Battery Thermal Insulation Tape for EV Safety and Heat Management
As electric vehicle (EV) battery systems become more powerful and energy-dense, managing thermal flow within the battery pack is critical to safety, longevity, and performance. Battery Thermal Insulation Tape is engineered to serve as a key component in the thermal management strategy of modern EVs — particularly in mitigating thermal runaway propagation, heat-induced degradation, and internal short circuits.
These tapes are typically pressure-sensitive and reinforced with high-performance materials such as aerogel composites, mica sheets, or ceramic-laden polymers, offering a lightweight yet durable barrier against high temperatures and arcing.
Core Functions and Applications
Battery thermal insulation tapes are applied in strategic areas within the EV battery architecture, such as:
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Around individual battery cells or modules to prevent heat transfer
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Between cells and cooling components (heat sinks, chill plates)
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In gaps between battery trays and covers as flame retardant barriers
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As a thermal containment layer for pouch or prismatic cells
Key Features and Benefits
| Feature | Benefit |
|---|---|
| 🔥 High Thermal Resistance | Protects against temperatures exceeding 500°C, helping delay or block thermal propagation in case of failure |
| 🔌 Electrical Insulation | Dielectric strength >6 kV AC to isolate conductive components |
| 🧪 Flame Retardant Properties | Meets UL® 94 V-0 or equivalent standards for flammability |
| 🪶 Lightweight Design | Contributes minimal weight to the vehicle while maximizing thermal protection |
| ⚙️ Conformable and Die-Cut Friendly | Easily integrated into complex battery module geometries |
| ✅ Material Compatibility | Available with adhesives tailored to silicone and non-silicone TIMs (thermal interface materials) |
| 🇺🇸 Made in USA Options | Supports IRA-compliant local sourcing for North American EV manufacturers |
Recommended Product Options
FT 3075 (Silicone-Based)
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Flame Tough™ silicone adhesive for bonding to silicone-based TIMs
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Excellent high-temp creep resistance
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UL 94 compliant for flame retardancy
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Suitable for areas near chiller plates and silicone gap fillers
FT 1123 (Acrylic-Based)
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Modified acrylic adhesive for low surface energy materials
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Strong foam bonding, good for curved and irregular surfaces
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High tensile and tear resistance, ideal for foam-insulated zones
FT 1165 (Flame Tough™ Acrylic)
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Flame-retardant UL 94 V-0 rated
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Strong adhesion to foams and low-energy substrates
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Single-liner format optimized for efficient lamination and die-cutting
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