Lightweight Construction

In modern aerospace engineering, weight reduction is the key to efficiency, sustainability, and innovation. Evonik’s ROHACELL® high-performance foam cores redefine what’s possible in lightweight construction—delivering exceptional strength, thermal stability, and chemical resistance without compromise.

Why Choose Evonik for Lightweight Construction?

• Proven Performance: Evonik is a materials supplier for key OEMs and supply chain partners in the aviation and aerospace industry. Our high-performance, lightweight materials are found on nearly every takeoff and landing, inside and out.

• Evonik’s ROHACELL® foam cores offer unparalleled strength-to-weight ratio and long-term reliability. Lightweight and durable, its outstanding mechanical properties are designed for all types of aircraft applications. Lightweight and durable, ROHACELL® has many advantages when used as the inner core in sandwich composite structures with carbon fiber on the exterior for demanding structural applications.

• Sustainability at the Core: Evonik supports ongoing product development efforts focused on weight reduction, efficient material usage and lower energy and fuel consumption. All this, while lowering production costs and maintaining reliability and safety.

• Tailored Solutions: Our strong competitive position is based on close collaboration with customers, high innovative capability, and integrated technology platforms.
  
  The integral properties of ROHACELL® allow you to design and produce composite components with the greatest of ease. Whether by thermoforming or high-speed CNC machining, geometric challenges can be easily overcome, enabling more creative designs and increased mechanical effectiveness.

Solutions by Application

Advanced Structural Components

ROHACELL® is ideal for aerospace and other precision components where weight savings and durability matter most. The material is extremely effective and has many advantages when used as the inner core in sandwich composite structures with carbon fiber on the exterior. 

Typical aerospace applications include:

Helicopters and rotorcraft
Engine inlet and pylon cowling | Horizontal stabilizer | Main rotor blade | Radome/forward cowling | Skids | Tall boom and structural stiffener/stringers | Tail rotor blade | Interior panels

Airplanes
Belly fairing | Dorsal fin | Engine cowling doors | Flaps | Landing | Gear doors | Radome | Spoilers/ailerons | VTP tip and panels | Wing leading and trailing edge panels | Aft pressure bulkhead | Interior access panels

Spacecraft
Payload and payload adapter fairings | Interstages | Nose cones | Thermal protection shields

Your Evonik Advantage

• Strength Meets Efficiency: Achieve significant weight reduction without sacrificing performance.

• Global Expertise: Evonik partners with you to optimize designs and streamline production.

• Innovation for Tomorrow: Materials engineered for sustainability and compliance with industry standards.

Ready to Transform Your Lightweight Design?

Discover how Evonik’s ROHACELL® solutions can help you build lighter, stronger, and smarter. 
Contact us today or explore our solutions to start your journey toward advanced lightweight construction.