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