually used. In most cases, it is used to treat internal surfaces that are not exposed to the environment. It can also be used on open surfaces, but the service life of such protection becomes much shorter.

Slate mastics are mainly used on the external surfaces of the car, such as the underbody of the car or the outer surfaces of the wheel arches.

The applied slate anticorrosive material, after complete drying, forms a hard film that reliably protects the treated surfaces.

In addition to anti-corrosion properties, shale mastics also have noise insulation properties, reducing the noise level in the cabin.

Rubber-bitumen mastics have increased resistance to temperature changes. Both internal and external surfaces of the car can be treated with such mastics. The applied layer is elastic enough to withstand temperature changes and will not crack or peel off.

The range of mastics for car treatment is quite wide and it is quite difficult to decide which anticorrosive agent is best for a car.

Anti-corrosion primers

Anti-corrosion primer for cars is a fairly new element for protecting the body from corrosion, has a dense consistency and high water resistance. Before application to the surface, the anti-corrosion primer for metal is combined with an oxidizing agent, and after drying it forms an extremely hard coating.

The primer should be applied to bare metal, cleaned and treated with degreasers. The applied coating has excellent adhesion to the surface, so it will be an excellent basis for applying subsequent layers of anti-corrosion protection.

You can treat both the internal and external surfaces of the car being protected; depending on the type of surface being treated, anti-corrosion paint for metal can be applied either with a spray or with a brush.

DIY anticorrosive

Preparatory stage

Wash the car thoroughly with special shampoos and dry thoroughly; use compressed air or an industrial hair dryer to dry cavities and hard-to-reach places.

Before anti-corrosion treatment of a car, you should prepare the car yourself. To do this, you need to empty the trunk of everything in it, remove everything blocking access to the treated surfaces (protection of wheel arches, insulation, sound insulation), remove the door trim, seats, rear seat and floor covering in the cabin.

It is better to protect car pedals from accidental contact with mastic using newspapers or plastic bags.

If the car has already been exposed to corrosion, then such places should be thoroughly cleaned of rust. To remove it, use sandpaper or rust converters according to the attached instructions. After removing the rust, it is better to treat these areas with anti-corrosion primers.

We prepare tools and anti-corrosion agents for the car. To facilitate the work, the car should be placed on an inspection hole or a lift.

Execution of work

Work should be carried out in the warm season or in a heated, well-ventilated area. You can start treating the car from any area, the main thing is to avoid untreated areas.

From experience, you should still start with the trunk and floor surfaces in the car. The mastic is applied to these areas quite simply and you can control how the anti-corrosion agent adheres to the surface.

When processing, special attention should be paid to welds , as they have been exposed to welding and are most susceptible to corrosion.

While the treated surfaces are drying, you can work on the bottom, and then on the most labor-intensive wheel arches. To process them, you will need to remove the wheels of the car; for safety reasons, work should be carried out by removing the wheels one by one.

Anti-corrosion treatment of the bottom, video:

The vehicle must be secured using wheel chocks and placed on trestles or stands. We treat the wheel arches with mastic using a brush or spraying, if you have the appropriate equipment.

While the applied mastic dries, you can start treating the internal surfaces of the doors. It is better to treat them with liquid compounds in cans - it is much faster and more convenient.

By the time all the doors have been treated, it will be possible to begin re-treating the surfaces of the car. By this time, the mastic will have hardened; usually the drying time between layers is 2–4 hours, and the final hardening time is at least a day.

After re-processing, you can begin processing internal surfaces: thresholds, stiffeners, etc. To carry out this work yourself, you should use anti-corrosion agents in cans with special nozzles that allow you to direct the compounds to hard-to-reach places.

The final stage

We carefully inspect the car and remove all smudges and anticorrosive stains on the car’s paintwork. It is better to do this before these compounds are completely dry. To remove them, it is better to use white spirit or aviation kerosene; they do not have such an aggressive effect on the paintwork, but they remove the applied compounds from the surface well.

