Sunlu PLA+ Silk Dual Color Filament (green and purple) for FDM 3D Printers, PLA+ Silk Dual-Color

The Sunlu PLA+ Silk Dual Color filament in green and purple blends two shades in a single PLA+ Silk strand to produce multicolored prints that shift with viewing angle. Designed for FDM 3D printers, the filament gives models a glossy, silky surface and is suitable for decorative items, figurines, prototypes and functional parts where both appearance and mechanical performance matter.

Advantages

This dual-color PLA+ Silk delivers a smooth, glossy finish straight from the printer, reducing the need for post-processing. Its improved mechanical properties provide higher strength, flexibility and impact resistance compared with standard PLA, while tight diameter tolerance and low shrinkage ensure stable feeding and consistent print quality across a wide range of FDM printers.

Suitable for

• Decorative models and display pieces
• Figurines and art prints with color-shifting effects
• Prototypes and visual mock-ups
• Gadgets and non-structural functional parts
• Hobbyist and maker projects requiring a glossy finish

When it may not be suitable

This filament is not intended for high-temperature applications or parts that must withstand continuous exposure above its heat deflection limit. For precision multicolor patterns where exact color placement is required, multi-filament printing or dual-extrusion systems may be more appropriate than a single-gradient filament.

Key specifications

• Material: PLA+ Silk (dual color: green and purple)
• Density: 1.23 g/cm³
• Vicat softening temperature: 54 °C
• Heat deflection temperature: approximately 57 °C
• Melting temperature: 164 °C
• Melt flow rate: 7 ± 2.5 g/10 min
• Tensile strength: 50 ± 4 MPa
• Elongation at break: 11 ± 3%
• Flexural strength: 78 ± 5 MPa
• Flexural modulus: 2600 ± 300 MPa
• Impact resistance (X-Y): 78 ± 5 kJ/m²
• Dimensional tolerance: ±0.02 mm

How to use

Print this Sunlu PLA+ Silk using standard PLA settings as a starting point: a nozzle temperature around the material's melting temperature, and a heated bed set below the heat deflection temperature to improve adhesion if needed. Ensure proper extrusion calibration and slow to moderate print speeds to preserve the glossy finish and smooth color transitions. Store the filament in a dry place or sealed with desiccant to maintain print quality.

What to consider before purchase

• Intended use temperature—avoid continuous exposure above the specified heat deflection value
• Whether a gradient, color-shifting filament meets your color-placement needs
• Compatibility with your FDM printer and nozzle size
• Storage conditions to prevent moisture absorption

Usage recommendations

For best results, calibrate extrusion and print at moderate speeds, use a well-leveled bed and consider a light brim or raft for small bases; keep filament sealed when not in use to preserve surface quality and print consistency.