eSun Has discontinued the use of plastic spools, newer batches of eSun Filament will have cardboard spools instead of plastic.
eSun Luminous Rainbow is a modification of standard PLA. Luminous Rainbow has the same easy printing characteristics as PLA and is added with a gorgeous glowing appearance when in the dark. PLA is a biological material refined from corn grains and is naturally degradable, when compared to ABS, PLA does not require a closed chamber, has low shrinkage, no warping, no cracking, and can print large models without irritating odours during printing.

- Best print temperature: 210-230 °C
 - Print bed temperature: 45-60 °C
 - Print speed: 40-100mm / s
 
- High Rigidity
 - Suitable for printing larger models due to low warp properties
 - Consistent layers and clean retractions produce a superb surface finish.
 - Compatible with dual extrusion
 - Good adherence to clean glass bed (no additives necessary)
 - Absorbs energy during the day in order glow at night
 
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