Sunlu PETG Filament Green – Sunlu PETG G, 1.75 mm 3D printer filament

Sunlu PETG Filament Green (1.75 mm) is a PETG 3D printing filament designed for reliable extrusion and reduced warping on compatible desktop FDM printers. The material combines strength and flexibility with good layer adhesion and chemical resistance, making it suitable for functional prototypes, mechanical parts and everyday consumer items where durability and consistent print quality are important.

Advantages

Sunlu PETG offers high impact resistance and good interlayer adhesion, producing strong, consistent prints with minimal warping. The filament balances rigidity and elongation, providing durable parts that hold up under mechanical stress and repeated use. It is also suitable for objects that require some chemical and weather resistance.

Suitable for

• Functional prototypes and mechanical parts
• Consumer items and household tools
• Outdoor parts that need weather resistance
• Objects requiring good impact resistance

When it may not be suitable

PETG is not as heat-resistant as some engineering plastics; parts exposed to continuous temperatures near the Vicat softening point (around 68 °C) may deform. Also, while PETG has good chemical resistance, it may not be appropriate for applications requiring high resistance to aggressive solvents.

Key specifications

• Material: PETG
• Diameter: 1.75 mm
• Color: Green
• 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 Sunlu PETG filament into a compatible FDM 3D printer and set nozzle and bed temperatures according to your printer and slicer recommendations for PETG (typical nozzle temperature around the material melting point and a heated bed to reduce warping). Ensure dry filament storage before printing, use moderate print speeds and enable appropriate cooling settings to achieve good layer adhesion and surface finish. Adjust retraction and first-layer settings to prevent stringing and ensure a stable first layer.

What to consider before purchase

• Compatibility with your printer (filament diameter 1.75 mm)
• Required printing temperature range and heated bed capability
• Intended use regarding temperature exposure (Vicat ~68 °C)
• Need for dry storage to prevent moisture-related print issues

Usage recommendations

For reliable results with Sunlu PETG Filament Green, store the filament in a dry environment, print with a heated bed, use moderate speeds and fine-tune retraction to reduce stringing. Avoid prolonged exposure of printed parts to temperatures near or above 68 °C.