Product description

Hello3D PLA UV Change is a special photochromic filament that changes color from white to purple when exposed to UV radiation (sunlight, UV lamp). After exposure ends, it returns to its original color. Based on classic PLA, so it prints easily and without complications.

Why choose this filament

• Attractive white → purple effect for decorations, gifts, and educational projects.
• Suitable for beginners and advanced makers (standard PLA settings).
• Consistent quality – pure raw materials, no recyclate, RoHS certified, SGS tested.
• Compatible with most FFF/FDM printers using 1,75 mm filament.

Recommended print settings

• Nozzle temperature: 190–220 °C
• Bed temperature: 0–60 °C
• Low shrinkage; use common PLA profiles and we recommend a “temperature tower” before the first print.

Key parameters

Tips for use

• The most pronounced effect is achieved in direct sunlight or under strong UV light.
• For uniform color during printing, protect the model from fluctuations in UV intensity (e.g., print in a room without sunlight).
• To preserve properties, store the filament dry, in a sealed bag with silica gel.

Key features:

• Changes color from white to purple under UV radiation – strong photochromic effect.
• Easy printing like regular PLA, low shrinkage.
• Diameter accuracy ±0,05 mm for reliable feeding and smooth surfaces.
• 1 kg per spool (approx. 330 m) – ideal for larger projects.
• Proven settings: nozzle 190–220 °C, bed 0–60 °C.
• Quality raw materials, no recyclate; RoHS, SGS tested.
• Spool dimensions Ø 197 × 60 mm (width), hub 60 mm – easy storage.
• Compatible with most FDM printers with 1,75 mm filament.