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We wait until the anticorrosive has completely dried and replace the elements removed from the car. When replacing the door trim, do not forget to clean out the special holes for water drainage from dried Movil.

If all circumstances are successful, it will take 3–4 days for the car to be completely anti-corrosion treated . Periodically during operation, you should monitor the condition of the treated surfaces and, if a violation is detected, repeat the entire process again.

Source: https://autoot.ru/antikorrozijnaya-obrabotka-kuzova-avto.html

Anti-corrosion car coating: body treatment products

Content:

Corrosion is the process of destruction of a metal surface as a result of interaction with the environment. To save the surface of the car from rust, there are special anti-corrosion agents that are used to coat the car.

And although they cannot completely prevent the process of corrosion, they can stop its harmful effects. Therefore, any car should definitely have a rustproof coating applied.

 You can process the metal of your car, either in a specialized salon or with your own hands.

Experts have proven that all cars, regardless of the manufacturer, are susceptible to the negative effects of corrosion. The situation is aggravated by the operating conditions of the car, minor defects or scratches on the surface, as well as deicing agents and other chemical compounds.

There are several reasons on which the speed of the corrosion reaction depends:

• improper care or operation of the vehicle;
• technological errors that were made during the design process of the car or its complex design;
• a thin layer of factory-applied coating, especially in hard-to-reach areas such as the underbody.

Many car enthusiasts are in no hurry to apply an anti-corrosion coating, explaining this as a waste of money. But even on a new car, without appropriate treatment, after 3 years of operation, problems may arise with the integrity of the paintwork. And then the paint and varnish will become unable to protect the metal layer and pockets of rust will appear on the car.

A permissive attitude towards the condition of a car body often leads to the need for welding work to restore it.

An anti-corrosion coating is a composition that is applied to the surface of a car and prevents rust from occurring. There are two main groups of means with which you can treat the surface of a metal:

• bitumen anticorrosive – metal additives can be added to it;
• wax-based products that can contain corrosion inhibitors and metal strength enhancers.

The anti-corrosion agent is selected depending on the type of rust, which can be chemical (exposure to oxygen or its compounds on the body) and electrochemical (contact with electrolytes).

Before applying an anti-corrosion coating with your own hands, you need to select the appropriate preparation.

All products available on the modern market are divided depending on the composition, location and method of application.

For the external surfaces of the body or other easily accessible parts of the car, the following means are allocated:

• liquid transparent plastic – is not mechanically resistant, so it is not recommended for use as the main means of protecting the body;
• bitumen mastic - produced on the basis of synthetic and bitumen resins with waste (from technical oils), aimed at protecting the surface and preserving the metal;
• based on rubber or PVC (the rubber component acts as an active substance) - rubber anticorrosive is considered the most durable of all the products presented, its composition is similar to rubber, and often a transparent rubber layer is applied in factories.

For internal surfaces or hidden parts use:

• non-drying products made with treatment - this colorless liquid anticorrosive agent does not dry out after its application, as well as during the operation of the car, and products with treatment fill the smallest cracks or scratches;
• paraffin-based - after drying, they form an elastic film on the surface that retains its properties even with sudden temperature changes.

Many car owners, especially those who are faced with the problem of rust for the first time, cannot decide which anticorrosive agent is best.

There are certain requirements that apply to all products aimed at protecting against corrosion. And the more the composition corresponds to them, the better its action will be.

Therefore, before purchasing an anticorrosive agent, you should familiarize yourself with the existing requirements.

Products intended for processing hidden parts of the car must:

• have a homogeneous structure;
• paint and clear varnish after such treatment should retain their original appearance;
• have high adhesive properties;
• do not have a strong odor;
• saturate all existing cracks or damage, even in places prone to corrosion;
• have the ability to displace accumulated moisture;
• form a mechanically resistant and elastic film on the metal surface.
• able to protect the surface from the action of electrolytes;
• be resistant to particles lifted from the road surface (gravel, sand or small pebbles) so that the paint and varnish are not damaged while driving on the road.

