ESUN PLA-BASIC 1.75mm Blue 1kg Refill

For makers who want dependable prints without the waste of a new spool, the ESUN PLA-BASIC 1.75mm Blue 1kg Refill delivers the same quality filament on a cardboard core that slides onto your reusable spool. The rich blue colour is consistent from first layer to last, and the ±0.03 mm diameter tolerance keeps extrusion smooth on any FDM printer.

Highlights

• Refill format: 1 kg of filament on a cardboard core, ready for your existing spool
• Precision diameter: 1.75 mm ±0.03 mm for reliable feeding
• Vibrant blue colour with excellent layer adhesion
• Low odour and easy to print, ideal for beginners and pros
• Compatible with all common FDM 3D printers

In daily use

Load the refill onto your spool, set your nozzle between 190 and 220 °C, and start printing. The PLA-BASIC flows evenly, minimises stringing, and produces clean details on functional parts, prototypes, and decorative models. The blue shade hides minor imperfections and looks great on display pieces.

Full specifications

• Material: PLA (Polylactic Acid)
• Filament diameter: 1.75 mm
• Diameter tolerance: ±0.03 mm
• Net weight: 1 kg
• Colour: Blue
• Print temperature: 190–220 °C
• Bed temperature: 0–60 °C
• Density: 1.24 g/cm³
• Tensile strength: 50 MPa
• Elongation at break: 5%
• Melt flow index: 2.5 g/10 min (190 °C/2.16 kg)
• Shore hardness: D 52
• Spool dimensions (approx.): diameter 200 mm, hub 56 mm, width 64 mm
• Packaging: refill on cardboard core
• Biodegradable under industrial composting conditions

Final note

Cut down on plastic waste and keep your printer running with ESUN PLA-BASIC refills — same trusted quality, smarter packaging.