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SUNLU Silk PLA+ Filament Review: Metallic sheen with PLA+ toughness

SUNLU Silk PLA+ Filament, Shiny Metallic Silk 3D Filament 1.75mm, High Strength PLA Plus 3D Printer Filament, 1KG Spool, Black
SUNLU Silk PLA+ Filament, Shiny Metallic Silk 3D Filament 1.75mm, High Strength PLA Plus 3D Printer Filament, 1KG Spool, Black
4.7
[Silk Metallic Luster]  Rich metallic sheen with silk-like layer finish for premium-looking prints.
[PLA+ Easy Bonding]  PLA+ strength with excellent layer adhesion and easy, reliable printing.
[Durable Flexible Filament]  Tough filament flexes without breaking, ideal for durable cases and cosplay armor.
[Vacuum-Sealed Protection]  Vacuum-sealed spool with desiccant and clip locks in freshness and prevents moisture.
[Pearlescent Color Shifts]  Pearlescent metallic color shifts under light; wide vibrant shade selection.
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3D printer filament that combines a silk-like metallic finish with PLA+ strength for decorative and functional prints. Makers and educators will enjoy eye-catching results that remain durable under handling. Is SUNLU Silk PLA+ Filament the right choice for projects that need both polish and reliability?

⚡ At a Glance
  • Surface Finish: Silky metallic sheen with smooth layer transitions
  • Best for: Hobbyists, cosplayers and educators seeking durable eye-catching prints
  • Not ideal for: High-temperature applications that require ABS-level heat resistance

Silk PLA+ blends PLA+ toughness with a metallic, light-shifting finish. Recommended printing range is 205–215°C with vacuum-sealed packaging for moisture control.


Showroom-quality surfaces - with metallic silk finish

A pronounced metallic luster and light-shifting effect produce a pearl-like sheen across printed layers, creating a dynamic appearance under different lighting.

Gives decorative models, jewellery and cosplay parts a reflective finish that changes with viewing angle, enhancing visual impact without extra post-processing.

Tough, flexible parts - thanks to PLA+ formulation

PLA+ retains classic PLA advantages such as strong layer bonding while offering improved toughness and bend resistance, described as bending without snapping.

Creates more robust phone cases and cosplay armour that withstand handling and minor impacts, reducing brittle failures during use.

Reliable printing for beginners - with smooth flow at 205–215°C

Recommended nozzle temperature is 205–215°C and print speed 50–100mm/s, with manufacturer claims of smooth flow and zero clogs on most FDM printers.

Simplifies setup and reduces failed prints, making it suitable for those new to FDM printing or for longer, uninterrupted print jobs.

✨ The 4 Key Reasons for SUNLU Silk PLA+ Filament
  1. Vibrant colour range - Pearl-like shades offer dynamic metallic effects across prints
  2. PLA+ toughness - Flexible prints resist snapping, suitable for handled prototypes
  3. Low warping formulation - Maintains flatness during printing for larger models and accurate dimensions
  4. Vacuum sealed spool - Keeps filament dry for consistent extrusion over time
📋 Technical Details at a Glance
  • Category: 3D printing filament
  • Material: PLA Plus, silk PLA+ formulation
  • Filament diameter: 1.75mm
  • Spool weight: 1KG
  • Finish: Shiny metallic silk, pearl-like sheen
❓ Frequently Asked Questions

Q: Is this filament suitable for beginners?

A: Yes. Smooth flow at recommended temperatures and reported zero clogs on most FDM printers make it beginner-friendly.

Q: What printing settings are recommended?

A: Use a nozzle temperature of 205–215°C and a print speed of 50–100mm/s for reliable results.

Q: How is moisture controlled during storage and shipping?

A: Each spool arrives vacuum-sealed with a desiccant and includes a filament clip to preserve texture and prevent dampness.

🏆 Our Verdict

Ideal for makers, cosplayers and educators who want decorative prints that also handle real use. The defining strength is the combination of a silk-like metallic finish with PLA+ level toughness. Long-term value comes from durable prints and moisture-resistant packaging that help maintain consistent results.