The materials used for anti-corrosion coating provide excellent protection for the body, making it less susceptible to external influences.

Paint and varnish applied to the surface after such treatment will be protected from corrosion for several years. To choose the best anticorrosive agent, it is important to consider the listed requirements.

Moreover, the products that correspond to them are not always expensive products.

To save a decent amount, you can apply an anti-corrosion coating yourself. This layer will help prevent rust, and the paint and varnish will retain their appearance for 1 to 3 years.

Before applying an anti-corrosion coating to a car with your own hands, you need to do the following preparatory work:

• cracked paint or varnish, as well as pockets of rust, are removed;
• the car must be thoroughly washed with warm water, including in hard-to-reach places;
• all remaining water must be removed;
• the thresholds are washed and thoroughly dried;
• It is better to remove the wiper blades - processing these elements from low-quality rubber will lead to their corrosion;
• The seats, pedals and steering wheel in the cabin should be covered with a cloth so that they do not get dirty during operation.

It is worth adding that paint, compared to rubber, can withstand any anti-corrosion treatment.

After completing all the preparatory operations, you can begin to perform anti-corrosion treatment with your own hands. Before processing with your own hands, you should carefully study the instructions in order to comply with temperature conditions and take into account application features.

Materials are introduced into hard-to-reach places through existing factory holes. When applying anticorrosive to the surface of the car, you should be careful not to stain the interior or damage the contacts. It is better to remove stains of such a product that appeared during the DIY process with a dry cloth.

To ensure that the paint on the surface retains its color for a long time and that corrosion does not appear on the body, anti-corrosion treatment of the body should be carried out regularly.

Source: http://AutoKuz.ru/materiali-instrument/antikorrozijnoe-pokrytie-avtomobilya.html

Protecting the car body from corrosion

Statistics say that after three years of operation of a car, more than 100 corrosion spots appear on its metal parts. Statistics do not indicate how many pockets of corrosion there are on a car stored in the open air and operated on roads treated with de-icing chemicals.

The bottom and wings, as well as the internal surfaces of the sills, side members, and door frames, are especially susceptible to corrosion. Foci of corrosion appear in places of scratches, defects and damage to the paintwork, on engine parts, chrome parts of the car body, etc.

Protective agents available on sale and in car repair shops are intended to protect the underbody, wings, engine and other painted and unpainted components and parts from corrosion, extend the service life of rubber parts, etc.

To protect the internal surfaces of the box-section of the body and removable parts of the body of new and used cars from corrosion, as well as to temporarily protect the underbody and wheel arches, threshold preservatives such as the well-known drugs “Movil” and “Resistin ML” are used. They contain anti-corrosion additives, white spirit and other components. These compounds easily penetrate into cracks and seams, displace moisture from them and form an elastic film with high protective properties.

Auto-preservatives are applied at a temperature of at least 15 °C by spraying from a spray gun, vacuum cleaner, or garden sprayer, equipping these household units with a flexible hose with a spray head for introduction into closed cavities. If necessary, car preservatives are diluted with gasoline or white spirit. It is recommended to treat them every 1–2 years; the material consumption is relatively small – 1.5–2 kg per car.

For painting fuel tanks , radiators, air and oil filter housings, as well as small metal parts, black auto enamel based on PF-223 enamel in aerosol packaging is used. First, the surface of the parts is cleaned and degreased. Shake the container before use (after the balls begin to knock, shake for at least 2 minutes).

After finishing the work, the balloon must be turned over and pressed on the head until the enamel stops coming out (3–4 s). If the head is clogged, it must be removed and the hole cleaned with a needle.

For painting engines and wheel rims, aluminum paint in aerosol packaging is used. The surface to be painted is also cleaned of dust and dirt, and areas not to be treated are isolated by smearing with Vaseline or covering with paper. The balloon is heated in a water bath to 25–35 °C and shaken for 3 minutes after the balls begin to knock.

