What can be cooked from squid: quick and tasty

Present conditions the use of cars is such that the paintwork on the body can withstand only a few years. After that, the processes of corrosion and irreversible destruction begin. This is due to the difficult ecological situation and the use of aggressive, from a chemical point of view, road reagents. Therefore, a complete painting of a car 4-5 years after the purchase is quite common.

Unfortunately, prices for full body paint are so high that some car owners prefer to sell a not quite old car and buy a new one to replace it, fresh from the salon.

A compromise option does not always help out - painting individual parts of the body. Despite the abundance of proposals, it is very difficult to find a car service in which body work is performed with high quality, namely, car painting.

The real salvation in this regard is the powder coating technology, which has been gaining momentum and popularity over the past few years. Its main advantage over conventional paint application is the reduced consumption of materials by several times. At the same time, a very small percentage of the powder pigment goes to waste. With traditional technology, losses can reach more than 50% of the volume used paints and varnishes.

The essence of powder coating technology is as follows:

- the surface of the part to be painted is prepared the traditional way- it is thoroughly washed, protected, sanded and degreased;
- in a special chamber, a previously prepared powder coloring pigment is sprayed, while it has an opposite electrical potential in comparison with the part itself;
- under the influence of the forces of electrostatic attraction, the coloring powder is deposited in a uniform layer and adheres to the surface of the part;
- the part or the whole structure is sent for melting and subsequent polymerization of the powder pigment into a special oven chamber, where the temperature is maintained at 160-200 degrees Celsius;
- in the process of cooling, the paint slowly cools down and firmly "sticks" to the painted surface.

The economy of the process is achieved by the fact that the unused powder is filtered out and goes to the painting of other parts. It is also noteworthy that the pigment layer is "magnetized" onto the painted surface in an extremely even and uniform manner. In the traditional method, a lot depends on the "human factor" - the skill of a specialist. The powder method allows you to get an excellent result in almost 100% of cases.

Powder coating technology is relatively new, so it is quite difficult to find a car service that is ready to completely paint a car body in this way. Nevertheless, there are already enough proposals for painting single parts and body parts. For example, powder coating is actively used in the restoration process. wheel rims- the hubs look like new after the pigment has cooled.

Powder coating can be applied to all surfaces that heat up to a temperature of 200 degrees Celsius without negative consequences. And this can be not only body parts, but also some types of plastic, elements of a car body kit, as well as a trunk, a trailer and much more.

Moto wheel painted powder paint

Negative influence the environment and poor quality road surface adversely affects the condition of car wheel rims. To preserve and maximally extend their performance, as well as preserve the attractiveness of their appearance, it is possible to recommend the method of painting them using powder paints. It is worth noting the high popularity and demand for the technology of powder coating of discs - more than 50% of discs are painted in this way.
Powder coating of discs is the application of polymer coating, with excellent protection properties, excellent adhesion and wear resistance in the very high level... In comparison with other types of coatings, it wins in each of the main parameters. Special equipment is used for powder coating of discs. with the help of which the coating is applied to the surface of the disc in the form of a polymer powder, without the use of of various kinds hardeners and solvents.

Below, in a brief form, you can get acquainted with the procedure for painting discs with the powder method, which takes place in several stages:

1. Thorough cleaning of the surface from the remnants of old paint using sandblasting or chemical remover.
2. If necessary, etching and applying a phosphating coating to improve the adhesion of the paint to the metal.
3. Application of zinc-containing powder primer, followed by holding in a heat chamber.
4. Application of powder paint.
5. Application of powder varnish.

To obtain a high-quality and durable coating, strict adherence to technology is required at all stages of staining. The final powder coating process is of particular importance. In fact, this is the same powder paint, the task of which is to give the coating special strength and appropriate appearance. In contrast to the generally accepted concepts, powder varnishes are not only shiny, but also matte, with a "moire" texture, with "sparkles", etc.
The richness of the palette presented here allows you to choose any color for your disc.
In our company, you will be offered a full range of works on the restoration of car rims, with full compliance with each technological stage. We select only the highest quality consumables and paints from leading European manufacturers. Our qualified personnel will carry out all the work as quickly as possible and with high quality.Along with applying powder coating, we are ready to weld small defects on your discs in an argon atmosphere.
Come and your disc will look like a brand new one!

