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Designing and engineering in the aerospace industry is no simple task. It takes a lot of reliable materials and strong execution to keep such large objects safe in the air. Although the aerospace industry uses mostly light metals for manufacturing, some easily overlooked materials play a huge role; the silicone with many applications being one of the best examples of this. In fact, manufacturers in aerospace and aviation have used silicones since their inception. The versatility of silicone and its high-temperature resistance have made it a reliable choice for decades, and today it is still one of the most effective materials used in aerospace manufacturing.


Silicone is used in almost every aspect of the aerospace industry. Here's a closer look at the top ways silicone is used in the aerospace industry.

Maintaining pressure, forming seals: When flying at extreme altitudes, it's of tantamount importance to maintain cabin pressure and sealing at all times. This is where silicone comes in. Because of its resistance to extreme temperatures and the ease with which it can shape a very tight shape, it is used in the construction of gaskets for doors and windows, ensuring that the doors and windows remain absolutely airtight. In addition to maintaining air pressure in the cabin, the heat resistance of silicone allows it to be used in the manufacture of gaskets for aircraft engine systems to ensure that the various chemicals and liquids needed to keep the engine systems running are transported and stored at the correct pressure.

Protecting electronic components and circuits: Every component of an aircraft plays an important role in the safety of its flight and passengers and crew. Therefore, each component needs to be protected from harsh conditions such as extreme heat or cold, especially the printed circuits and electronic components. Silicone's highly sealing properties, resistant and unyielding nature make it an ideal choice for this purpose, which can act as a sheath to protect fragile circuits and electronic components from dangerous conditions. It is for these reasons that silicone is also used to make some cockpit instruments on aircraft.

Protecting electronic components and circuits

Isolation from vibration and noise: By the very nature of air travel, a lot of noise and vibration is generated; In order to ensure continuous safety performance, as well as passenger comfort, these unpleasant factors need to be eliminated as much as possible. Silicone's anti-vibration and noise reduction properties make it the perfect material to reinforce and support passengers and crew during flight. Silicone is used to make airplane interiors to form a protective layer against these annoyances. In addition, the elastomer properties of silicone allow it to be used as a vibration and noise resistant support for a wide variety of facilities and equipment within the aircraft, ensuring that all equipment is protected from excessive vibration and shaking.

Reducing ice adhesion: Ice adhesion is a major area of significance in the aircraft industry because ice buildup affects many aspects of flying. Using materials or coatings that reduce ice adhesion to surfaces is a practical and economical option. Silicone coatings have gained popularity in this fields in recent years due to their effective de-icing properties, as well as their wide operating temperature range and corrosion resistance to many different aviation fluids.

Reducing ice adhesion

What can we do?

Alfa Chemistry has many years of research strength in the field of silicone applications and is committed to promoting the further application of silicone in aerospace field. We can provide customers with a variety of silicone products and related technical support and services for aerospace field. If you require any assistance, please contact us and our team will provide you with fullest support at the most abundant experience and the most affordable price.

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