When carrying out minor repairs to paintwork (removing individual defective areas of paintwork on metal surfaces such as scratches, cracks, gouges), primers and nitro enamels of different colors and shades are used in aerosol packaging. For details on carrying out these works, see above.

To restore anti-corrosion coatings on the underbody and to additionally apply anti-corrosion coatings to factory coatings, various auto anti-corrosion agents are used.

If the preparation has thickened, as well as when applied with a paint sprayer, it is diluted to the required viscosity with solvents such as 651, RS-2 or gasoline.

Source: http://avto-opel.com/zashhita-kuzova-avtomobilya-ot-korrozii/

Methods for protecting a car from corrosion

The phenomenon of corrosion is familiar to almost all car enthusiasts. Most often, owners of used cars that have been actively using them for decades face this problem.

The occurrence of corrosion on the body of any car does not depend on the place where the vehicle is permanently stored. The fact is that no matter where the iron horse “stands” after a hard day, be it a garage or a street, trouble of this kind will not fail to appear after some time.

In view of this, a caring car enthusiast is quite reasonably concerned about the issue of protecting his own car. Before you begin to fight any type of harmful effects, you should understand their origins and methods of formation.

Only a detailed study of the body features and options for actively combating corrosion will help every car enthusiast choose the most effective and optimal method.

Revealing areas susceptible to corrosion

Naturally, the car market currently offers a wide variety of substances that are capable of reliably protecting the car body from corrosion for some time, but it is quite difficult to choose a single method of protection among them, which is due to the various types of specific damage.

It should be noted that parts of the body can corrode at different rates, which is affected by their exposure to different conditions during vehicle operation. The “softest” favorite place for corrosion is the weld seam.

Most car enthusiasts note this particular area as the beginning of deformation; cracks develop in it under the influence of moisture.

The so-called crevice corrosion is caused by many negative factors, the most harmful of which are vibration and temperature changes, which are especially noticeable in the cold season.

The development of corrosion is promoted by moisture, which in cold weather, turning into ice, pushes the edges of the crack apart, increasing its size.

Although this circumstance may seem too simple and harmless, it can lead to huge troubles in the near future.

There is virtually no way to protect the car body from such an unpleasant factor as corrosion, especially since the interior space, hidden from the close attention of the vehicle owner, is poorly ventilated; the accumulated liquid becomes the basis for the development of corrosion, which has an irreparable effect on the car.

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We should not forget about the bottom of the car, since constant contact with water, small pebbles, salt and sand does not leave its mark on the car body. The exhaust pipe and power unit are also subject to the influence of the corrosion factor, where this kind of trouble can also settle in the shortest possible time.

Fighting corrosion in all available ways

Every car owner who cares about his car should know about the ways that help prevent the development of this unpleasant factor. It is worth noting that among modern drugs you can even find substances that allow you to avoid the manifestations of corrosion of both atmospheric and mechanical types.

One of the very first methods is passive exposure, which involves isolating metal parts and the body from the influence of atmospheric air.

Another effective method is active action aimed at creating a special film that protects the metal.

As a result of this effect, the car body gets rid of the oxidized layer, and the soil that appears on the vehicle parts repels liquid, salt and acid, thereby neutralizing all substances that can affect the further development of corrosion.

There are also mastics on sale, which are passive substances that reliably protect the underbody of the car. They are based on rubber, resin and bitumen. Oil and graphite are present as active additives; fibrous materials are no exception.

After purchasing, the mastic must be applied in a thick layer to the bottom of the vehicle.

In order for the maximum effect to be achieved, the car must be prepared by first treating the slot holes with a special anti-corrosion substance that prevents the penetration of other negatively affecting substances.

Cathodic protection

When it comes to means of protecting cars from harmful environmental influences, several useful methods should be mentioned, one of which is cathodic protection.

The fact is that such electrochemical protection is based on ensuring the integrity of the body through a cathode electrode or standard current. The anode that appears on the surface can reliably protect the cathode from corrosion.

