Filament Sunlu PLA+ Silk Dual Color (Red & Gold) — PLA+ silk blend, dual-color spool

Sunlu PLA+ Silk Dual Color filament in red and gold is a two-tone PLA+ silk blend supplied on a single spool for FDM/FFF 3D printing. The filament uses multi-color technology so that finished prints change appearance depending on viewing angle and light, producing a glossy, silky surface ideal for decorative prints, figurines, gadgets and prototypes where both visual effect and dimensional accuracy matter.

Advantages

The filament delivers a smooth, silky sheen and glossy finish straight from the printer, reducing the need for post-processing. Formulated as PLA+, it improves mechanical properties compared with standard PLA: higher tensile and flexural strength, increased impact resistance and better flexibility, while maintaining good printability and low shrinkage. Consistent diameter and dimensional accuracy ensure stable feeding and reliable results across many FDM printers.

Suitable for

• Decorative models and display pieces
• Figurines and artistic prints with multi-tone appearance
• Functional prototypes and small gadgets that require better strength
• Projects where surface sheen and visual effect are important

When it may not be suitable

This filament is not intended for high-temperature engineering applications: its heat deflection and softening temperatures are moderate and it may deform under sustained loads near or above those temperatures. For parts that must withstand continuous high heat, specialized high-temperature filaments are more appropriate.

Key specifications

• Material: PLA+ silk blend
• Color: red and gold (dual-color on one spool)
• 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

Load the Sunlu PLA+ Silk Dual Color filament into an FDM/FFF printer with a recommended nozzle temperature around the material's melting point (adjust within the printer manufacturer and filament guidelines). Ensure a clean, heated or unheated bed according to your printer setup and use a suitable print speed to maintain surface quality. Monitor first-layer adhesion and calibrate extrusion for consistent flow; the filament's low shrinkage and tight diameter tolerance support stable printing across common consumer printers.

What to consider before purchase

• Verify your printer compatibility with PLA+ and recommended nozzle temperatures
• Consider the intended operating temperature of printed parts relative to the filament's softening and heat deflection temperatures
• Decide if a dual-color silk finish fits the aesthetic requirements of your project

Usage recommendations

For best results, print at stable temperatures with moderate speeds and ensure proper bed adhesion; test small samples to adjust extrusion and cooling settings to achieve the desired glossy, multi-tone finish.