Aerospace Interior Adhesives; Help Maintain the Internal Quality of the Aircraft

 

aerospace interior adhesives

Aerospace interior adhesives play an important role in aircraft interior manufacturing. Epoxies, structural acrylics, cyanoacrylates, anaerobics, and adhesive films/tapes are some commonly used as aerospace interior adhesives. They are strong, as well as fire and chemical resistant with superior bond performance and elasticity. Moreover, they help in maintaining the internal quality of the aircraft without any additional load. Therefore, with the increasing number of aircrafts worldwide, the demand for aerospace interior adhesives is also increasing rapidly.

Aerospace adhesives provide protection of structural fibers, decrease surface preparation time, and provide a barrier for dissimilar materials. But this is not all: laminated films composed of a surfacing film and a conductive metal foil protect the composite structure of aircraft parts from damage caused by lightning strikes. Such adhesives are designed for specific applications. They can be used for other purposes, such as to eliminate the effect of self-loosening caused by dynamic loads, waterproofing, sealing of areas to prevent corrosion and oxidation, etc.

Epoxy-based composites are widely used in load-bearing applications, such as aerospace, due to their super adhesiveness, good mechanical properties, low cost, high strength, and good heat and solvent resistance. Due to the lightweight and thermal and pressure resistant properties, epoxy resins are the most preferred type of resins. Aerospace interior adhesives are typically applied in the form of either a paste or a film. In the United States, the demand for aerospace interior adhesives has increased due to the increasing demand for wide body aircraft.

The number of aircraft in the U.S. has been steadily increasing. In 2019, there were about 7,628 aircraft in the U.S. commercial aircraft fleet. According to the CAPA Fleet Database, there are around 6,800 wide body aircraft worldwide. Furthermore, due to the presence of major aircraft manufacturers in the U.S., demand for aerospace interior adhesives is also expected to grow at a rapid pace. Adhesive is any substance that can hold materials together in a functional manner by surface attachment that resists separation.

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