What it is

eSUN eClean is a specialized filament exclusively designed for cleaning the hotend and extruder of your FDM/FFF 3D printer. Instead of building parts, it serves as a maintenance tool: when run through the system, it helps dislodge residue from previous prints as well as any leaked or burnt filament that can impair performance.

Key Benefits

As filament residue (such as carbonized plastic, burnt particles, or old material) can accumulate in the printer's hot zone, it can inhibit flow, cause under-extrusion, or even completely clog the nozzle. Regular use of cleaning filament like eClean maintains stable extrusion, better print quality, and a lower risk of failed prints due to clogs.

Technical Specifications

Diameter: 1.75 mm
Weight: 100 g
Recommended operating temperature: 160-300 °C
Colour: Natural (uncoloured)

Usage Tips

• Heat the nozzle to a temperature within the recommended range that corresponds to the material last used (or slightly higher).

• Insert the eClean filament and extrude slowly until a clean, steady flow is observed.

• If residue is particularly stubborn, leave the filament in the nozzle for a short time at a higher temperature, then extrude.

• After cleaning, proceed with your normal filament and ensure it is properly inserted.

Packaging & Storage

The eClean spool is vacuum-sealed to protect against moisture, dust, and other environmental contaminants before use. This helps preserve cleaning effectiveness and ensures reliability when you need it. Store in a dry place after opening.