Prices for powder coating of discs and brake drums

Powder coating of cars is a new painting technology that allows you to obtain a high-quality polymer coating with a minimum amount of losses and high degree security. The indisputable advantages of this method over traditional painting lead to its increasingly frequent use not only in the automotive industry, but also in other areas of the industry.

Powder paint is based on the use of high-polymer powders consisting of polymer granules ranging in size from 10 to 100 microns.

What elements are included in powder paint?

In addition to the polymer that forms a film on the surface of the car, the following components are included in the powder paint:

• color-determining pigment;
• hardener;
• filler that strengthens the film;
• additives that regulate flow and create structure.

A prerequisite for the implementation of powder painting of cars is the availability of a car equipped with special equipment. Of the usual equipment, the chamber should have air supply and filtration systems. Specialized equipment includes spray guns, a powder recovery system, and a polymerization oven.

Powder coating technology is based on the ability of magnetized powder granules to attach to the elements of the car body. In this case, the powder is magnetized in advance and then sprayed in a thin layer onto the surface of the part. After that, the part is placed in a polymerization oven, where it is kept at a temperature of 160 - 200 degrees for 10 - 20 minutes. Under these conditions, the powder melts and forms a continuous paint layer.

Depending on the polymer used, paints are divided into thermoplastic and thermosetting. Thermoplastic paints fuse when heated without chemical transformation to form relatively fragile coatings. For powder painting of cars, thermosetting paints are mainly used, in which, when heated, not only the fusion of polymer particles occurs, but also a chemical reaction between them. The result is a strong film that is resistant to physical and chemical damage.

The most important advantage of powder painting is the ability to reuse paint particles that have been sprayed but did not get onto the car part.

Powder particles go through the stages of filtration, preparation and then again fed for application to the part. This method allows you to significantly save paint, reducing losses to 1 - 2 percent versus 50 - 60 percent when painting with liquid enamels.

Powder coating, like painting liquid paints requires careful preliminary processing of the car body. The preparation process includes the following stages:

• Removing rust and oxides from metal parts of the car.
• Degreasing of all parts and surfaces.
• Coating the degreased surface with a layer of phosphate or chromate to increase the adhesion of the powder to the surface.

Advantages and disadvantages of powder coating

In the case of well-conducted preparatory work, as well as adherence to powder coating technology, it is possible to obtain a very reliable paint coating.

• Powder coating of cars can significantly reduce painting time due to the fact that the paint is applied in just one layer. The thickness of this layer can be adjusted within wide limits from 35 to 250 microns. Due to the application of one uniform layer, the likelihood of formation is eliminated

• The painted surface is capable of withstanding impacts and temperature changes from -50 to + 130 ° C. Powder coating has a lower porosity compared to conventional paints, therefore it has greater anti-corrosion resistance;

• Powder paint manufacturers give a coating warranty for up to 20 years;

• Nowadays, powder paint is used not only for painting metal parts car, but also plastic products, glass. It is used in painting car rims, bumpers, headlight reflectors, mirrors, and plastic parts inside the car. With the help of powder paint, you can get not only a smooth color, but also a matte, semi-matte color, leather-like coating and other effects;

• Powder coating of cars eliminates the need for solvents and hardeners. The paints are marketed ready for use. This allows you to get rid of the process of selecting the degree of paint dilution. In addition, powder paint does not dry out during long-term storage;

• The absence of flammable solvents in the composition of powder paint almost completely eliminates the likelihood of a fire. The process of painting a car with powder paint is environmentally friendly.

Powder painting of cars also has disadvantages. Among them are the following:

• Powder painting can be done only in a specially equipped room using sophisticated and expensive equipment. This condition does not allow small and medium-sized companies to use the above painting method;

• Powder paint cannot be colored by yourself. Although this disadvantage compensates for the huge number of colors and shades offered by various manufacturers of car care products;

• Difficulties are possible when applying paint on non-heat-resistant surfaces;

• The minimum paint layer thickness is limited to 35 µm.

The significant prevalence of the advantages of powder painting of cars over the disadvantages contributes to the rapid growth of the popularity of this technology. The number of powder paint manufacturers, as well as companies offering powder coating methods, is constantly increasing. Production technologies are constantly being improved, which makes it possible to achieve the highest quality of car painting.

