Sunlu PLA+ Silk Dual Color Filament (blue-green) — PLA+ silk dual-color 3D printing filament

Sunlu PLA+ Silk Dual Color Filament (blue-green) is a silk‑type PLA+ filament for FDM/FFF 3D printers that produces two‑tone, iridescent results. The dual‑color strand shifts between blue and green depending on viewing angle and light, giving prints a glossy, satin appearance suitable for decorative models, figurines, prototypes, and visual elements where an attractive surface finish is desirable.

Advantages

The filament combines a silky sheen with a smooth surface finish, delivering visually striking prints straight from the printer without additional polishing. It improves mechanical properties compared with standard PLA, offering increased strength, flexibility and impact resistance while maintaining ease of printing. Dimensional accuracy, low shrinkage and a uniform diameter support stable feeding and reliable results across a wide range of FDM printers.

Suitable for

• Decorative models and ornaments
• Figurines and display pieces
• Functional prototypes and visual prototypes
• Gadgets and enclosures with emphasis on appearance

When it may not be suitable

This filament is intended primarily for visual and moderately loaded parts; it may not be the best choice for high‑temperature applications or components requiring very high long‑term heat resistance. Although mechanically stronger than standard PLA, it is still a thermoplastic with a moderate heat deflection temperature and may deform under sustained heat or heavy continuous loads.

Key specifications

• Color: blue‑green two‑tone
• Density: 1.23 g/cm³
• Vicat softening temperature: 54 °C
• Heat deflection temperature: 57 ±3 °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

How to use

Print this PLA+ silk filament on standard PLA temperature settings; start with a nozzle temperature around the melting temperature range and adjust empirically for your printer and part geometry. Use a heated bed at a low temperature or adhesive surface as required to improve first‑layer adhesion. Ensure consistent filament feeding and calibrate extrusion to maintain dimensional accuracy. Allow parts to cool gradually to preserve surface finish and reduce warping.

What to consider before purchase

• Intended use: best for decorative, display and moderate‑load parts
• Printer compatibility: suitable for most FDM/FFF printers with standard PLA settings
• Thermal limits: moderate heat deflection and Vicat temperatures
• Surface appearance: dual‑color, glossy finish that depends on viewing angle

Usage recommendations

For best results, tune nozzle temperature and print speed for smooth extrusion, use proper bed adhesion, and allow parts to cool undisturbed; test small samples to find optimal settings for color shift and surface quality.