PETG SUNLU glow in the dark PETG filament contains phosphorescent materials, which can glow in the dark after absorbing light energy. If it is exposed to UV lights, the luminous effect will be better. SUNLU PETG glow filaments can be made into prints that glow at night, which is very suitable for printing decorations for party and Parties. With its high impact resistance, PETG is perfect for printing parts that need to endure bumps and drops, ensuring long-lasting performance without cracks or breaks. PETG prints are robust and maintain their properties over time, making them suitable for both indoor and outdoor applications where weather resistance is a necessity. We recommend printing at a nozzle temperature of 245-260℃, bed temperature of 70-80℃, printing speed of 50-200mm/s.