SUNLU TPU Silk Filament – Black (1KG)

SUNLU TPU Silk Flexible 3D Printer Filament – Black (1KG / 2.2 lbs)

Premium silk-textured TPU filament that combines flexibility with a stunning silky sheen finish. Perfect for creating flexible 3D printed models with an eye-catching silk surface that stands out from standard TPU prints.

Key Features

• Silk Texture Finish – Beautiful silky sheen on flexible prints, no post-processing needed
• Rigid and Flexible – Excellent balance of softness and structural integrity
• High Elasticity – Great for phone cases, shoe soles, wearables, and functional flex parts
• Wear & Oil Resistant – Durable prints that hold up to real-world use
• Anti-Aging – Extended service life with no bubbles in finished prints

Print Tips

• Near-end extrusion: Up to 50mm/s with retraction, 60mm/s without
• Distal extrusion: Up to 20mm/s without retraction, 30mm/s without
• For softness: No infill, wall thickness 0.8-1.2mm
• For elasticity/hardness: 5-15% infill, wall thickness 1.2mm+

Specifications

• Material: TPU Silk
• Diameter: 1.75mm (±0.03mm)
• Weight: 1KG (2.2 lbs)
• Nozzle Temp: 210-230°C
• Bed Temp: 50-60°C
• Print Speed: 20-50mm/s (recommended)
• Compatible: Most FDM 3D printers with direct drive extruders

Available for local pickup through our drop box system in Ohio – skip the shipping wait!