In this situation, the anode is nothing more than the body of the car. Among the metals with high activity, not only zinc and chromium should be noted, but also the very common magnesium and aluminum.

The protector, in particular, the metal activator, should be attached to the surface of the body cleared of dirt, since subsequently the liquid entering will not be able to affect the metal and thereby have a harmful effect on it.

Effective priming method

Some car enthusiasts, especially owners of foreign cars, rely on the manufacturer, hoping that their vehicle will have enough simple factory protection.

Such improvident people include owners of cars with galvanized bodies.

It should be noted that recently the cataphoresis method has become especially relevant, through which a primer is applied and, accordingly, the car is protected.

Galvanized protection option

If you turn to foreign vehicle manufacturers for background information regarding factory methods of corrosion control, you will learn about the widespread use of body galvanization.

The standard thickness of such a coating does not exceed 6–9 microns, which is why the first signs of corrosion on the surface of the body will appear only a year after the production of the car.

Over time, the coating becomes smaller and thinner, micropores appear on its surface, facilitating the penetration of moisture and, as a result, the appearance of corrosion.

It is important to remember that once rust has appeared, it will not be possible to neutralize it for the rest of its life; at any opportunity convenient for the pest, stains may appear again. This is what makes it necessary to take care of the car immediately after purchasing it.

Electrochemical protection method

Electrochemical protection is a special protection that belongs to a variety of cathodic methods. Its composition is a pair of galvanic zinc metals maintained under voltage. This feature causes a certain effect to appear that helps reduce the occurrence of corrosion by 5 times.

Despite the seeming fabulousness of the method, its effectiveness has been proven by a number of complex tests conducted by more than one group of modern scientists. It should be noted that such protection has been used for quite a long time to maintain pipelines and metal structures in working condition.

Electrochemical protection allows the car owner to take care of his vehicle, protecting the most inaccessible places from corrosion. The reliable substance contains an electrical unit and a zinc plate.

Which necessitates mandatory grounding and connection to the car battery.

This method is especially common among residents of Europe and the USA; the product arrived in Russia relatively recently, but this did not prevent it from achieving good results.

Method for protecting inaccessible cavities

Protecting all hidden areas of the vehicle is just as important as protecting the powertrain or the body as a whole.

In order to do everything correctly, you need to follow a few simple tips.

Firstly, such areas must be subjected to especially careful treatment, and secondly, the hidden cavity needs to be treated with high-quality products that can only be applied by a service center specialist.

A substance such as mastic cannot save the base of a car from corrosion; to do this, you will need to purchase more expensive chemicals that can create a level of protection that will prevent the appearance of rust stains for a long time.

Electronic method

Electronic protection is the most popular tool that can prevent the development of rust in almost 100% of possible situations.

Such indicators were obtained as a result of numerous tests; an important advantage of this method is its ability to create such protection that can effectively resist corrosion in any area for 10 years.

Today, such devices can be purchased in specialized auto stores or via the Internet, and the seller, along with the unit, will give the buyer a guarantee. An important feature of the device is its ability not to interfere with radio listening and to meet international requirements and standards.

In addition, after purchasing the device, the car owner will not have to resort to the help of car repair shop employees; the easy-to-install device can be installed even by the vehicle owner who has never delved into the peculiarities of the electronic “stuffing” of the car body.

To give an aesthetic appearance, you can attach the wires with special plastic fasteners or insulating tape.

After installation, the unit should indicate its operability with glowing lights located on the housing. The indicators should turn on when the power unit is turned on.

If the lights do not light up, you should check the operation of the battery or contact the dealer who sold the device for help.

Advantages of the modern method

Electronic body protection is a worthy alternative to many expensive substances and products that must be applied to the body and other elements of the vehicle.

This method allows you to save as much free time and money as possible.

A car owner who has chosen a special unit will not have to additionally process the wings, bottom and inner surface of the body.

