Metal foam is a lightweight, porous metallic material — most commonly aluminum foam, nickel foam, and copper foam — that combines the strength, conductivity, and heat resistance of metal with the low density and high porosity of foam. In 2026, metal foams have become essential engineering materials for battery electrode substrates, fuel cells, heat exchangers, electromagnetic shielding, sound absorption panels, crash and blast energy absorption, filtration, and lightweight architectural design. As demand accelerates across EV batteries, hydrogen technologies, power electronics, and sustainable construction, sourcing teams worldwide are actively searching for reliable metal foam manufacturers and metal foam suppliers who can deliver consistent quality, verified technical datasheets, and stable production capacity.
This guide profiles the top 10 metal foam manufacturers and suppliers in the world in 2026 — ERG Aerospace, Cymat Technologies, Alantum, Havel metal foam, Pohltec Metalfoam, Aluinvent, Changde Lyrun Material, BEIHAI Composite Materials Group, Exxentis, and FOAMTECH. It is written for procurement managers, materials and design engineers, battery developers, and R&D specialists who need to compare aluminum foam, nickel foam, copper foam, and porous metal suppliers on product portfolios, manufacturing capabilities, main markets, and customization options. Use this article to quickly shortlist qualified suppliers, ask the right technical questions, and request quotes and samples with confidence.
| Rank | Company | Country | Main Metal Foam Products | Type |
|---|---|---|---|---|
| 1 | ERG Aerospace Corporation | USA | Aluminum Foam, Copper Foam, Metal Foam | Manufacturer |
| 2 | Cymat Technologies Ltd. | Canada | Stabilized Aluminum Foam (SAF), Alusion™, SmartMetal™ | Manufacturer |
| 3 | Alantum Corporation | South Korea | Nickel Foam, NiMo Foam, Silver Foam, Copper Foam | Manufacturer / Technology |
| 4 | Havel metal foam GmbH | Germany | Aluminum Foam, Aluminum Foam Sandwich | Manufacturer |
| 5 | Pohltec Metalfoam GmbH | Germany | Aluminum Foam, Aluminum Foam Sandwich (AFS) | Manufacturer |
| 6 | Aluinvent Zrt. | Hungary | Aluminum Foam, High-strength Aluminum Foam | Manufacturer / Developer |
| 7 | Changde Lyrun Material Co., Ltd. | China | Nickel Foam, Copper Foam, Ni-Fe Foam, Metal Foam | Manufacturer |
| 8 | BEIHAI Composite Materials Group | China | Aluminum Foam, Copper Foam, Nickel Foam, Porous Metal Foam | Manufacturer |
| 9 | Exxentis Ltd. | Switzerland | Porous Aluminum Foam, Open-cell Metal Foam | Manufacturer |
| 10 | FOAMTECH | South Korea | Aluminum Foam, Aluminum Foam Sandwich | Manufacturer |
Top 10 Metal Foam Manufacturers and Suppliers: Company Profiles
1. ERG Aerospace Corporation — USA
Company Overview: ERG Aerospace Corporation, headquartered in Oakland, California, USA, is one of the world's most experienced open-cell metal foam manufacturers. The company is the original developer and sole producer of Duocel® metal foam, a reticulated porous metal technology with a heritage spanning more than half a century. ERG's metal foams have a long flight history on aerospace and defense programs, making the company the quality benchmark in the porous metals industry.
Metal Foam Products: ERG manufactures open-cell metal foams in aluminum (6101 alloy), copper, nickel, and other specialty metals, available in a wide range of pore sizes and relative densities. The company also engineers finished foam components such as compact heat exchangers, flow straighteners, catalyst supports, and energy absorption modules.
Key Products: Duocel® Aluminum Foam, Duocel® Copper Foam, Duocel® Nickel Foam, Duocel® foam heat exchangers, crash and energy absorption modules.
Main Markets: Aerospace and defense, power electronics and IGBT cooling, energy, medical and scientific instruments, filtration — serving customers across North America, Europe, and Asia.
Why Consider ERG Aerospace: Flight-proven heritage, aerospace-grade quality control, deep engineering support for custom foam components, and one of the broadest material and pore-size ranges in the industry make ERG the reference supplier for high-reliability open-cell metal foam applications.
