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Aircraft paint is a specialised coating system designed to protect an aircraft's surface from the harsh conditions they encounter during flight. Protective properties can include anti corrosion, uv protection and impact resistance. This specialised paint also improves aerodynamics and creates the appearance that aligns with branding or aesthetic requirements.
The painting process, materials used, and application methods are critical, as aircraft operate in harsh conditions and require coatings that can endure extreme temperatures, pressure changes, UV exposure, and potential corrosion from exposure to water, salt, and chemicals.
Aircraft paint systems are always multi-component, comprising one or more of the following: activators, thinners, and curing solutions, along with the additional components listed below.The first coat applied to the aircraft surface. Primers are typically anti-corrosive and help the topcoat adhere better to the metal or composite materials.
Topcoat or clearcoat is the final layer that seals and protects the paint job.It is the outermost protective layer, often clear, that enhances durability, provides UV resistance, and adds a glossy or matt finish. This layer is key for aesthetics and protection against environmental damage. Using a topcoat is the traditional method of painting an aircraft. A topcoat can consist of several finishes including matt, gloss, semi gloss. A topcoat can apply to interiors or exteriors.
This layer provides the primary colour of the aircraft. It can be a solid colour or a metallic finish, depending on the desired look. Multiple colour coats may be applied to create complex paint schemes with intricate designs. Without a clear coat, traditional topcoats take 35 hours to dry in comparison to 20 hours using this newer technology. Other benefits include it being lighter, faster drying, faster to apply due to fewer layers. Lower VOC emissions & retaining a "factory" new look for longer.
