Decorative painting of metal - current methods. Paint Brass and Bronze Paint Chrome Metal to Brass Bronze

Painting metal in bronze can not only protect the material from exposure to excessive moisture, which contributes to the appearance and spread of corrosion, but also give its appearance a fair amount of wealth and solidity.

To perform such work is available to anyone who has the necessary desire and a sufficient amount of time. Subtleties this process we will look at in this article.

Choosing the right solution

Any bronze paint long time had an organic solvent in its structure. Its presence contributed to the spread of an unpleasant specific odor, which significantly limited the scope of such solutions.

In our time, thanks to technological progress, water-soluble mixtures have appeared that have natural metallic pigments in their composition. Acrylates act as binders in such solutions.

Bronze water-based paint (do not confuse - this is not Zinga electrically conductive paint)

Acrylic paint-bronze for metal has many advantages:

  • Ecological cleanliness and the absence of any unpleasant odors. During the drying process, only water vapor is released.
  • Relatively low price. The use of H 2 O as a base makes it possible to make the production much cheaper, for example, of oil analogues.
  • Stunning non-ferrous metal appearance. It is also possible to apply the “antique” method, which will create an even greater effect of naturalness.

  • Easy to operate by hand. The application technology is slightly different from the use of conventional paint and is quite feasible for an amateur.

  • Moisture isolation. Qualitatively protects metal from rust.

Tip: the pre-applied electrically conductive Zinga paint will allow you to protect iron from corrosion as much as possible, as it will create a reliable thin-film galvanizing layer.

  • High resistance to mechanical stress and ultraviolet radiation. For many years, this finish will have its original appearance.
  • Long service life. With proper operation for at least ten years.

Tip: if there are many fire hazardous objects in the room, it is recommended to additionally use fire-retardant paints for Polystil metal. They have the ability to foam when a fire occurs, preventing it from spreading further.

Paint application

First of all, careful surface preparation is required, the main stage of which is the removal of traces of rust. If you apply paints and varnishes over places damaged by corrosion, this will not protect the metal from premature destruction.

Preparatory work

The instruction is:

  1. Remove old paint and rust.

To do this, you can use one of the following methods:

  • Mechanical removal. A wire brush or abrasive discs are used. Only suitable for rough surface treatment.

Tip: Be sure to stock up personal protection before starting work. Metal dust, which will rise into the air during operation, is incredibly harmful to the respiratory system and human mucosa.

  • Sandblasting equipment. Issued under high pressure grains of sand will perfectly cope with rust, scale and old paint even in the most inaccessible places. The only negative is the relatively high cost of the device.

  • Chemical reagents. Spray the surface with a special compound that will enter into a chemical reaction with the old lining and rust. After that, the remnants of the former coating are easily removed with rags.
  1. We clean the iron from all the resulting debris, no matter what method of removal was used before
  2. We apply a couple of coats of primer. So we will increase adhesion metal surface and create an additional polymer layer of moisture protection.

After the last layer of primer has completely cured, you can proceed to the next step.

Painting

  1. In the first case, you will get a monochromatic coating.

For this:

  • We dilute the purchased mixture with water or white spirit according to the annotations attached to the jar.
  • For small, extreme and hard-to-reach details, we use brushes. Flat areas are possible.

  • If necessary, after the first layer, apply another one to create a more saturated color.
  • We bring a bright light source to the applied finish. If no spots are observed, it means that the work was done with high quality, and you can enjoy the result.
  1. If you want to create an aged, then you should paint in several layers:
  • First, we apply a solid dark layer of metal or spray gun.

Paint Acrylic Brass - protective, decorative paint with metallic effect of brass. Resistant to UV and weathering, oils and gasoline. Possesses good adhesion and the increased color stability. Withstands temperatures up to 80°C. It is used on metal, plastics, wood and glass. Ideal for decorative purposes on metal structures, for painting gates, forgings, for protection and renewal appearance steel pipes etc.