2. Cymat Technologies Ltd. — Canada
Company Overview: Cymat Technologies Ltd. is a Canadian materials technology company headquartered in Toronto, Ontario. Cymat is a global leader in Stabilized Aluminum Foam (SAF), a closed-cell aluminum foam produced through a proprietary continuous manufacturing process that enables large-format panels at commercially attractive cost. The company has commercialized its technology through two flagship platforms: Alusion™ and SmartMetal™.
Metal Foam Products: Cymat produces Stabilized Aluminum Foam (SAF) in flat, 3D-formed, and rolled panels; Alusion™ architectural panels in brushed and industrial finishes for architecture and interior design; and SmartMetal™ foam engineered for energy absorption, blast mitigation, and lightweight structural applications.
Key Products: Alusion™ architectural aluminum foam panels, SmartMetal™ stabilized aluminum foam, SAF 3D-shaped foam components.
Main Markets: Architecture, construction, interior design, transportation, industrial design, and exhibition and display markets worldwide.
Why Consider Cymat: Cymat's continuous SAF process delivers large, consistent closed-cell aluminum foam panels that few competitors can match, with strong design flexibility in textures, colors, and custom forms — ideal for buyers who need both aesthetic and functional performance.
3. Alantum Corporation — South Korea
Company Overview: Alantum Corporation, headquartered in Seoul, South Korea, is a global specialist in high-purity metallic foams for energy and electrochemical applications. Built on one of the world's most advanced nickel foam technology platforms, Alantum supplies global battery manufacturers and fuel cell developers with electrode-grade porous metals.
Metal Foam Products: Alantum manufactures nickel foam, NiMo foam, silver foam, and copper foam with fine, uniform pore structures engineered for electrode substrates. Products are optimized for NiMH and alkaline batteries, advanced lithium battery systems, fuel cells, water electrolysis, and catalysis.
Key Products: Nickel foam (electrode substrate), NiMo foam, silver foam, copper foam.
Main Markets: Battery and energy storage manufacturers, fuel cell developers, hydrogen and electrolysis companies, and electrochemical industries across Asia, North America, and Europe.
Why Consider Alantum: High material purity, tightly controlled porosity and pore-size uniformity at production scale, and a strong technology pipeline in alloy foams make Alantum a preferred nickel foam supplier for performance-critical electrode applications.
4. Havel metal foam GmbH — Germany
Company Overview: Havel metal foam GmbH is a German advanced materials manufacturer based in Wesel, North Rhine-Westphalia. The company specializes in aluminum foam and aluminum foam sandwich (AFS) panels, applying precision German engineering to lightweight construction and functional integration applications.
Metal Foam Products: Havel produces aluminum foam parts, aluminum foam sandwich panels (aluminum face sheets bonded to foam cores), and customized foam components. Its materials serve lightweight structural, vibration damping, and thermal management requirements in automotive, rail, machinery, and construction.
Key Products: Aluminum foam panels, aluminum foam sandwich (AFS), custom-shaped aluminum foam components.
Main Markets: Automotive and commercial vehicles, rail and transport, mechanical engineering, construction, and industrial design — primarily in Europe with international reach.
Why Consider Havel metal foam: German manufacturing discipline, rigorous quality standards, and engineering-driven customization make Havel a dependable partner when buyers need reproducible AFS panels or application-specific aluminum foam solutions.
5. Pohltec Metalfoam GmbH — Germany
Company Overview: Pohltec Metalfoam GmbH is a German specialist in aluminum foam and aluminum foam sandwich technology. The company develops and manufactures lightweight metal foam products for industrial, transport, and design applications, with particular expertise in AFS — a composite that combines stiff aluminum cover sheets with a low-density foam core for outstanding specific stiffness.
Metal Foam Products: Pohltec's portfolio includes aluminum foam sandwich panels, non-encased aluminum foam blocks and panels, and customized components. Its AFS product line offers exceptional bending stiffness-to-weight ratio, energy absorption, and vibration damping performance.
Key Products: Aluminum Foam Sandwich (AFS) panels, aluminum foam blocks and plates, custom aluminum foam parts.
Main Markets: Automotive, aerospace, marine, machinery, toolmaking, architecture, and furniture design across Europe and beyond.
Why Consider Pohltec: Deep know-how in AFS processing — including forming, joining, and machining — and the ability to supply both semi-finished and finished lightweight components make Pohltec a go-to German source for structural aluminum foam solutions.
