Ablative Composites

Ablative composites materials play a critical role in protecting spacecraft during atmospheric re-entry. Carbon phenolic ablators are part of a family of composite materials specifically engineered to sustain extreme heat while insulating the spacecraft’s structure and payload. Their performance is mission-proven and backed by decades of materials research and application in flight conditions. At FMI, our ablative composites technologies are widely used in the aerospace and defense sectors, where high thermal loads and mechanical stress demand the most reliable solutions. FMI provides the highest-performance ablators available, trusted by NASA and the space industry. Our materials are well-understood, extensively simulated, and supported by a robust database of established properties, making them the go-to choice for critical space applications.
Product Details
FMI manufactures a diverse range of advanced, low thermal conductivity ablative composites materials. These products are available in various configurations and can be tailored by thickness, geometry, size, and design architecture based on customer requirements. This level of customization supports new product development and integration into diverse spacecraft systems. FMI maintains CUI/ITAR-controlled material property databases for design purposes.
- PICA (phenolic infused carbon ablator)
- C-PICA (conformal PICA)
- HEEET (heatshield for extreme environment entry technology)
- 3MDCP (3D medium-density carbon phenolic)
- Carbon Phenolic Frusta & Structures
Applications & End Use
Our ablators are engineered to withstand the harshest environmental conditions, including the intense thermal and mechanical stresses of space and re-entry flight profiles. FMI’s ablative composites materials are primarily used in heatshields for atmospheric re-entry, where they face high heat flux and extreme temperatures. These materials have been successfully used in numerous high-profile NASA missions, including:
- Stardust
- Mars Science Laboratory
- OSIRIS-REx
- Mars 2020 Perseverance Rover
- Dragonfly (July 2028 launch)
Manufacturing Capabilities
We offer prototype fabrication for all ablator products and in-house high-temperature testing capabilities up to 5,000 °F. These capabilities support custom product development programs from concept through final delivery. FMI uses a variety of advanced manufacturing techniques to produce high-performance ablative composites materials, including:
- Manufacturing of PICA billets
- Weaving of textile-based TPS
- Net-shaped processing
- CNC machining of precision parts