MODE OF APPLICATION. The surface to be painted must be dry and clean, free of rust and grease. For highly absorbent surfaces it is recommended to apply a sealing layer (e.g. emulsion paint). Shake thoroughly for 2 minutes. Spray from a distance of 25-30cm with side to side movements. Working temperature 18-25°C. The coating will be dry from dust in 10 minutes. Full curing after 4-6 hours. Enough to cover approximately 3 m2.

ATTENTION. Pressure bottle. Protect from sunlight and do not heat above 50°C. Empty cans and waste must be properly disposed of. Do not pierce or burn, even after use. Do not spray on hot objects or flames. Keep away from sources of ignition. Do not smoke. Work in a well ventilated area. Do not breathe vapours. In case of contact with eyes, rinse with clean water. Do not allow to enter sewers and ground water. Keep away from children.

Manufactured by Eckart GmbH, Germany. Volume 400ml

Additional option

Additional option value

FOR MOSCOW AND MO:

Pickup:

The order can be picked up at the address: Volokolamsk highway, 87, building 1 on weekdays from 10:00 to 19:00. Issuance of goods on weekends by prior agreement.

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By courier:

It is carried out in Moscow within the Moscow Ring Road from Monday to Sunday from 10:00 to 21:00.

  • Delivery time 1-2 days from the date of receipt of the order.

Delivery cost in Moscow:

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Delivery cost outside the Moscow Ring Road: 30 rubles / km + 300 rubles. (base rate).

To self-delivery points of CDEK and Boxberry

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Courier service of the company CDEK

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» Chemical staining of brass

Chemical staining of brass

Having bought, at one time, photo-etching from a Czech company Extratech for Tu-154M (on a scale of 1:144), I was amazed at the subtlety and delicacy of individual elements. Particularly pleased with the filigree imitation of riveting on the reverse buckets. The engine nozzles are of large-scale thickness. The rims on the chassis disks also look realistic.

The impression was strengthened by the new release for Il-62M , which has the same D-30KU engines.

At the same time, it became clear that now trying to prime and paint small details would ruin everything! Moreover, there are many methods of chemical processing of brass, allowing you to give it any color.

Most chemicals are always at hand - salt, soda, water. But it is still better to conduct experiments on the street or in a well-ventilated room, since toxic fumes and gases can be released. And no one canceled glasses and rubber gloves.

So, armed with long-forgotten chemistry textbooks and the Internet, let's get started!

P pre-bleached brass

Brass is an alloy of copper and zinc, sometimes with the addition of tin, nickel, lead, manganese, iron and other elements. And if copper has a pinkish tint, then brass is golden yellow.

Both brass and copper oxidize and darken in air. Therefore, before chemical treatment, it is imperative to remove oxides from the photo-etched surface.

RECIPE:

Alcohol or acetone
Citric acid (sold in grocery stores)
Salt

Into a glass hot water add a teaspoon citric acid and a teaspoon of table salt.

Photo-etching is degreased with alcohol or acetone and put into the solution for 5-10 minutes. At the end, it is washed with water and detergent.

Do not use metal utensils as a container, and remove the product with steel tweezers - a copper coating may remain.

Bleaching is accelerated by increasing the temperature of the solution or the concentration of citric acid.

Important! Do not overexpose the product in acid - the so-called "dezincification" of brass can begin - it becomes unnaturally pink-red.

The bleach solution is corrosive, so avoid getting it on your hands and clothes.

Burnishing of brass

So, let's try to simulate the color of the LPC blades of the Tu-154M engine.

For work we need:

1. 10% ammonia solution (sold in any pharmacy);

2. HOM - copper oxychloride (sold in garden stalls);

3. Glass jar.

Pour some ammonia into a jar and pour half a teaspoon of HOM. We stir. We add some water.

At first the solution is cloudy turquoise, then becomes inky blue.

Having degreased with medical alcohol, we hang the brass piece on a thread and chat it in solution for about half a minute. Then rinse with clean water and dry.

The detail takes on a beautiful olive brown color, very similar to tape. The surface is perfectly flat.

