Kweiny Heat Insulation Cotton and PTFE High Temp Tape for 3D Printer Makerbot Hotend Heater Block | 10PCS Cotton and A Roll of Tape for Extruder Parts Tool Kit from xingzhu

Compatibility: Matches all 3D print extruder heater block offered from E3D Makerbot, MK8 Makerbot RepRap , etc. High temperature resistance: Both PTFE tape and heat insulation cotton, short term resistance to temperature 260 degrees Celsius (500 Fahrenheit ), long term resistance to temperature 300 degrees Celsius (572 Fahrenheit ) Function: Keep heater block temperature constant, so that improving the quality of the printed matter, save electricity and prolong the service life of heater and temp sensor Use-method: You can cut cotton into the right size and hole according to your needs, then stick it firmly with PTFE tape. 5 sides of heater can be wrapped up in cotton, except the surface installed heater wire, but you just need to use 1 piece cotton. You can also use PTFE tape to stick any other parts on your 3D printer Material: The heating insulation cotton is made from heat resistant ceramic fiber, the tape is made from PTFE