Powder coating of cars

Powder painting of cars is a new painting technology, which allows to obtain high-quality polymer coating with minimal losses and a high degree of safety.The undeniable advantages of this method over traditional painting lead to an increasingly frequent use of it not only in the automotive industry, but also in other areas of industry.

The basis of powder paint is the use of high polymer powders consisting of polymer beads with a size of 10 to 100 microns.
What elements are included in the powder paint?

In addition to the polymer forming the film on the car's surface, the following components are included in the powder paint:

Color-determining pigment;
hardener;
Filler, reinforcing film;
Additives that control spreading and create a structure.

Powder coating of cars

Powder coating of cars

A prerequisite for the implementation of powder painting of cars is the presence of a paint chamber equipped with special equipment.From the usual equipment in the chamber there must be a system of supply and filtration of air.Specialized equipment includes paint sprayers, powder recuperation system, as well as a polymerization furnace.

The technology of powder painting is based on the ability of magnetized powder granules to attach to the elements of the car's body.In this case, the powder is pre-magnetized and then sprayed with a thin layer on the surface of the part.After that, the part is placed in a polymerization furnace, where it is kept at a temperature of 160-200 degrees for 10-20 minutes.In such conditions, the powder melts and forms a continuous layer of paint.

Depending on the polymer used, the paints are divided into thermoplastic and thermoset.Thermoplastic paints are fused when heated without chemical transformation and form relatively unstable coatings.For powder coating of cars, thermoset paints are used, in which, when heated, not only the fusion of polymer particles occurs, but also the chemical reaction between them.As a result, a strong, resistant to physical and chemical damage film is formed.

The most important advantage of powder painting is the possibility of re-using paint particles that have been sprayed, but do not hit the car part.

Particles of the powder pass through the stages of filtration, preparation, and then again fed for application to the part.Such a method allows to significantly save the paint, reducing losses to 1 - 2 percent against 50 - 60 percent when painting with liquid enamels.

Powder painting, as well as painting with liquid paints requires preliminary careful processing of the car body.The preparation process includes the following stages:

Stripping of rust and oxides on the metal parts of the car.
Degreasing all parts and surfaces.
Cover the defatted surface with a layer of phosphate or chromate to increase the adhesion of the powder to the surface.

Advantages and

In the case of qualitatively carried out preparatory work, as well as compliance with powder painting technology, it is possible to obtain a very reliable colorful coating.

Powder painting of cars can significantly reduce the time of painting due to the fact that the paint is applied in only one layer.The thickness of this layer can be adjusted within wide limits from 35 to 250 μm.Thanks to the application of a uniform layer, the possibility of streaks and stains is eliminated;

The painted surface is able to withstand impacts and temperature changes from -50 to + 130 ° C.Powder coating has a lower porosity compared to conventional paints, therefore it has a greater anti-corrosion resistance;

Manufacturers of powder paints guarantee a coating of up to 20 years;

At present, powder paint is used not only for painting metal parts of cars, but also for plastic and glass products.It is used in the painting of car disks, bumpers, reflectors of headlights, mirrors, as well as plastic parts inside the car.With the help of powder paint, you can get not only a smooth color, but also a matte, semi-matte color, a coating under the skin and other effects;

When using powder coating of cars, the need to use solvents and hardeners disappears.Paints go on sale in a ready-to-use form.This allows you to get rid of the process of selecting the degree of dilution of paint.In addition, the powder paint does not dry out during long-term storage;

The absence of light-weight solvents in the powder paint virtually eliminates the likelihood of a fire.The process of painting the car with powder paint is environmentally friendly.

Disadvantages of powder painting

Disadvantages of powder painting

Disadvantages of powder painting

Powder painting of cars also has disadvantages. Among them are the following:

Powder coating can be about To exhaust only in a specially equipped room with the use of complex and expensive equipment.This condition does not allow the use of the above-described method of painting for small and medium-sized companies;Powder paint is impossible to call yourself.Although this drawback compensates for the huge number of colors and shades offered by various manufacturers of auto cosmetics;Possible difficulties in applying paint to non-heat resistant surfaces;The minimum thickness of the paint layer is limited to 35 microns. A significant predominance of the advantages of powder painting of cars over shortcomings contributes to the rapid growth of the popularity of this technology.The number of manufacturers of powder paint, as well as companies offering powder painting method is constantly increasing.Continuously improving the technology of production, which allows you to achieve the highest quality of painting cars.

