High Thermal Conductivity Sealant Silicone for Gap Sealing of High-Power Transistors. High Thermal Conductivity: Thermal conductivity up to 1.5 W/m.K for efficient heat dissipation in high-power transistors. Multi-Color Options: Available in White, Black, Red, Gray, Transparent, and Translucent colors. RoHS Compliant: Fully complies with EU ROHS regulations, ensuring environmental safety. Strong Adhesion: Excellent adhesion to most metal and non-metal materials with strong sealing performance. Fast Curing Speed: Cures quickly at room temperature with surface drying time of 5-10 minutes. Moisture Curing: Single-component silicone rubber solidifies by contact with trace moisture in the air. OEM Label Service: We offer OEM label service with protection of your rights in your market.