6. Aluinvent Zrt. — Hungary
Company Overview: Aluinvent Zrt. is a Hungarian deep-tech company that has developed proprietary high-strength aluminum foam technology. Its engineered foams deliver dramatically improved strength-to-weight performance compared with conventional aluminum foams, targeting demanding structural, impact, and defense applications.
Metal Foam Products: Aluinvent produces aluminum foam and high-strength aluminum foam products with tailored density, pore structure, and mechanical properties, including advanced composite foam variants for load-bearing and protective uses.
Key Products: High-strength aluminum foam, aluminum foam panels, advanced composite aluminum foam.
Main Markets: Defense and security (armor and blast protection), automotive, transportation, construction, and industrial lightweighting across Europe and international markets.
Why Consider Aluinvent: When an application demands aluminum foam with significantly higher strength and energy-absorption capacity than standard grades — such as armor, impact protection, or load-bearing panels — Aluinvent's engineered foam technology deserves a place on the shortlist.
7. Changde Lyrun Material Co., Ltd. — China
Company Overview: Changde Lyrun Material Co., Ltd., based in Changde, Hunan Province, China, is one of Asia's leading manufacturers of porous metal foam materials for battery and electrochemical industries. The company operates large-scale production of nickel-based foams with strict control over porosity, thickness, and surface quality.
Metal Foam Products: Lyrun manufactures nickel foam, copper foam, Ni-Fe foam, and other porous metal substrates in a wide range of pore sizes (PPI), thicknesses, and widths, available in both coils and sheets for continuous battery production lines.
Key Products: Battery-grade nickel foam (coil and sheet), copper foam, Ni-Fe foam.
Main Markets: Battery manufacturers (NiMH, NiCd, and lithium-based systems), supercapacitor producers, fuel cell and electrolysis developers — across China, Asia, and export markets worldwide.
Why Consider Changde Lyrun: High-volume production capacity, competitive pricing, broad specification availability, and established supply into global battery supply chains make Lyrun a practical choice for cost-sensitive, high-volume nickel foam sourcing.
8. BEIHAI Composite Materials Group — China
Company Overview: BEIHAI Composite Materials Group is a Chinese manufacturer of metal foam and composite porous materials. The group maintains a broad multi-metal portfolio spanning aluminum, copper, and nickel foams, positioning itself as a versatile one-stop source for porous metal materials.
Metal Foam Products: BEIHAI supplies aluminum foam, copper foam, nickel foam, and other porous metal foam products in various porosities, densities, and formats, serving filtration, thermal management, electrode, and structural damping applications.
Key Products: Aluminum foam, copper foam, nickel foam, porous metal foam sheets, blocks, and components.
Main Markets: Filtration, energy, electronics, machinery, construction, and chemical processing customers in China and international markets.
Why Consider BEIHAI: A wide multi-metal product range, flexible customization, and China-based manufacturing efficiency make BEIHAI well suited to buyers who need several metal foam types consolidated from a single supplier.
9. Exxentis Ltd. — Switzerland
Company Overview: Exxentis Ltd., headquartered in Zurich, Switzerland, specializes in porous aluminum — open-cell metal foam materials that combine the strength and thermal performance of aluminum with the permeability of foam. The company's Swiss-engineered porous materials are used wherever controlled fluid flow, filtration, or heat transfer is critical.
Metal Foam Products: Exxentis produces porous aluminum foam and open-cell metal foam products with adjustable pore sizes, densities, and shapes, including finished functional components for filtration, aeration, heat exchange, and damping applications.
Key Products: Porous aluminum foam components, open-cell aluminum foam, customized porous metal parts.
Main Markets: Filtration and separation, pneumatics and flow control, thermal management, machinery, and medical and laboratory equipment — across Europe and worldwide.
Why Consider Exxentis: Swiss quality standards, precision-machined net-shape porous components, and strong application engineering support make Exxentis an excellent choice when buyers need finished, ready-to-install open-cell foam parts rather than raw blocks.
10. FOAMTECH — South Korea
Company Overview: FOAMTECH is a South Korean manufacturer specializing in aluminum foam and aluminum foam sandwich products. The company has developed dedicated aluminum foam technology for lightweight, energy-absorbing, and design-oriented applications across industry and architecture.
