A
Anonymous
Apr 14, 2026
Rating: 5/5
Perfect fit for Ultimaker
Sized perfectly for my machine, very easy to install without tools.
Description
High-Temperature Cotton Insulation for 3D Printer Heating Block and Nozzle, Compatible with MakerBot and Ultimaker
Reviews
Attributes
| Brand | - |
| Category | 3D Printing Accessories / Hot End and Nozzle |
| Origin | - |
| Material | Ceramic Fiber Cotton |
| Max Temperature | 1260°C (2300°F) |
| Compatibility | MakerBot, Ultimaker, Creality, Prusa |
| Thickness | 10mm |
| Color | White |
| Package Contents | 1 x Insulation Sleeve |
| Item Weight | 15 grams |
| Dimensions | 50mm x 50mm x 10mm |
| Primary Function | Heat Preservation & Energy Saving |
| Installation Type | Wrap-around Design |
5 reviews
A
Anonymous
Mar 15, 2026
Rating: 5/5
Great heat retention
Noticed less fan noise and stable temps immediately after installing.
A
Anonymous
Mar 12, 2026
Rating: 5/5
Good value
Cheap way to improve thermal stability on older printer models.
A
Anonymous
Mar 08, 2026
Rating: 5/5
Essential upgrade
My ABS prints are much better now with consistent hotend temperature.
A
Anonymous
Jan 28, 2026
Rating: 4/5
Works well but messy
Does the job effectively, though the fibers can be annoying during handling.
5 FAQ
Q: Can I trim this if it is too large?
A: Yes, the material is easily trimmable with scissors to fit your specific setup.
Q: Will this affect part cooling performance?
A: No, it isolates heat to the hotend and does not interfere with the cooling fan.
Q: How do I attach this to the heater block?
A: It is usually held in place by the part cooling fan shroud or high temperature tape.
Q: Does this fit an Ender 3 hotend?
A: Yes, the universal size fits most standard hotends including Ender 3.
Q: Is this material fireproof?
A: It is highly heat resistant up to 1260°C, but should not be exposed to direct open flame.
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