Sunlu PLA Rainbow

PLA filament with the color gradually changing over 8 meters; printed models show a rainbow gradient from bottom to top.

Diameter: 1.75 ± 0.02 mm

Print Temperature:
PLA Rainbow: 200–210 °C: 50–100 mm/s, 210–240 °C: 100–200 mm/s
Transparent PLA Rainbow: 195–205 °C: 50–100 mm/s, 205–220 °C: 100–200 mm/s
PLA+ SILK Rainbow: 205–215 °C: 50–100 mm/s, 215–235 °C: 100–200 mm/s

Print Bed Temperature:
No heating: glue required
Heated to 50–60 °C: glue not necessary

Bubbles: 100% bubble-free

Net Weight: 1 kg/spool
Gross Weight: 1.3 kg/spool
Length: 1.75 mm (1 kg) = 330 m

SUNLU Rainbow Filament

SUNLU Rainbow filament is reliable, versatile, and easy to use. No clogging, bubbles, or tangles; its excellent layer adhesion ensures high quality with every print. The color changes regularly every 8 meters, the transition between colors is natural, and each color is clear and beautiful.

SUNLU Upgraded Rainbow Filament (8 Meter Color Change)
This upgraded version of the regular Rainbow filament (16m) is designed to change colors more frequently, creating even more eye-catching results. SUNLU Rainbow 8M changes color every 8 meters (approx. 24g), providing more colors on shorter printing lengths compared to standard Rainbow filaments.

Integrate creativity into your daily life
With SUNLU's versatile filaments, you can bring your DIY projects, artworks, and industrial designs to life. Turn your ideas into reality with materials that combine creative freedom with reliable quality.

Seamless printing experience
SUNLU PLA and SILK filaments ensure smooth and stable printing thanks to high purity, minimal shrinkage, and excellent layer bonding. Create stronger parts with improved durability and detail.

Unleash creativity with vibrant colors
Explore your imagination with SUNLU's PLA Rainbow and Silk Rainbow filaments. With strong, clean colors and smooth color shifts, you'll achieve a vivid and dynamic expression in your 3D prints.

SUNLU 3D Printer Filament – Dimensional Accuracy

SUNLU filament has a dimensional accuracy of ±0.02 mm. The small diameter error provides wide compatibility and ensures stable and reliable printing. Low shrinkage and uniform diameter (±0.02 mm) guarantee smooth filament feeding and consistent results. The filament works perfectly with most FDM 3D printers, including Bambu Lab, Creality, Prusa, Anycubic, and others.

Secure vacuum sealing
All SUNLU filaments are vacuum-sealed with a desiccant bag, protecting against dust and moisture during transport. This ensures optimal filament quality and high print consistency.

Quality assurance in every spool
SUNLU 1.75 mm filament maintains strict diameter precision of ±0.02 mm. This ensures smooth, tangle-free printing and minimizes the risk of nozzle clogging – for a better and more efficient printing experience.

Environmentally friendly and user-friendly
Made from high-quality PLA, SUNLU filament is biodegradable and environmentally friendly. It requires a lower melting temperature, eliminating the need for a heated print bed – and it emits no unpleasant odor, making it ideal for both home and workplace.

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Filament TDS

Filament MSDS

Filament RoHS

Print Examples