Air - Aerospace Applications | Silicone Engineering

Accreditations

Silicone Rubber for Aerospace & Defence Applications

In aerospace, performance and reliability are non-negotiable. Silicone Engineering manufactures high-performance solid and sponge silicone materials designed for mission-critical applications in UAVs, drones, helicopters, and aircraft systems.

From cockpit and avionics seals to lightweight UAV enclosure gaskets, our kSil™, expanSil™, and suraSil™ ranges deliver exceptional thermal stability, vibration control, and flame resistance, ensuring protection at altitude and under extreme operating conditions.

Tested to globally recognised aerospace and defence specifications, including AA-59588, ASTM D1056, UL94 V-0, and FAR25, our materials support compliance and long-term performance. Trusted by OEMs, Tier 1 suppliers, and defence engineers, we provide silicone solutions that keep aircraft systems safe, efficient, and mission-ready.

How can silicone be used?

Silicone sponge is used in a variety of applications but generally its purpose is to seal, insulate or protect an application from flame, heat, water, dust or general weathering.

Seals & gaskets

Silicone sponge & solids provides reliable sealing for aircraft interiors, avionics housings, and access panels, helping protect systems from heat, moisture, pressure changes, and environmental exposure.

Acoustic & vibration insulation

Silicone materials help reduce vibration and cabin noise, protecting sensitive aerospace electronics and improving long-term system performance in demanding flight environments.

Thermal insulation

Closed-cell sponge and solid silicone grades provide excellent thermal insulation across extreme temperatures, ideal for engine compartments, battery systems, and high-heat aerospace applications.

Sealing profiles

Custom sponge and solid silicone extrusions, including tubing, cords, and profiles, are used to seal lighting units, sensor housings, and electronic enclosures in aerospace and UAV systems.

Extreme Environments, Trusted Performance

From high-altitude UAV flights to helicopter missions in desert or arctic conditions, aerospace equipment must perform in environments that push materials to the limit. With roots in the aerospace sector through our Meggitt heritage, Silicone Engineering has decades of experience in delivering materials trusted for flight-critical applications.

Our solid and sponge silicone grades are engineered to perform in both static and dynamic aerospace environments, maintaining flexibility, compression recovery, and sealing integrity across a wide temperature range of -60°C to +230°C. With UL94 V-0 flame-retardant options available in our V-0 and 2D series, we also support fire-safe cabin interiors, avionics, and enclosures, helping to ensure safety and compliance in demanding aerospace systems.

PRODUCT FEATURES

Why choose silicone rubber for the Military and Defence industry?

Our silicone materials are engineered for high performance across demanding industries and are well-suited for use in defence applications. Available in a wide range of specifications, including custom formats, they offer durability, protection, and environmental resistance where it matters most.

Temperature range

With an impressive temperature range of 230°C to -60°C, silicone can meet the demands of varying environmental conditions and temperatures.

Environmental protection

Silicone rubber protects joints and materials from extreme weather conditions, UV, Ozone, moisture, heat, corrosion, , pollution and chemicals.

Lifespan

Silicone has a longer lifespan than other rubbers when used in an outdoor environment thanks to its excellent UV and ozone resistance.

DEFENCE AIR APPLICATIONS

Defence Applications for Silicone Products

Silicone rubber is a lightweight, durable material widely used in aerospace applications. In helicopters, it provides gap-filling seals, HVAC gaskets, and thermal insulation that safeguard sensitive systems from vibration, temperature extremes, and environmental exposure. Its reliability in demanding conditions makes silicone a trusted choice for protecting both crew and equipment.

Gap Filling
HVAC Seals & Gaskets
Thermal Insulation

Military Grades

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Technical data is available on all Silicone Engineering products. For more details, download the product information or speak to one of Silicone Engineering’s dedicated specialists.

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Air – Aerospace Applications

Accreditations

Silicone Rubber for Aerospace & Defence Applications

How can silicone be used?

Seals & gaskets

Acoustic & vibration insulation

Thermal insulation

Sealing profiles

Extreme Environments, Trusted Performance

PRODUCT FEATURES

Why choose silicone rubber for the Military and Defence industry?

Temperature range

Environmental protection

Lifespan

DEFENCE AIR APPLICATIONS

Defence Applications for Silicone Products

Military Grades

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