Sunlu PLA Matte Filament Light Green — PLA 1.75 mm for FDM 3D Printers

Sunlu PLA Matte Filament Light Green is a 1.75 mm PLA filament intended for FDM/FFF 3D printers. It delivers a low-gloss, matte surface that reduces visible layer lines and produces visually refined parts with a soft, tactile finish. The material balances an attractive appearance with reliable layer and bed adhesion, making it suitable for visual models, prototypes and decorative components.

Advantages

The filament provides a smooth matte finish that diminishes layer visibility and can present a slightly metallic look. It offers stable dimensional control with a diameter tolerance of ±0.02 mm and good roundness for consistent extrusion. The 1 kg spool (approx. 330 m) prints with low shrinkage, minimal nozzle clogging and no air bubbles, while the manufacturing process reduces tangles and breaks during printing.

Suitable for

• Visual prototypes and display models
• Decorative parts and figurines with a matte aesthetic
• Low-warp prints that require good layer adhesion
• General-purpose FDM projects using a heated bed

When it may not be suitable

This PLA variant is not intended for high-temperature applications — its Vicat softening temperature and heat deflection temperature are around 53–54 °C, so it may deform if exposed to sustained heat above that range. It is also not suitable for applications requiring very high impact resistance or extreme mechanical loads compared with engineering-grade polymers.

Key specifications

• Material: Polylactic acid (PLA), biodegradable, plant-derived
• Diameter: 1.75 mm (tolerance ±0.02 mm)
• Spool weight/length: 1 kg (~330 m)
• Density: 1.3 g/cm³
• Vicat softening temperature: 54 °C
• Heat deflection temperature: 53 °C
• Melting temperature: 162.6 °C
• Melt flow index: 10.0 g/10 min (±0.2 g)
• Tensile strength: 50.5 MPa
• Elongation at break: 9.6 %
• Flexural strength: 61 MPa
• Flexural modulus: 2234 MPa
• Impact resistance: 4.9 kJ/m²
• Color: Light green, matte finish

How to use

Load the filament into a compatible FDM 3D printer with a 1.75 mm feed path and use typical PLA printing temperatures. A heated bed is recommended; set bed temperature in line with PLA settings for your printer and apply any standard adhesion aid if needed. Print speeds and retraction settings should be tuned for matte PLA to avoid stringing while preserving surface quality. Store the filament vacuum-packed and dry when not in use to maintain optimal print performance.

What to consider before purchase

• Intended operating temperature — not suitable for parts exposed to sustained heat above ~50–55 °C
• Mechanical requirements — evaluate strength and impact resistance against your application needs
• Printer compatibility — requires a 1.75 mm filament-capable FDM/FFF printer, preferably with a heated bed
• Desired surface finish — matte appearance reduces visible layer lines but may affect fine gloss details

Usage recommendations

For best results, print Sunlu PLA Matte at standard PLA nozzle temperatures for your machine, use a heated bed and moderate print speeds; adjust retraction to reduce stringing and keep the filament dry between prints to preserve surface quality and dimensional consistency.