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SUNLU Silk PLA+ Filament Review: Durable, glossy prints for makers

SUNLU Silk PLA+ Filament, Shiny Metallic Silk 3D Filament 1.75mm, High Strength PLA Plus 3D Printer Filament, 1KG Spool, Light Gold
4.6
[Silky Metallic Finish]  Deeper metallic luster and silkier layered appearance than standard silk filaments.
[PLA+ Reliability]  Retains PLA+ perks: superb layer bonding and easy printing.
[Flexible and Durable]  Bends without snapping—perfect for durable phone cases and cosplay armor.
[Beginner-Friendly Printing]  Smooth flow at 205–215°C with minimal clogs on most FDM printers.
[Moisture-Proof Packaging]  Vacuum-sealed spool with desiccant and filament clip to preserve texture.
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SUNLU Silk PLA+ Filament delivers a glossy metallic finish and the strength of PLA+ for decorative and functional prints. Perfect for makers and cosplayers who want jewellery-like pieces that stand up to handling and photograph beautifully. Will the ease of printing, storage and eye-catching finish make the spool a useful staple for your workshop?

⚡ At a Glance
  • Print Finish: Silky metallic sheen with light-dependent colour shifts and pearl-like depth
  • Best for: Hobbyists, cosplayers, educators and engineers seeking durable, decorative FDM prints
  • Not ideal for: SLA or resin printers that do not accept FDM filament

Silk PLA+ combines metallic luster with PLA+ layer bonding and improved ductility. Vacuum-sealed spools and recommended 205–215°C printing produce low-warp, beginner-friendly results.


Show-stopping metallic finish – with Silk PLA+ formulation

Silk PLA+ composition and metallic additives create a smoother layered surface that reflects light, producing subtle colour shifts and a pearl-like depth visible across layer lines.

Eye-catching prints capture light like molten jewellery, ideal for display pieces and photographic props.

Durable flexible parts – thanks to PLA+ strength

The PLA+ base retains classic layer bonding while adding ductility, allowing printed parts to bend without snapping, as noted for phone cases and cosplay armour.

Perfect for wearable or handled items that need toughness with a little give, reducing brittle failures.

Beginner-friendly printing and storage – with smooth flow and vacuum-sealed spools

Filament flows smoothly through nozzles at around 205°C, with a recommended nozzle range of 205–215°C and print speeds of 50–100mm/s; each spool arrives vacuum-packed with a desiccant to control moisture.

Lower risk of clogs and warping means quicker setup and more reliable first prints, especially for newcomers.

✨ The 4 Key Reasons for SUNLU Silk PLA+ Filament
  1. Silk metallic sheen – Produces glossy, jewellery-like surfaces that catch light beautifully
  2. PLA+ toughness – Bends without snapping, suited to wearable and functional prints
  3. Easy nozzle flow – Smooth extrusion at 205°C reduces clogs and failed prints
  4. Vacuum-sealed spool – Moisture-lock packaging protects filament for consistent printing quality
📋 Technical Details at a Glance
  • Filament type: Silk PLA+
  • Material: PLA Plus with metallic silk finish
  • Diameter: 1.75mm
  • Spool weight: 1kg
  • Recommended nozzle temperature: 205–215°C
❓ Frequently Asked Questions

Q: Is SUNLU Silk PLA+ compatible with my FDM printer?

A: Yes, compatible with most FDM printers, designed for standard 1.75mm diameter spools.

Q: What nozzle temperature and speed should I use?

A: Recommended nozzle temperature is 205–215°C, with print speeds around 50–100mm/s for reliable results.

Q: How should I store the filament between prints?

A: Spools arrive vacuum-sealed with a desiccant, and storing them sealed or in a dry box will help preserve the silk finish and printability.

🏆 Our Verdict

Suitable for makers, cosplayers, educators and engineers who want decorative yet robust FDM prints. The silk PLA+ finish delivers a metallic, pearl-like look combined with PLA+ toughness and vacuum-sealed reliability. The packaging and beginner-friendly settings offer long-term value for frequent makers who prioritise consistent, showy results.