TZ Series Closed-Cell Silicone Foam for Battery Pack Sealing & Cooling Plate Support
TZ Series
TZ Series closed-cell silicone foam is engineered for structural support and environmental sealing in EV battery systems. Combining IPX8 waterproof performance, vibration attenuation, low compression set and UL94 V-0 flame retardancy, it is ideal for battery enclosure sealing, liquid cooling plate backing and energy storage battery pack applications.
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TZ Series Structural Waterproof Silicone Foam
Product Description
TZ Series closed-cell silicone foam is a custom-engineered elastomeric material developed exclusively for structural support and environmental sealing of new-energy vehicle traction battery assemblies. Formulated to satisfy stringent automotive thermal management and ingress protection specifications, the product integrates IPX8 waterproofing, vibration attenuation, low compression set and UL94 V‑0 flame retardant insulation properties, with primary deployment for liquid cooling plate backing and battery pack enclosure sealing applications.
Core Technical Attributes
• IPX8 Ingress Protection Rating
• Low Specific Gravity & Superior Resilience
• Vibration Damping & Shock Mitigation
• Exceptional Compression Set Resistance
Approved Application Scope
• Structural support spacer for automotive battery liquid cooling plates
• Environmental waterproof sealing gasket for traction battery pack housings
Physical & Mechanical Property Specifications

Supplementary Product Information
1. Standard colour variants: Black, Grey; bespoke pigmentation available upon formal customer request.
2. Value-added processing options including precision die-cutting, slitting and pressure-sensitive adhesive lamination are configurable per client’s certified engineering drawings.
3. Inherent closed-cell microstructure delivers consistent airtightness and liquid impermeability, meeting the long-term sealing requirements of new-energy automotive battery PACK systems.