It is important not to overexpose the part in the solution. It can become brittle and crumble.

Having created a dark base, we can now apply a thin layer of liquid-diluted metallic enamel paint of any color.

The whole operation from start to finish took no more than ten minutes.

Attention! Ammonia vapors are very harsh and poisonous. The process is best carried out on the street, in a respirator.

In conclusion, I want to answer the skeptics who they will say that working with photo-etching is long and difficult:

Nothing imitates metal like... metal itself.

I express my special gratitude to my colleague Sergey Utenko from Novosibirsk for valuable advice and comments.

We offer painting with metallic paints:

  • Under brass;
  • Bronze;
  • Under copper;
  • Under gold;
  • Aged metal;

One of the services of our workshop is the painting of various products with imitation of natural metals with the effect of patina and aging. The technology allows applying metallic paint on almost all types of surfaces: metal, plastic, wood, gypsum.

brass paint samples

When choosing the required painting option, you can be guided by the samples presented at our production. It is also possible to select paint according to the customer's sample.

The quality of the finish coating is provided by varnish:

  • acrylic car varnish with a high degree of gloss;
  • high-strength polyurethane gloss varnish;
  • matt polyurethane lacquer with gloss degree from 5 to 50%

To create the effect of aging, we use a patina on solvents. The patina is applied on top of the main layer of paint and with the help of various abrasive sponges, the effect of grinding in various directions is created.

Painting of the heated towel rail "brass-like".

chrome surface painting brass effect towel warmer brass coating


Brass painted radiator.

bimetallic radiator
brass radiator paint
finishing layer- glossy varnish


Below in the photo is the painting of accessories for the bathroom “bronze-like” with a patina effect. Glossy lacquer finish.

painting in bronze color finishing layer - acrylic varnish antique bronze finish


The chrome plating is removed before painting.

refinishing chrome to bronze soil application bronze fittings


Antique bronze finish on chromed handles.

bronze door handles aged bronze handles final lacquer finish


Painting installations, drain buttons.
The photo shows samples of painting with the effect of "Antique Brass" under glossy and matt lacquer.

brass flush buttons brass buttons paint
repainting the button in brass (glossy lacquer)



Grohe button painted brass
button GEBERIT before painting
button painting in brass (matte lacquer)


Painting of a shower cabin "under antique brass".
Initially, the cabin parts were chrome-plated, anodized aluminum profiles.

painting aluminum profiles
details after painting
brass shower enclosure


Coloring commercial equipment in brass color.

painting booth work
old brass finish
commercial equipment after painting


Bronze painted sink.
A perfect example of the durability and strength of polyurethane clear varnish is the painting of such mechanically loaded products as a kitchen sink. The sink is constantly subjected to mechanical stress. The varnish applied to the surface in three layers and fully polymerized (up to 10 days after painting) perfectly withstands all loads.

washing before painting soil application bronze sink painting


Repainting of decorative caps on the lantern under aged bronze.
To protect the street lighting fixtures custom-made decorative caps were made for our customer. The products were originally white color. Futile attempts at spray painting led to damage to the product. We had to sand the product, apply an insulating primer to prevent undermining the first layers. Next, the product was painted in old bronze and covered with 2 layers of matte polyurethane varnish.

item before painting painting – antique bronze finishing layer - matte varnish


Copper-look paint
The metal cases of lamps for the restaurant were painted.

metal lamp copper paint
lamp painted in copper color


Painting of details of the rotary stand under "antique brass".
By order of the Petersburg Doors company, elements of commercial equipment were painted under antique brass. The details of the turntable were previously cleaned and primed. Painted using technology with decorative polishing. Acrylic car varnish has an excellent degree of gloss and is quite stable.

products in the spray booth brass finish painting glossy lacquer finish


To change the texture and give interior items a noble look, special paints are increasingly being used to get the effect of a “metal” surface.

Metallized paints are available in a wide range of color scheme and can imitate the shade of almost any metal. The finished surface acquires the color of brass, bronze, copper or gold, and additional processing with craquelure varnish gives household items a unique antique look.

