TC-400 Ceramicized Silicone Foam for Battery Thermal Runaway Protection

TC-400
TC-400 is a ceramicized silicone foam designed for battery cell-to-cell thermal runaway protection. Upon exposure to high temperatures, it forms a rigid ceramic barrier that helps delay heat propagation and improve battery pack safety.
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Product Overview
TC-400 is a ceramicized silicone foam specifically developed for lithium-ion battery thermal runaway protection.
Under direct flame or extreme heat exposure, the material rapidly transforms into a rigid ceramic barrier,
helping to block flame penetration and delay heat propagation between adjacent battery cells.
Combining fire resistance, thermal insulation and cushioning performance, TC-400 is an effective solution for high-energy-density battery pack designs.
 
Key Features
UL94 V-0 at 1mm Thickness
.Achieves UL94 V-0 flame retardancy at only 1mm thickness, supporting compact battery pack structures.
Ceramic Barrier Formation
.Transforms into a stable ceramic layer when exposed to high temperatures, providing effective flame blocking and thermal isolation.
Non-Toxic & Non-Flammable
.Does not generate toxic gases or combustible gases during ceramicization.
.Excellent Compression Recovery
Provides cushioning and spacing functions while maintaining long-term mechanical stability.
Designed for Battery Safety
.Suitable for cell-to-cell thermal runaway mitigation in EV and energy storage battery systems.
 
 
Applications
.Cell-to-cell thermal barriers
.EV battery packs
.Energy storage systems (ESS)
.Battery modules and battery packs
.Thermal runaway protection structures
.Fire-resistant battery insulation systems
 
Reference Properties
Property                                                      TC-400
Material                                                       Ceramicized Silicone Foam
Density                                                        400 ± 50 kg/m³
Color                                                             Gray/Black
Hardness                                                     45 ± 10 Shore OO
Tensile Strength                                      ≥ 0.8 MPa
Elongation                                                 ≥ 100%
Compression Set                                    ≤ 10%
Operating Temperature                      -40°C to +200°C
Flame Rating                                            UL94 V-0 @ 1.0mm
Thermal Runaway Protection           Yes
Ceramicization                                        Yes