Akasa's AK-TT12-80 double sided Thermal Adhesive Tape comes in a small 80mm x 80mm square, about 0.3mm thick, from which you cut out a small square the appropriate size for your application. The thermal interface material has a thermal conductivity of 0.9 W/mK, and is double-sided to ensure bonding with the IC and heatsink. Peel adhesion is rated at 1200g/inch2 - or 1.2kg per square inch.



Link: Frostytech