3M8815 thermal double-sided tape custom processing: Yes Brand: 3M Model: 3M8815 Specifications: Any material: acrylic and ceramic polymer thickness: 0.38 (mm) Width: 5MM-550MM (mm) Color: white Scope: bonding heatsink , radiators and other integrated circuit packaging, high-power transistors cooling device. And other heat-generating components. 3M9890 thermal tape whether to provide custom processing: Yes Model: 3M9890 Material: Acrylic Thickness: 0.25 (mm) Width: 550 (mm) Color: white long-term temperature resistance: 149 (℃) Short-term temperature resistance: 260 (℃) applicable Range: fins, EMI screen paste it, then reinforcement plate soft board.