High quality, U.S. origin 3M-8810 thermal adhesive tape on the back of the heat sink. No need to coat a layer of heat conduction glue on the heat sink, just remove the blue protective film on the back and then stick in the desired chip parts. Viscidity is very strong.
Notice: Make sure the surface of the component is clean before sticking the heat sink.
This heat sink can be used with stepper motors,motor driver board....
AL Heat Sink (With adhesive tape) 30x30x12mm (1 unit).