This tim kit contains ak 455 thermal compound with a spreader tim clean cpu and heatsink cleaner tim clean fluid removes all thermal interface residues including silver based and prepares the chipset surface for new thermal compound a safe citrus base solvent leaves no residue it is ideal for cleaning cpu gpu northbridge ram etc high performance ak 455 thermal compound has an advanced formula designed to maximize heat transfer from chipsetcpu to the heatsink enabling you to get mo