What is powder or powder painting? What is the essence of this method? What advantages and disadvantages characterize it?

The essence of the powder coating method

Powder coating. Click on the photo to enlarge.

Powder painting of a car is modern technology, providing for the application of paint and varnish and polymer coatings on various elements of the car (body, fenders, wheels, bumpers).

The use of powder paint can increase protective properties and is distinguished by safety, wastelessness and high quality... For painting, high-polymer powders are used, applied to the surface in powder spraying chambers under the action of an electrostatic field.

After the paint settles on the surface of the painted parts, they must be heated in special ovens.

Polymerization is carried out at a temperature of 160 ° C to 200 ° C, sufficient to form a strong and thin polymer layer.

Powder coating is successfully used to paint garden and office furniture, metal tiles and others. roofing materials, furniture fittings, instrument brushes, refrigeration equipment, shelving, sports equipment, etc.

Features of powder coating

Economic losses at different types painting. Comparison table. Click on the photo to enlarge.

Powder coating of surfaces is characterized by the following features:

• No need to carry out additional operations (applying an additional layer, adjusting the viscosity, tinting, dissolving, diluting);
• Application of one layer;
• Economic benefit.

The economic benefit from using powder paint consists of several components: savings on materials (by reducing paint losses and using a recovery system), human and time resources. By the way, losses with the traditional method of painting reach 50% -60%, and when using powder paint - only 1-2%.

Powder paint composition

The powder paint contains the following components:

• Polymer;
• Color pigment;
• Filler;
• Special additives that create structure and regulate flow.

  

  

  

  The composition of the equipment and the type of paint used

  

  Thermosetting powder paints. Click on the photo to enlarge.

  Powder paint should be applied in a spray booth equipped with special equipment (polymerization oven, recuperation system, paint sprayers). Of conventional equipment, the spray booth should be equipped with a system that supplies and filters air. The different polymer used forms the basis for dividing paint into two categories:

  • Thermoplastic;
  • Thermosetting.

  Thermoplastic paints, fusion-free when heated, create rather fragile coatings. Therefore, their thermoset analogs, characterized not only by the fusion of particles, but also by the chemical reaction between them, have found wider application. The result of using thermosetting paint is a durable and resistant to various influences (physical or chemical) coating.

  The main stages of preliminary preparation of the coating

  High-quality painting of a car with powder requires preparatory operations, which includes the following works:

  • Mechanical treatment (cleaning) of oxides and rust on metal elements;
  • Dust removal and degreasing of painted surfaces;
  • Application of a layer of chromate or phosphate to the degreased surface, which increases the adhesion force between the surface and the powder.

  Advantages of powder paint

  Powder coating is characterized by a reliable, durable coating, which can be obtained due to the numerous advantages of the paint used in this method:

  
  

  Disadvantages of powder paint

  Among the disadvantages of powder paint are the following:

  Powder coating of car parts. Click on the photo to enlarge.

  • The possibility of using this method only on complex expensive equipment that requires special training of maintenance personnel;
  • Lack of opportunity for self-coloring paint, compensated by a huge number of colors and shades directly from manufacturers;
  • Difficulties in coating surfaces with low thermal resistance;
  • Limiting the minimum thickness of the applied layer (35 microns).

  Technological sequence of operations

  Let's consider the main stages of powder coating on various elements of the car.

  Surface preparation

  Powder painting should be done on a carefully prepared surface, free of oxides and chips. For these purposes, you can use the method of sandblasting or shot blasting, which allows you to completely remove the old coating. Next, the surface is degreased with alcohol-containing liquids, or detergents... Degreasing ensures high adhesion of the powder coating, and sandblasting allows you to remove not only the layer of the old coating, but also to harden the upper layer of the treated surface.

  

Polymer painting of a car. Types of polymer powder paints used for painting cars. Features of the technology and the algorithm for applying a polymer coating. Advantages and disadvantages of polymer painting machines.

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When buying a car, we want to keep it pristine as long as possible. appearance... After all, the body paintwork is constantly exposed to sand, crushed stone and gravel flying out from under the wheels, passing vehicles, falling or low-growing branches, adverse environmental factors. All this leads to the formation of minor damage - chips, scratches and dents. That is why anti-gravel films that protect the surface of the body are so popular today. The new technology of protecting the body with the help of polymer-powder painting will keep it in perfect condition for decades.

