TPU-LW Gray Lightweight TPU Filament 1.75mm 750g eSun

Flexible lightweight TPU with individually adjustable density and strength! This innovative TPU filament from eSun is specially designed to foam during printing. The density and strength can be customized through printing temperature and extrusion factor. With a maximum foaming ratio of 200%, the weight can be significantly reduced without losing stability. The material has a fine matte texture that minimizes visible layer lines and provides a pleasant feel. Despite its high flexibility, TPU-LW remains tear-resistant and elastic, allowing printed objects to return to their original shape after deformation. Thanks to its good adhesion and easy paintability, it is ideal for model building, cosplay, flexible wearables, and sports equipment. Whether for lightweight aircraft models or flexible protective components – TPU-LW offers you limitless design possibilities!

Features:

• Maximum foaming ratio of 200% enables extreme weight reduction.
• Density and strength individually adjustable by temperature and extrusion factor settings.
• Fine, matte surface minimizes visible layer lines and ensures a high-quality appearance.
• High elasticity enables return to the original shape after deformation.
• Very good layer adhesion improves the stability of printed objects.
• Easily paintable surface, ideal for creative projects.
• Material savings of up to 54% compared to conventional TPU.
• Vacuum-sealed packaging with drying agent
• Recyclable cardboard spool for environmentally conscious disposal

Application examples:

• Aircraft and ship models: Reduced weight for improved aerodynamics and longer flight times.
• Cosplay accessories: Lightweight and flexible armor parts that are comfortable to wear.
• Wearables and protective gear: Perfect for orthopedic applications or sports protectors.
• Flexible damping elements: Usable for shock-absorbing components in vehicle models or machines.
• High-performance prototyping: Creation of ultra-light, customizable functional components.

Quick guide for printing with TPU-LW

• Disable retract: Turn off retraction in the slicer as TPU continues to foam in the hotend. Stringing is normal – vase mode can help.
• Adjust first layer: Set speed to 100% and disable slowdown for small areas. Adjust extrusion rate (e.g., 58% at 260°C).
• Optimize adhesion: If the part adheres too strongly to the print bed, reduce the bottom layer extrusion value.
• Observe maximum print temperature: Do not operate PTFE tubes above 250°C – use a metal hotend for higher temperatures.
• Avoid discoloration: Excessive temperatures can cause yellowing or nozzle clogging – reduce temperature if necessary.
• Ensure constant temperature: Perform PID tuning and disable speed reductions to ensure stable foaming.
• Fine-tune extrusion:
  • Higher temperature → more foaming → less extrusion required
  • Higher printing speed → less foaming → more extrusion required
  • Adjust printing parameters individually and optimize wall thicknesses in the model.

Bambu Lab AMS-compatible cardboard spool:

Our cardboard spools are perfectly matched for use with the Bambu Lab AMS. The plastic coating of the cardboard surface allows handling like conventional plastic spools – no adapter needed. An environmentally friendly solution that does not compromise on comfort.

• Perfect Compatibility: Can be used directly in the Bambu Lab AMS without additional tools.
• Easy to handle: Usable like plastic spools due to the plastic coating of the cardboard surface.
• Environmentally friendly: Easy and ecological disposal through cardboard recycling channels.

Download:

• Filament Datasheet

Technical data:

• Manufacturer: eSun
• Manufacturer SKU: TPU-LW-P175H0.75
• Color: Gray
• Weight: 0.75Kg
• Filament diameter: 1.75 mm
• Density: Variable through temperature and extrusion factor
• Maximum foaming ratio: 200%
• Printing temperature: 210 – 280°C
• Bed temperature: 40-60°C
• Printing speed: 20 –80mm/s
• Flexibility: Very high, elastic and durable
• Impact resistance: High
• Drying required: Yes, 65°C for at least 4 hours before printing
• Tensile strength (MPa): 24.5
• Melt flow index (g/10 min): 5
• Bending strength (MPa): 5.4
• Flexural modulus (MPa): 113
• Density (g/cm³): 1.12
• IZOD impact strength (kJ/m²): 48
• Spool size outer diameter: 200mm
• Spool width: 64mm
• Inner diameter (hole): 55mm
• Gross weight: 1110g
• Dimensions: 198 x 198 x 60mm

Scope of delivery:

• 1x TPU-LW Gray Lightweight TPU Filament 1.75mm 750g eSun