Summary: The U.S. defense sector is facing a severe supply crunch for ablative rocket motor materials amid skyrocketing demand for missiles and hypersonics. This post examines how transitioning to secure, domestically sourced thermal protection solutions—such as Makobond’s Aerofin prepregs and molding compounds—helps manufacturers eliminate single-source bottlenecks, shorten lead times, and maintain structural integrity under extreme thermal loads.
Fueling the Surge: DPA Investments and the Demand for Advanced Ablatives
U.S. defense spending and industrial base expansion are driving a significant increase in demand for silica phenolic and carbon phenolic prepreg and other rocket motor materials.
As part of the Defense Production Act Investments, material suppliers like MAKO Advanced Materials and PTM&W Industries – as well as their customers in composite part fabrication – have seen both a significant increase in orders for high temp materials and parts, and investment by way of Title III funds.
Since December 2024, the Department of War (DoW) has allocated $191 million in Defense Production Act (DPA) Title III funds to expand the solid rocket motor (SRM) industrial base. The U.S. DoW has invested in facilities to convert woven rayon fabric into carbonized rayon, a key reinforcement to ablative prepregs used to insulate rocket nozzles in SRMs. Prime military subcontractors also received Title III funds to increase SRM nozzle production capacity as well as insulators and other high temp parts.
Other investments target SRM case insulation, safety components, and high-performance propulsion systems, all of which rely on advanced composites like silica and carbon phenolic prepreg and molding compounds.
The global carbon and silica phenolic ablators market is forecast to grow at 6–9% CAGR through 2035. U.S. demand is driven by current platforms already using ablatives, but now seeing increased demand during conflict – as well as new platforms that diversify military response options. Hypersonic weapons programs and reusable launch vehicles also require high-temperature, lightweight ablative materials. Satellite launch vehicles with reentry technology often utilize ablative materials to withstand extreme heat flux.
MAKO Advanced Materials and the U.S. Defense Production Act investments aim to:
- Shorten lead times for critical components
- Reduce manufacturing bottlenecks in high-performance composites
- Support multi-year defense procurement cycles with reliable domestic supply
- Enhance supply chain resilience amid geopolitical and trade restrictions
Partner with MAKO for Aerofin Ablative Prepreg & Molding Compounds
At MAKO Advanced Materials, Aerofin ablative prepreg broadgoods and molding compounds are engineered with a high char rate to solve extreme thermal challenges while offering a more robust supply chain and mission readiness.
Aerofin P-3300S combines a silica-modified phenolic resin with newly sourced silica fabrics. Aerofin P-3300C combines carbon-modified phenolic resin with new and legacy alternates to PAN-carbon for the highest thermal performance.
Contact MAKO Advanced Materials to learn more about Makobond® Aerofin Prepregs and Molding Compounds, and the company’s complete portfolio of advanced prepregs, adhesive films, specialty compounds, and custom composite material solutions.