Polymer powder coating

Varieties of polymer paints for cars

The use of polymer powder coatings is the most modern and effective method protection of the car body. Polymer painting makes it invulnerable to external mechanical impact, the influence of aggressive environments, and for a long time maintains the ideal appearance of the machine, giving the surface a reference quality and high aesthetics.

Today there is a wide variety of polymer paints, which can be classified into types according to a variety of characteristics. All of them are divided into two large groups according to the principle of the formation of a polymer layer:

• thermosetting, which form a film on the metal surface as a result chemical reaction molten powder particles;
• thermoplastic paints, when applied, the diaper is formed without a chemical reaction, by fusing particles.

Thermoplastic paint

By the type of substance that forms a film, polymer paint for a car is:

• polyamide;
• polyester;
• based on epoxy resins;
• polyester-epoxy.

There are polymer-powder paints that can be used to give the surface of the car body a different texture:

• glossy paints, ideal for even and smooth surfaces without the slightest flaw;
• matte;
• textured paints that mask well various defects on the metal of the body;
• metallic effect paints;
• polymer-powder coatings for moire.

Matt paint

According to the purpose, there are polymer paints of the following types:

• For interior and exterior use;
• for corrosion protection;
• paints that create a chemically resistant surface;
• electrical insulating paints;
• antifriction polymer coatings;
• decorative paints.

Polymer painting

The modern market can offer the most wide choose colors of polymer auto paint of any shade from the RAL palette, which expands the possibilities of creating a different exterior.

How is polymer powder painting of a car done?

The technology of polymer powder painting includes several, sequentially performed stages:

1. Surface preparation, which must be thoroughly cleaned from paint and varnish, and then degreased alcohol solutions. In the best way cleaning is sandblasting, which will not only remove all old paint but will also strengthen the top layer of metal. There must be no oxide or rust on the surface.
2. Application of polymer powder paint by electrostatic method, using a spray gun in the form of a special device, pistol type. Negatively charged powder, falling on the grounded surface of the car body, is retained on it due to the potential difference. Devices for applying powder paint are equipped with a recovery system that captures powder that has not reached the painted part and feeds it back into the receiving hopper. Therefore, paint consumption is very economical, and its loss is practically excluded.
3. Heat treatment, for which the painted product is placed in a special oven called a polymerization chamber. Within 15-20 minutes at a temperature of 200 ° C, the granules of the polymer composition applied to the surface of the body melt and turn into a viscous fluid mixture, forming a homogeneous layer, which, polymerizing, turns into a high-strength film.
4. The cooling process occurs naturally when the dyed product is taken out of the oven. At this stage, you can already carry out any mechanical processing painted surfaces, such as sanding or edge finishing.

Application of polymer powder paint

Before painting, all parts covering the body, as well as those elements that can deform under the influence of the operating temperature of the chamber, must be removed from the car.

Advantages and disadvantages of polymer car painting

Of the advantages of applying polymer-powder paint to a car body over other methods of painting it, it should be noted:

• high strength of the coating, characterized by wear resistance, resistance to mechanical stress and the influence of adverse external factors, including the chemical action of aggressive media, such a coating does not scratch, does not peel off, and retains its aesthetic appearance for a long time;
• economical use of paint, because the thickness of the coating is only 60-80 microns;
• the safety of the painting process, since the powder does not contain any solvents or toxic substances;
• significantly less time spent on painting and cooling the painted surface than when using paints and varnishes, immediately after cooling, which occurs quickly enough, you can start using the car;
• a wide selection of paint by color, and the ability to obtain a structured surface that well hides existing defects on the body;
• high durability, the service life of the polymer-powder coating is at least 20 years.

The disadvantages of the polymer painting of the metal are much less than the advantages, and the main ones are:

• the ability to carry out work only in the workshop, using special equipment;
• the impossibility of tinting, that is, obtaining different shades by mixing different colors; ready-made powder paints from the manufacturer are used for painting;
• limiting the dimensions of the painted parts, depending on the size of the polarizing chamber;
• applicability for painting only heat-resistant materials;
• difficulty in eliminating paint defects, they cannot be eliminated locally, but the entire product must be repainted.

Polymer painting is used not only for the car body, but also for its other parts, for example, wheel disks. This is the most reliable way to protect your car from damage today, give it a perfect appearance and extend the life of the metal elements of the car.