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Description: Aavid Thermalloy Theragrip is a double sided tape for ceramic or metal heatsink packages. Theragrip provides both good thermal performance and excellent electrical isolation.


  • Double sided adhesive
  • Great for attaching heat sinks

Dimensions: 2 x 2" (50.8 x 50.8mm)


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Customer Comments

  • This is the first Sparkfun product that did not work for me. It did not have much sticky. Maybe its too old? I use screws and heatsink grease instead. It was a pain.

  • I used four squares of this to stick a 4"x4" square of aluminum flashing to my Makerbot’s heated build platform.
    Works marvellously (surface temperature greater than 90C) and I don’t have to worry about the extruder nozzle bumping into bolt heads anymore!

  • This stuff works great. I was able to cut one of the squares into 4 pieces and use them for some MosFETs that I mounted on a large heat sink for a SMPS.
    The only downside is that if you burn something up and need to replace it, things get really messy.

  • Alright, so how much better is this than double sided Scotch tape? $4 for that tiny square makes me cringe.

  • I assume you can’t use heatsink compound with this. I guess it’s good if you need electrical isolation that badly… but for normal use, I would just use the good old bolt technique.

    • This is good for when you can’t bolt things together because you need isolation. Or when mounting is a bit more of a pain, or when you are using a non-standard heatsink (such as a metal plate, etc).

      • Or adding a tiny heat sink to a surface mount transistor when the manufacturer didn’t provide enough ground plane for proper heat dissipation.

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