The modern method of electronic car protection is the only way to avoid corrosion, since the installed device will eliminate the possibility for moisture, ice, sand and stones to affect the metal. It is worth noting that the device can be used even in cars where various types of mastics and other anti-corrosion agents were previously used.

Conclusion

You should not neglect special means designed to protect the body from corrosion; according to the experience of car owners, all of the above methods can provide protection against rust, as well as eliminate the first signs of its manifestation.

For example, substances such as mastic, primer and anti-corrosion agents can be easily applied to the car body by its owner without the additional cost of a qualified technician.

Those who want to protect their vehicle as much as possible can take advantage of electronic and electrochemical protection, which ensures the safety of the body at a professional level.

Source: http://CarExtra.ru/sovety/zashhita-avtomobilya-ot-korrozii.html

Anti-corrosion treatment - we properly protect the body parts of your car

During the operation of a car, many of its metal parts are exposed to negative environmental influences, causing corrosive processes.

Due to moisture, technical fluids on the roads, as well as deicing agents, the appearance of the car deteriorates and the technical characteristics of its important components deteriorate.

Today we will tell you about the special treatment of machine parts to protect them from negative influences.

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Anti-corrosion treatment of a machine can be performed using various means. All of them can be conditionally divided into machines intended for processing external surfaces and internal cavities.

Wheel arches and the bottom of the car are most susceptible to corrosion processes and damage from stones and sand, so anti-corrosion compounds must be applied in a thick layer to these surfaces.

To protect them, it is customary to use special mastics made using bitumen resins, rubber compounds and polymers. Such products not only protect the vehicle, but also reduce the noise level in the cabin when driving.

Processing of wheel arches and the bottom is carried out with sprayers or brushes, or using specialized equipment.

Due to the thick consistency of mastics, before use they are usually diluted with solvents that evaporate after drying.

It is customary to treat surfaces in need of protection with prepared mastic several times, applying each subsequent layer after the previous one has completely dried.

Products for protecting internal cavities have a more liquid consistency. They have good penetrating ability, are distinguished by good moisture-repellent characteristics and can neutralize rust. Such preparations are made based on oil and wax components. To apply them, use a compressor and a special anticorrosive gun.

By doing all the work on anticorrosive treatment yourself, you can significantly save on car maintenance

• They will protect the chassis and save you money, increasing ground clearance by 3 cm.

To apply special coatings, car owners usually turn to specialists. You must understand that when you contact a specialized service station, you can be sure that the work will be performed by a professional who is able to select the best anti-corrosion agent and apply it correctly.

The specialists have expensive tools and equipment in their arsenal, with the help of which the craftsmen will be able to complete the required work on applying an anti-corrosion coating in the shortest possible time. But the cost of professional services is quite high.

It must be remembered that car services only use their own materials, which are highly expensive, which further increases the cost of processing.

If you want and have time, you can do everything yourself. Do-it-yourself anti-corrosion treatment of a car has its positive aspects.

You save significantly, since you only have to spend money on the anti-corrosion compound itself. The process of applying protective substances itself can hardly be called very labor-intensive or dangerous.

All modern materials are characterized by low toxicity, and with minimal skill they can be easily applied to the desired surfaces.

We recommend using medications in cans in which the protective agent is under pressure. The cans have special devices for processing even the most difficult to reach parts and cavities.

However, the quality of processing of the body, doors and other elements of the vehicle will entirely depend on you.

You will have to spend a lot of time working with specialized substances, and no one will guarantee that you will be able to provide adequate protection for your car on your own.

When treating your car yourself, it is very important to choose a high-quality and functional anti-gravel product. Depending on the area of ​​application and chemical composition, all specialized substances on the market can be divided into several categories.

To fill hidden cavities, it is customary to use liquid anticorrosives. These are non-drying oil compositions that allow you to effectively fill any microcracks. Such substances retain their liquid state, so they can even fill newly formed cracks and defects, but they are not used on open surfaces.

