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Painting aircraft parts

(Aircraft Coatings) What are the colors of airplanes?

Aviation paints are a set of aircraft paints designed for use in the aviation and space industry. These colors have special characteristics that make them suitable for harsh space conditions. Among the characteristics of these colors, we can mention resistance to temperature changes, ultraviolet radiation from the sun, and harsh weather conditions. These paints are used as a protective coating on parts and structures of aircraft.

Aviation colors must strictly comply with relevant standards in order to be used by pilots in terms of safety and optimal performance.

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History of the use of aviation colors

The origin of aviation colors goes back to the era of World War II. At that time, there was a need for special colors for strategic military points. These colors were used to help identify or hide military equipment in the airspace.

Later, with the advent of jets and the increase in flight speed, the need for more resistant coatings against pressure and heat was felt.

With the passage of time, the technology of aviation paints improved and more stable and resistant colors were found against the harsh conditions of space. In addition to protecting surfaces, these paints also reduce heat absorption and resist extreme temperature changes.

Why is the body of the plane painted?

Perhaps this is the first question that arises. Why does the body of an airplane need to be painted? To answer this question, we need to know what kind of body the plane is made of. We are all familiar with the metal body of an airplane and know that metal oxidizes or rusts over time. In addition, metals are not resistant to stains that may be left on the fuselage by gasoline or other substances. Therefore, they need to be painted to be more resistant. All planes are painted with a special color at the final stage of production. But what kind of color is this special color?

What kind of paint is used for the body of the plane?

Considering that the plane is made of metals, in the first place, the selected paint should have good adhesion to the metals and protect them. According to this point, usually two types of colors are used for this work:

Epoxy and polyurethane paint that have high adhesion and stick well to the aircraft body. One of the advantages of epoxy paint is that it is not easily separated from the surface and does not become layered after a while. Also, epoxy has a high resistance to chemicals, it prevents the surface from rusting and it is not easily destroyed. In addition to these, epoxy has a good resistance to sunlight, although if the fading of the aircraft body is more important considering that it spends almost all its life in the open air and under the sun, than polyurethane, which is more resistant to radiation. U.V. is being used.

Enamel paint is one of the colors used to paint the aircraft body. Although this paint is more economical than epoxy paint, it is often not used alone for painting the fuselage because it creates a thick layer and becomes very hard after drying. Usually, enamel paint is used to paint logos and colored designs on the body, and other surfaces are painted with epoxy paint.

Why is the color of the plane body white most of the time?

White is the lightest color because it has no pigment. In general, light colors are lighter than dark colors, and lightness is a priority for the airframe. This is why airplanes are often white or generally bright colors are used to paint it. In addition, dark colors also affect the temperature. For this reason, they are not used to paint the aircraft body.

Due to the lightness of white color, this color is often used for the body of the plane.

Some interesting and interesting points to read about the painting of the aircraft body

Eight to ten people are needed to paint the plane’s body day and night.

The paint used for the aircraft body must be resistant to temperatures between -18 and 176 degrees.

It usually takes at least a week for the entire body of an airplane to be painted and the paint to dry.

It usually takes between 68 and 950 gallons of paint to paint the fuselage of an airplane.

Paint adds approximately 200 to 500 kg of weight to an aircraft. Considering that white is the lightest color, a large part of the aircraft body is always white.

Even the most resistant paints such as epoxy or polyurethane paint will need to be repaired. Most of the time, aircraft bodies are repainted every 7 to 10 years.

The best color for the fuselage

Although we often see airplanes in white, that doesn’t mean they can’t be painted. The paint used for the aircraft body must have special characteristics that do not pose any danger to the flight and have a long life in addition to safety. Epoxy paints and primers are the first choice in such cases and can protect the body for a long time without any damage.

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