Sunlu PETG Filament White for 3D Printing, PETG W (1.75 mm compatible)

Sunlu PETG Filament White is a 1.75 mm PETG spool for FDM/FFF 3D printers. The material combines good layer adhesion, moderate flexibility and chemical resistance to produce durable, functional parts and prototypes. It is intended for users who need tougher, less brittle prints than PLA while keeping predictable printing behavior.

Advantages

Sunlu PETG offers strong interlayer adhesion and high impact resistance, resulting in prints with good structural integrity and reduced risk of warping. The filament prints reliably to create components that retain mechanical properties over time and can be used both indoors and outdoors where durability and resistance to mechanical stress are required.

Suitable for

• Functional parts and mechanical components
• Prototypes and housings
• Objects exposed to intermittent mechanical loads
• Exterior elements that require weather resistance

When it may not be suitable

PETG is less stiff than some engineering plastics and may not be the best choice when very high heat resistance or extreme rigidity is required. For applications needing maximum temperature resistance or the highest dimensional stability under continuous high loads, alternative materials should be considered.

Key specifications

• Filament diameter: 1.75 mm compatible
• Color: White
• Density: 1.27 g/cm³
• Vicat softening temperature: 68 °C
• Heat deflection temperature: 68 °C
• Melting temperature: 195 °C
• Melt flow rate: 5.3 g/10 min
• Tensile strength: 53 MPa
• Elongation at break: 17.3%
• Flexural strength: 77 MPa
• Flexural modulus: 2226 MPa
• Impact strength: 2.7 kJ/m

How to use

Load the 1.75 mm filament into a compatible FDM/FFF printer. Recommended print temperature and settings depend on your printer and hotend; start around the material melting point and refine temperatures and print speed based on first-layer adhesion and extrusion consistency. Use a heated bed and appropriate bed surface or adhesive to reduce warping and improve first-layer adhesion. Allow printed parts to cool gradually for optimal dimensional stability.

What to consider before purchase

• Ensure your printer supports 1.75 mm filament diameter
• Confirm the required temperature range is compatible with your hotend and heated bed
• Consider whether PETG’s flexibility and temperature limits suit your application

Usage recommendations

For best results with Sunlu PETG White, use a heated bed, moderate printing speeds and tuned extrusion settings; test a small calibration print to optimise temperature and retraction before producing final parts.