Metal Foam Products: FOAMTECH produces aluminum foam panels, aluminum foam sandwich panels, and custom aluminum foam components with controlled density and thickness, serving both functional and decorative end uses.
Key Products: Aluminum foam panels, aluminum foam sandwich (AFS), customized aluminum foam parts.
Main Markets: Automotive, railway, construction, architecture, and industrial equipment markets in South Korea, Asia, and export markets.
Why Consider FOAMTECH: A focused aluminum foam specialist combining Korean manufacturing efficiency with AFS sandwich technology, FOAMTECH offers competitive lightweight panel solutions for structural and design applications.
Frequently Asked Questions (FAQ)
1. Who are the top metal foam manufacturers and suppliers in the world in 2026?
The top metal foam manufacturers and suppliers in 2026 include ERG Aerospace, Cymat Technologies, Alantum Corporation, Havel metal foam, Pohltec Metalfoam, Aluinvent, Changde Lyrun Material, BEIHAI Composite Materials Group, Exxentis, and FOAMTECH. These companies supply different types of metal foam, including aluminum foam, nickel foam, copper foam, silver foam, and other porous metal materials for applications ranging from battery electrodes to structural panels.
2. What types of metal foam do manufacturers and suppliers produce?
Metal foam manufacturers produce a wide range of porous metal materials, including aluminum foam, nickel foam, copper foam, silver foam, nickel-iron (Ni-Fe) foam, NiMo foam, and metal foam composites. Depending on the manufacturing process, metal foam can be classified as open-cell or closed-cell. Open-cell foams are permeable and suit filtration, heat transfer, and electrode applications, while closed-cell foams excel in sound absorption, vibration damping, and energy absorption.
3. How do I choose a reliable metal foam manufacturer or supplier?
When choosing a metal foam manufacturer, evaluate its manufacturing experience, available metal materials, pore size and porosity control, density range, production capacity, customization capabilities, quality control systems, and application experience in your industry. For industrial projects, always request technical datasheets, pore-size and porosity data, and samples before placing a large order, and confirm the supplier's ability to hold consistent specifications across production batches.
4. What is the difference between nickel foam, copper foam, and aluminum foam?
Nickel foam offers excellent electrical conductivity, corrosion resistance, and a large surface area, making it the standard substrate for batteries, fuel cells, electrodes, and catalysts. Copper foam provides the highest thermal and electrical conductivity among common metal foams and is widely used for heat dissipation, EMI shielding, and electrode applications. Aluminum foam is extremely lightweight and is typically selected for structural components, sound absorption, vibration damping, and crash energy absorption.
5. Can metal foam manufacturers provide customized metal foam products?
Yes. Most metal foam manufacturers and suppliers can customize products by metal type, porosity, pore size (PPI), thickness, density, dimensions, surface treatment, and finished-component geometry. To get the best result, provide the manufacturer with detailed technical specifications and your intended application, so they can recommend the most suitable manufacturing process and material grade for your project.
Conclusion: Choosing the Right Metal Foam Partner in 2026
The global metal foam market in 2026 is led by a group of highly specialized manufacturers: ERG Aerospace (USA) and Cymat (Canada) set the technology benchmarks for open-cell and stabilized closed-cell foams; Alantum (South Korea) and Changde Lyrun (China) power the battery and electrochemical supply chain with high-volume nickel foam; Havel and Pohltec (Germany) lead in engineered aluminum foam sandwich construction; Aluinvent (Hungary) pushes the strength limits of aluminum foam; Exxentis (Switzerland) delivers precision porous components; and BEIHAI (China) and FOAMTECH (South Korea) provide versatile multi-metal portfolios at competitive scale.
No single supplier is the best fit for every project. The right choice depends on your metal type (aluminum, nickel, copper, or alloy), cell structure (open-cell vs. closed-cell), pore size, porosity and density specifications, order volume, and target application — from battery electrode substrates and heat exchangers to sound-absorbing architectural panels. Whatever your requirement, always request technical datasheets, verify porosity and density data, and test samples before committing to production volumes.
If you are looking for a responsive metal foam manufacturer that combines multi-material capability — aluminum foam, nickel foam, and copper foam — with flexible customization, strict quality control, and competitive pricing, we welcome you to explore our full product range and request a free quote or sample at www.hy-metalfoam.com. Our engineering team is ready to help you match the right metal foam specification to your application.
