GTP300 12 W/mK Ultra High Thermal Conductivity Gap Filler Pad for EV Battery Cooling Plate

GTP300 12 W/mK Ultra High Thermal Conductivity Gap Filler Pad

GTP300 is the top of our conductive silicone gap filler range, reaching 12 W/m·K with a soft, highly conformable body. It is built for battery packs, fast chargers and GPU cold plates where every tenth of a degree of interface resistance matters.

Excellent Thermal Conductivity, Designed In

• 12 W/m·K bulk conductivity with thermal resistance as low as 0.35 °C·in²/W at 20 psi
• High loading of surface treated aluminium oxide and boron nitride keeps the filler soft while the filler network stays continuous
• Highly compressible body absorbs stack tolerance up to 40%, replacing thermal grease with a clean, pump-out free interface
• Low silicone oil bleed and low volatility, safe for sealed battery enclosures
• 8 KV/mm dielectric strength and UL94 V-0 flame rating for EV and energy storage modules

Technical Parameters

Typical Applications

• Prismatic and cylindrical EV battery modules, cooling plate interface
• On-board chargers, DC-DC converters and charging piles
• AI server GPU and CPU cold plates
• Solar inverters and energy storage racks

Customization and Support

Available as sheets, rolls, die-cut gaskets and ultra soft low modulus versions. Send us your gap tolerance and clamping force and we will quote the thickness and compression ratio that gives the lowest interface resistance for your stack.