Bergquist Self-Adhesive Thermal Interface Pad, 0.152mm Thick, 2.5W/m·K, Q-Pad II, 19.05 x 12.7mm

Q-Pad Q2 insulators are made up of a 25 μm aluminium sheet, coated on both sides with a 65 μm thermo-conductive layer.
Thermal conductors.
They overcome problems associated with grease, including contamination of fusion welds and cleaning operations.
Available in dry or self-adhesive models.
They are intended for applications not requiring any electrical insulation.
They prevent deposits of dust often likely to cause short-circuits or heat accumulations.
Zero electrical insulation.
Directly replaces silicone grease.