3D Printer Filament Sunlu PLA+ High-Speed, Green (PLA+ H-S G)

Sunlu PLA+ High-Speed green filament is a PLA+ thermoplastic for FDM/FFF 3D printers designed to enable faster printing while preserving improved toughness and reliable layer adhesion compared to standard PLA. The material is developed for stable high-speed extrusion, consistent dimensional accuracy, and attractive color, making it suitable for everyday projects and more demanding models where durability and print quality matter.

Advantages

The filament is manufactured with careful, even winding to ensure smooth feeding and reduced risk of tangles or interruptions during printing. It exhibits resistance to common printing problems such as nozzle clogging, bubbling, stringing, and warping, and provides good interlayer adhesion and refined surface finish. Mechanical properties are enhanced versus many standard PLA formulations, giving higher impact resistance and improved durability for finished parts.

Suitable for

• Rapid prototyping and concept models
• Decorative parts and visual prototypes
• Hobbyist prints and functional consumer models with moderate mechanical demands

When it may not be suitable

This PLA+ is not formulated for high-temperature engineering applications; its Vicat softening temperature and heat deflection temperature are around 53–54 °C, so parts exposed to sustained higher temperatures may deform. It is also not intended as a direct replacement for engineering-grade nylons or polycarbonates when extreme strength, chemical resistance, or high-temperature performance is required.

Key specifications

• Material: PLA+ (polylactic acid modified)
• Colour: Green
• Diameter: 1.75 mm (tolerance ±0.02 mm)
• Density: 1.23 g/cm³
• Recommended 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
• Notched impact strength (X–Y): 3.5 kJ/m²; reported impact resistance up to ~8 kJ/m² in optimized conditions
• Vicat softening temperature: 54 °C
• Heat deflection temperature (HDT): 53 °C

How to use

Load the 1.75 mm filament into any FDM/FFF printer that accepts this diameter. Use standard PLA+ printing settings as a starting point: a nozzle temperature near the material melting temperature (around 200–220 °C depending on your printer and extruder), a heated bed if available set to typical PLA ranges (50–60 °C), and moderate cooling to balance layer adhesion and surface finish. Calibrate extrusion and retraction settings to take advantage of the filament's even winding and to minimize stringing. Adjust print speed upward progressively while confirming dimensional accuracy and layer bonding.

What to consider before purchase

• Ensure your printer supports 1.75 mm filament and can reach recommended extrusion temperatures.
• Consider end-use temperature exposure—parts may soften above ~50–55 °C.
• Check whether the mechanical properties (tensile strength, impact resistance) meet your functional requirements.

Usage recommendations

For faster, reliable prints with good surface quality, start with conservative speed settings and increase speed in small increments while monitoring layer adhesion and dimensional consistency. Store filament in a dry environment to preserve printability.