Sunlu PLA+ Filament (Yellow) — Sunlu PLA+ Y 1.75 mm 1 kg (PLA Plus) for FDM 3D Printers

Sunlu PLA+ Filament (Yellow) is a 1.75 mm, 1 kg spool of PLA Plus designed for FDM 3D printers. The material provides improved toughness and reliable dimensional accuracy for visual models, prototypes and functional parts. It combines deep, consistent color with mechanical properties that make printed parts more resistant to impact and everyday handling while remaining easy to print and compatible with a wide range of printers.

Advantages

Sunlu PLA+ offers higher impact resistance compared with many standard PLA filaments, with improved interlayer adhesion and low shrinkage for stable prints. The filament is wound evenly to reduce tangles and feeding issues, has narrow diameter tolerance for smooth extrusion, and is formulated to minimize nozzle clogs, air bubbles and stringing.

Suitable for

• Prototyping and concept models
• Display models and decorative parts requiring bright yellow color
• Hobbyist prints and functional components with moderate mechanical demands
• General-purpose FDM printing where ease of use is important

When it may not be suitable

This PLA+ has improved toughness but is not suitable for high-temperature applications above its heat deflection limits or for parts that must withstand continuous mechanical stress at elevated temperatures. It is also not intended for use where chemical resistance to strong solvents is required.

Key specifications

• Filament diameter: 1.75 mm (±0.02 mm)
• Spool weight: 1 kg
• Material: PLA+ (PLA Plus)
• Color: Yellow
• 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

How to use

Load the 1.75 mm Sunlu PLA+ filament onto a compatible FDM printer and set printing temperature according to your printer and model: typical recommendations are 195–205 °C at 50–100 mm/s or 205–220 °C at 100–300 mm/s. Use a heated bed if available or appropriate surface preparation for adhesion; recommended bed temperature is near room temperature to slightly elevated for PLA+. Print cooling and moderate speeds help achieve good surface finish and layer adhesion. Store the spool in a dry place or sealed bag with desiccant to prevent moisture uptake.

What to consider before purchase

• Check your printer supports 1.75 mm filament
• Confirm expected temperature range (195–220 °C) suits your hotend
• Consider the material’s heat deflection limits (~53–54 °C) for end-use parts
• Ensure yellow color and finish match your project needs

Usage recommendations

For best results with Sunlu PLA+ (Yellow), start with 200 °C and 60 mm/s, enable part cooling, and keep the filament dry. Adjust print speed and temperature within the recommended ranges to balance surface quality and strength depending on the model.