Filament Prusa PETG 1.75 mm 1 kg — Chalky Blue, Prusa

Prusa PETG 1.75 mm Chalky Blue is a 1 kg spool of polyethylene terephthalate glycol-modified (PETG) filament formulated for FDM/FFF 3D printers. This filament provides a balance of tensile strength, impact resistance and dimensional stability, with reliable layer adhesion and moderate flexibility. The Chalky Blue color offers an even, matte-like finish suitable for functional parts and finished prototypes where a subdued blue tone is preferred.

Advantages

Prusa PETG combines strength and printability: it prints at moderate temperatures, resists chemicals and moisture better than many PLA blends, and produces durable parts with good layer fusion. The filament's diameter tolerance ensures consistent extrusion, reducing common print defects. The Chalky Blue pigmentation is formulated to yield uniform color across layers while maintaining mechanical properties typical of PETG.

Suitable for

• Functional parts requiring toughness and impact resistance
• Mechanical prototypes and jigs
• Enclosures and housings for electronics with moderate thermal demands
• Durable models and fixtures exposed to handling or light chemical exposure

Key specifications

• Material: PETG (glycol-modified polyester)
• Diameter: 1.75 mm nominal
• Spool weight: 1 kg of filament
• Color: Chalky Blue (matte-like finish)
• Compatibility: standard FDM/FFF 3D printers supporting 1.75 mm filament
• Mechanical profile: balanced tensile strength with moderate flexibility and good layer adhesion

How to use

Load the filament onto a compatible 1.75 mm feeder spool and set your printer to typical PETG printing temperatures (refer to your printer or hotend manufacturer's guidance). Use a heated bed to minimise warping and ensure good first-layer adhesion. Adjust print speed and cooling: moderate speeds and controlled part cooling produce better layer bonding and surface finish. Store the spool in a dry environment or sealed container with desiccant when not in use to preserve filament quality.

Usage recommendations

For best results, print PETG with a slightly higher nozzle temperature than PLA, enable a heated bed around recommended PETG temperatures, and use slower first-layer speeds. Avoid excessive part cooling to maintain interlayer adhesion. If precise tolerances are required, perform a calibration print to fine-tune retraction and extrusion settings for your specific printer and hotend combination.