A newer version of this notice has been posted. SAM.gov republished solicitation S-167610 on 13 May 2026. This page is kept because it is a real record, but the current requirement, dates and attachments are on the latest version. Read the latest version →
What happened next
This solicitation has closed — responses were due 12 March 2026.
SAM.gov re-posted this solicitation and it is open again until 01 December 2026. Read the open version →
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Description
ELF (Extremely Light Foam) is a new way to make structural foam that is both much lighter and much stronger than today’s alternatives. The process, developed by scientists at Los Alamos National Laboratory, uses common epoxy materials mixed with tiny hollow particles and a temporary liquid that later evaporates. As the material cures, this liquid naturally leaves behind a well-organized network of empty space, creating a foam that is mostly air but still highly resistant to crushing and pressure. The result is a material that can be up to twice as strong at the same weight as conventional foams, while remaining easy to pour, mold, and manufacture at scale using safe, commercially available ingredients. Because it combines low weight, high strength, simple processing, and design flexibility, ELF is well suited for commercial applications in marine systems, aerospace and transportation, lightweight structural panels, insulation, and impact-absorbing components. How it Works: The technology works by intentionally using a temporary liquid during the curing of a polymer foam to shape its internal structure. When the liquid-filled mixture hardens, the liquid naturally separates from the solid material and later evaporates, leaving behind a network of tiny, well-distributed voids between microscopic hollow particles embedded in the polymer. By carefully controlling the type of liquid used and the curing conditions, these voids form in a predictable and repeatable way rather than randomly. This controlled internal architecture is what gives the material its unusual combination of low weight and high resistance to crushing, while still allowing the material to be poured, molded, and manufactured using standard industrial processes and readily available materials Key Advantages: Exceptionally low weight while maintaining high structural integrity, achieving densities well below conventional structural foams High resistance to crushing and compression, even under extreme pressures Simple, low-cost manufacturing process using standard equipment and commercially available materials Easy to cast and mold into complex shapes and large parts without specialized tooling Safe and non-hazardous materials, supporting easier handling and regulatory acceptance Multifunctional performance, offering structural support, thermal insulation, and impact energy absorption in a single material Market Applications: Marine & Offshore (lightweight buoyancy materials, pressure-tolerant structures) Aerospace (weight-saving structural cores, multifunctional insulation materials) Defense & Security (lightweight structural components, energy-absorbing materials) Transportation & Mobility (mass reduction materials, impact and vibration mitigation) Advanced Composites & Manufacturing (core materials for sandwich structures, moldable lightweight fillers) Energy & Industrial Systems (lightweight structural insulation, protective housings) Thermal & Acoustic Solutions (lightweight insulation panels, noise-damping materials) Development Status: TRL 3 US Patent pending LA-UR-26-21224 LANL Tech Partnerships: Unlock the Innovative Potential Los Alamos National Laboratory offers a wide range of cutting-edge technologies and capabilities that may provide your company with a competitive edge in the market and unlock the innovative potential that can enhance, refine, and revolutionize your products. LANL’s licensing program focuses on moving inventions developed by our researchers to commercial innovations. Patented and patent pending inventions and copyrighted software are available to existing and start-up companies through exclusive and non-exclusive licensing agreements. For specific discussions, please contact licensing@lanl.gov. Note: This is not a call for external services for the development of this technology. https://www.lanl.gov/engage/collaboration/feynman-center/partner-with-us/licensing-technology m.lanl.gov/tech-search
Version history
SAM.gov has posted 2 notices under solicitation S-167610, oldest first.
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