Liquid protective agents also include paraffin-based substances that can be used to treat metal and paintable surfaces. After such compositions dry, a protective film is formed that protects the processed part from external influences. The disadvantages of all liquid substances include the relatively short period of protection they provide.

The most popular brands of liquid substances for treating vehicle components from the inside include:

• Body;
• Movil;
• Mercasol;
• Noxudol 750.

After drying, slate anticorrosive forms a hard film on the surface, which effectively protects parts from external influences

To protect the external surfaces of the car, mastics are used, which according to their composition are usually divided into the following types:

• bitumen-rubber;
• rubber bitumen;
• shale.

Bitumen-rubber mastics are usually used to treat the floors in the car interior, the trunk and the surface of the wings against corrosion. Such compositions provide maximum protection for internal surfaces that are not exposed to strong negative environmental influences. They can also be used to finish the outside of the car, but the protection will not last long.

Rubber-bitumen compounds are characterized by increased resistance to temperature changes. They can be used to treat both external and internal surfaces of a vehicle. The frozen anticorrosive layer is characterized by sufficient elasticity, retains its technical characteristics for a long time, does not crack or peel off.

Slate mastics are usually used for external surfaces; they can be used to treat the underbody of a car, wheel arches or doors. After drying, slate anticorrosive forms a hard film on the surface, which effectively protects parts from external influences.

To protect the car body, you can use special anti-corrosion primers. These compositions are distinguished by their dense consistency and high water resistance. Before application, the primer is mixed with an oxidizing agent, after which the product dries to form a very hard coating.

The primer must be applied to bare metal, cleaned of dirt and paint, and also pre-treated with degreasers. Primers have excellent adhesion, so they can be an excellent basis for applying subsequent layers of anti-corrosion.

Like many other car maintenance jobs, independent anti-corrosive treatment begins with surface preparation. First, they should be washed thoroughly with special shampoos and then dried dry. To dry hard-to-reach places, it is best to use special industrial hair dryers. Car pedals must be protected from mastic with newspapers or cellophane.

If the vehicle components have already undergone corrosive processes, then the surfaces must be cleaned of rust. To eliminate it, you can use sandpaper or special rust converters. After this, all cleaned areas are coated with an anti-corrosion primer.

Self-treatment with anticorrosive agents begins with surface preparation and is carried out using personal protective equipment.

It is best to carry out processing in the warm season or in a well-heated, specially equipped room. We recommend starting work with the trunk and the floor inside the cabin.

It is easiest to apply mastic to these areas and you can immediately check the quality of fixation of the composition on the surface. When performing work, pay special attention to welded seams.

They are the most susceptible to corrosion.

While the floor and trunk are drying, you can begin processing the bottom, and it is better to deal with the wheel arches last, since this will require removing the wheels. For safety reasons, work must be performed one at a time. First, remove one wheel and apply mastic. Then put it back in place, remove the next wheel, etc.

While the mastic dries, you can start processing the doors. For these surfaces, it is better to use liquid compounds in cans; they are easy to use and dry quickly enough. At the next stage, you can begin re-processing the dried surfaces. Typically, it takes about 3 hours for one layer of mastic to harden, and complete drying occurs within 24 hours.

After applying the second layer of mastic, all remaining internal surfaces can be coated with protective compounds: stiffeners, thresholds and other parts. For these units it is also recommended to use special products in cans.

At the final stage of work, all you have to do is carefully inspect the car, find all the existing smudges and remaining anti-corrosion stains on the painted parts of the car. It is recommended to do this before the protective compounds have completely dried, so that contamination with aviation kerosene or white spirit can be removed. They effectively remove anti-corrosion agents, but do not harm the paintwork.

Removed protection, insulation and other parts can be installed only after the protective compounds have completely hardened. If done correctly, it will take you from 2 to 4 days to completely process your vehicle.

Source: http://tuningkod.ru/chistka-i-uxod-za-avto/chistka-kuzova-i-salona/antikorrozijnaya-obrabotka.html