Sunlu PLA+ Filament (Beige) — 1.75 mm PLA+ 3D Printing Filament

Sunlu PLA+ Filament (Beige) — 1.75 mm PLA+ 3D printing filament designed for FDM/FFF printers. The PLA+ formulation delivers improved toughness and better layer adhesion compared with standard PLA while maintaining vivid color and low shrinkage. This makes the filament suitable for both functional parts and aesthetic models where durability and a clean surface finish are important.

Advantages

The filament offers enhanced mechanical properties with higher impact resistance and good tensile and flexural strength. Dimensional accuracy and a uniformly controlled diameter support stable feeding and consistent print quality. Even winding on the spool reduces the risk of tangles and printing interruptions, while the material’s properties lower the likelihood of common printing issues such as warping, nozzle clogging, or excessive stringing.

Suitable for

• Prototypes and functional parts requiring increased toughness
• Decorative models and visual mock-ups with a beige finish
• Hobbyist printing and longer print jobs that benefit from reliable spooling
• Most consumer FDM/FFF 3D printers using 1.75 mm filament

When it may not be suitable

This PLA+ filament has moderate heat resistance (Vicat ~54 °C, HDT ~53 °C) and is not intended for high-temperature applications or parts that will be exposed to sustained heat above these temperatures. For projects requiring higher thermal stability or chemical resistance, alternative engineering plastics should be considered.

Key specifications

• Diameter: 1.75 mm (±0.02 mm)
• Color: Beige
• Density: 1.23 g/cm³
• Vicat softening temperature: 54 °C
• Heat deflection temperature (HDT): 53 °C
• Melting temperature: 164 °C
• Melt flow rate: 6.3 g/10 min
• Tensile strength: 64 MPa
• Elongation at break: 17 %
• Flexural strength: 86 MPa
• Flexural modulus: 2907 MPa
• IZOD impact strength (X–Y): 3.5 kJ/m² (note: manufacturer indicates improved impact resistance up to ~8 kJ/m² in other orientations/tests)

How to use

Load the 1.75 mm filament into any compatible FDM/FFF 3D printer following the manufacturer’s instructions. Recommended print temperature ranges are approximately 195–205 °C for moderate speeds (50–100 mm/s) and 205–220 °C for higher speeds (100–300 mm/s); adjust retraction, cooling, and bed settings according to your printer and model geometry. Use a well-leveled build plate and standard adhesion methods for PLA (e.g., glue stick, PEI, or blue tape) and allow parts to cool gradually for best dimensional stability.

What to consider before purchase

• Intended use temperature — not suitable for prolonged exposure above ~50–55 °C
• Printer compatibility — designed for 1.75 mm filament systems
• Required mechanical properties — review tensile, flexural, and impact values against your application needs
• Color match — beige finish may vary between spools/batches

Usage recommendations

For reliable results, start with mid-range temperatures (200–210 °C) and moderate speeds, then fine-tune cooling and retraction to reduce stringing. Store unopened spools in a dry place and reseal or use desiccant after opening to preserve filament quality.