Prusa Mini Compatible Plated Copper Heat Break Copperhead 1.75mm

Slice Engineering

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Prusa MINI Plated Copper Heat Break from Slice Engineering x1 Heat Break

This new to industry Bi-Metal heat break was created to eliminate heat creep and PTFE clogs. Bondtech and Slice Engineering tested many materials with this new heat break to make sure it was the top performing Prusa Mini heat break on the market.

Included in this kit:

  • 1x Copperhead Prusa Mini compatible heat-break
  • 1x 32.8mm 2/4 chamfered PTFE tube
  • 1x Silver based thermal paste bag


We recommend to use the included silver based thermal grease to properly fit the P Mini heat-break in the Prusa Mini’s heat-sink. Slice Engineering Boron Nitrate thermal paste is another great option if you are looking to print at high temps.

IMPORTANT Notes on twisting the heat-break

To address the heat creep issues the design features a narrow steel throat with thin walls. When removing the heater block or changing nozzles, caution is required.

Before removing the heater block from the heat-break (or vice versa), heat-up the nozzle, hold the heater block and release some tightening pressure from the nozzle. Let the whole group cool down. After, you can simply unscrew the heat-break from the heater block.

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