Flame Retardant Foams
The H.B. Fuller Difference: Flame Retardancy Performance
H.B. Fuller® EV Protect™ 4006 and 5006 are both patented expanding foams that withstand UL 94 V-0 rating and withstand a torch test far beyond a comparable competitive material. Which material do you want to protect your batteries?
Foams: The "Seatbelt" of Battery Safety
Read our latest blog which offers a deep dive into lithium-ion battery fires, new regulatory actions and ways to prevent thermal propagation.
Featured Product: H.B. Fuller® EV Protect™ 5006
This flame-retardant material is designed to enhance the safety of batteries. It expands when exposed to heat, creating a protective barrier that can help prevent thermal runaway. It improves durability and reliability, enabling a safer, longer-lasting battery.
Key Benefits:
–Fast cure speed for improved cycle times
–Meets UL 94 V-0
–Low viscosity & self-leveling
Working with H.B. Fuller’s Battery Team
H.B. Fuller leverages over 130+ years of material knowledge and expertise to support the clean energy market with advanced solutions tailored for battery, energy storage, wind & solar applications. Our specialized adhesives, sealants, and thermal management materials are engineered for the unique demands of these markets, including enhanced safety, durability, and stability.
With a comprehensive understanding of materials science and industry challenges, we offer products that improve performance, streamline manufacturing, and ensure long-term reliability. By partnering with H.B. Fuller, manufacturers gain access to cutting-edge materials and expert guidance for optimized, high-quality systems in a competitive market.
- Strategic sourcing
- A team of unified R&D experts
- 10,000+ adhesives in our portfolio
- Formulated with variety of chemistries
H.B. Fuller’s clean energy team brings global expertise with a strong local focus, ensuring tailored support wherever you operate. Our network of experts understands regional market demands and compliance requirements, allowing us to deliver solutions that are both innovative and precisely adapted to local needs.
We collaborate closely with customers worldwide to provide on-the-ground insights and rapid responses, all backed by the extensive resources of a global leader. With a commitment to localized service and global knowledge, we empower our partners to succeed in diverse markets with materials that meet the highest standards of quality, safety, and performance.
H.B. Fuller offers robust technical support and testing capabilities to help customers achieve peak performance in their clean energy applications. Our dedicated technical team collaborates closely with you to understand specific challenges and optimize material solutions, ensuring they meet the highest standards.
With state-of-the-art testing partnerships and expertise in battery, energy storage, wind & solar applications, we provide insights that accelerate product development and enhance your designs. Our commitment to technical excellence means you can count on us for precise guidance and real-world testing to ensure every solution delivers exceptional results.
At H.B. Fuller, we don’t just offer off-the-shelf solutions—we take the time to understand your specific design requirements and formulate a tailored solution that precisely meets your needs. Our team collaborates closely with you, leveraging deep industry expertise and advanced R&D capabilities to create materials that enhance performance of your unique applications. From custom adhesives to specialized thermal management products, we’re committed to delivering innovative, fit-for-purpose solutions that empower you to succeed in a competitive market.
Frequently Asked Questions
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What types of foams are used in EV battery manufacturing?
In EV battery manufacturing, commonly used foams include polyurethane expanding foams, silicone foams, and polyethylene foams. Polyurethane foams provide excellent thermal insulation, structural support, and vibration resistance, helping secure cells in place. Silicone foams offer high heat resistance and flexibility, making them ideal for thermal management and sealing applications. Polyethylene foams provide lightweight protection and cushioning, helping absorb impact and prevent damage to battery components. Each foam type serves a unique function to enhance safety, stability, and efficiency in EV battery packs.
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Why is polyurethane foam used in EV battery packs?
Polyurethane foam is used in EV battery packs for its thermal insulation, vibration resistance, and lightweight structural support. This expanding foam fills gaps between cells, helping to stabilize them and prevent movement, which reduces the risk of damage from shocks and vibrations. It also provides a layer of thermal insulation, managing heat distribution within the battery pack to prevent overheating. Additionally, polyurethane foam is highly adaptable, allowing it to conform to complex shapes and ensure a secure seal around cells, which enhances both the durability and safety of the battery pack.
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Which foam pads are used in EV battery packs?
In EV battery packs, polyurethane foam pads are commonly used to enhance safety, thermal management, and durability. These pads provide shock absorption, structural support, and fill gaps within the battery pack. They also help with vibration resistance, reducing cell movement during vehicle operation.
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When would I use a polyurethane foam over other materials like adhesives or potting compounds?
Polyurethane foam is ideal over adhesives or potting compounds when lightweight gap filling, vibration resistance, and thermal insulation are key. It expands to fill spaces, offers shock absorption to protect battery cells, and provides insulation without excessive weight. Polyurethane foam is also easier to apply and remove than potting compounds, making it an excellent choice when flexibility, re-workability, and lightweight support are essential.
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