Aerospace, Aviation & Defense

When it comes to defending what matters the most, only the top performance and reliability can be trusted to get the mission completed. Evonik’s solutions for the aerospace, aviation and defense industry helps you design, certify, and scale with confidence—across aircraft, space systems, and other mission‑critical defense platforms. Our high‑performance foams, polymers, resin systems, and propulsion oxidizers offer solutions to ensure operational readiness and dependability in even the most demanding situations.

• Performance where and when it counts – Evonik’s portfolio of composites, such as ROHACELL® structural cores, supports demanding aerospace load, heat, and fatigue requirements.
• Resource efficiency built‑in – Lightweight materials that reduce fuel burn and emissions.
• Defense grade resilience – Materials engineered for extreme thermal, chemical, and environmental exposure across air, land, sea, and space.

Defense aircraft and rotorcraft structures

ROHACELL® HERO — Polymethacrylimide (PMI)-based, heat-treated structural foam core material that offers excellent elongation at break properties and remains robust and durable for the lifetime of the aircraft. Surface impact is easily visible during inspections and rework/repairs are simple, as core damage does not extend beyond the initial impact locations, and there is no water ingress, as can occur with honeycomb core structures. The also material exhibits superior thermal insulating properties.

ROHACELL® HERO is recommended for ultra‑light sandwich composites in wings, landing gear doors, radomes, vertical and horizontal stabilizers, ailerons and other aircraft areas subject to surface impact damage.

Stealth aircraft and other applications requiring electromagnetic shielding

• ROHACELL® EC—Conductive, radar absorbing foam core, especially designed for stealth and electromagnetic shielding, while retaining the mechanical advantages of ROHACELL®.

Applications exposed to extreme conditions

• ROHACELL® XT—Most resistant ROHACELL® grade, engineered for the most demanding aerospace environments. The heat-treated HT grades can be used with BMI resins, and can be used at temperatures of 190C. ROHACELL® XT is also compatible with autoclave technologies, vacuum infusion processes, and RTM and VARTM processes. 

Discover how Evonik’s Aerospace, Aviation & Defense solutions can help you achieve your performance, compliance, and dependability requirements.
Contact us today or explore our solutions to start your journey toward better mission-reliable materials.