Advantages of metallic paints:

  • Large selection of shades. You can get the effect of bronze, brass, copper or other metal.
  • Used for external and internal works, wall decoration. Does not contain harmful substances and toxins.
  • They are durable and do not fade over time.
  • Painting products in wet areas.

Such textured paints are used to decorate the interior and decorate various household items, including furniture, picture frames, candlesticks, etc. Interesting solutions can be obtained if you finish “under bronze” or “copper” plumbing, a mirror frame or other individual elements of the interior.

Metallic paint can cover a fireplace, stucco molding or part of a wall, while the painted surface will emphasize how classic style, and perfectly complement the design in retro style or cutting-edge hi-tech.

Application technology

If metallized paint is applied to interior items or furniture, then it is necessary to remove the old coating in advance. Before finishing, the surface should be cleaned of possible contaminants and a primer should be applied. The key to the durability of painted products is, first of all, the use of the right, high-quality primers for various surfaces: for Plast Prime plastic and for Acid 8 metal.

The selected composition is applied in accordance with the manufacturer's instructions, usually one layer is enough to obtain the desired effect. A metal-effect design element can be left shiny or given an antique look with craquelure. Characteristic cracks that appear during the drying of such a varnish will artificially age the treated surface.

The resulting effect can be emphasized with burnt umber, which is carefully applied to a dry cloth. The excess should be removed until the composition is completely dry, and if desired, cover the finish “under the metal” with a layer of varnish.

Usually, both pure black and gray coloration is obtained by the formation of copper oxide or copper sulfide on the surface of the thing. But both of these colorings can also be achieved by deposition of sulfur compounds of other metals - lead, bismuth, mercury, etc. on the surface of the thing. Will the coloring be completely black or light black, i.e. gray, depends both on the composition that causes the color, and on the time of action of the latter.

Parts must be prepared, the surface must be perfectly clean, free of dirt and grease.

Chemical blackening

Hold the part for five minutes in a solution in which 0.9 g of sodium hydroxide and 0.3 g of ammonium persulfate (NH 4) 2 SO 8 per 100 ml of water (it is used in photography). Solution temperature 90-100 o C.

In a solution of potassium chloride, nickel sulfate NiSO 4 and copper sulfate CuSO 4 (respectively 4.5, 2 and 10.5 g per 100 ml of water) at the same temperature, copper and brass will acquire a pleasant chocolate hue.

The formation of black oxide of copper on the surface of things.

For the formation of black oxide of copper on the surface of things, the heated thing is immersed for several seconds in a solution of copper in excess of nitric acid and then held over a charcoal fire until its surface begins to turn black. To obtain a uniform and sufficiently dense black color, the operation is repeated several times, otherwise the color will not be completely black, but grayish. At the end of the staining, the thing is wiped with a cloth soaked in oil. Optical instruments are usually blackened in this way.

Blackening of brass and bronze.

For brass and bronze, the following solution can also be used: 2 parts of arsenic (not arsenic!) acid, 4 parts of hydrochloric acid, 1 part sulfuric acid and 80 parts water. Arsenic acid can be replaced with antimony oil (antimony trichloride). The thing is immersed in a solution heated to 50 ° C, and during the immersion, it is touched with a zinc stick.

Painted in metallic grey.

Very good staining gives a solution of the double salt of sodium sulphate and lead: dissolve 45 g of lead sugar (lead acetic acid) in 3/4 liter of water, and 150 g of sodium sulphate (hyposulfite) in 1/2 liter of water. Mix both solutions and heat to 85-93°C. The surface of a thing immersed in a solution is very quickly covered with a layer of lead sulfide. The color of this layer changes as it thickens and in the end becomes very beautiful - metallic gray.

Black staining with bismuth sulfide.

In a similar way, black staining with bismuth sulfide is obtained. To do this, the thing, painted, as explained above, with a brown bismuth nitrate solution, must be immersed while still hot in a strong solution of sulfuric liver (Hepar sulfuris) - the brown color quickly turns into black.