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Description
TPU AERO (Lightweight Foaming TPU) 3D Printing Filament
3D META's TPU AERO is an innovative foaming, lightweight TPU 3D printing filament that combines the flexibility of thermoplastic polyurethane with active foaming technology. As the filament reaches higher print temperatures, an integrated foaming agent activates and expands the material, dramatically reducing part density while maintaining a soft, flexible, rubber-like feel. The result is exceptionally light, soft, sound-absorbing prints with a unique textured surface — perfect for cosplay foam pieces, lightweight padding, custom insoles, and sound-dampening components. Like all 3D META filaments, TPU AERO is manufactured to strict quality standards and supplied on recyclable plastic spools.
Key Features of TPU AERO 3D Printing Filament
• Active Foaming Technology: Foaming agent activates at higher temperatures, expanding the filament for lightweight, low-density parts.
• Tunable Density: Print temperature directly controls expansion — print cooler for denser parts, hotter for lighter, foam-like prints.
• Flexible and Soft: Retains TPU's characteristic flexibility and soft-touch feel even in expanded, low-density prints.
• Sound and Vibration Dampening: The foamed structure naturally absorbs sound and dampens vibration — ideal for acoustic applications.
• Excellent Layer Adhesion: Strong inter-layer bonding maintains part integrity throughout the foamed structure.
• Distinctive Textured Surface: Foaming produces a unique matte, textured finish that hides layer lines.
• Strict QA Manufacturing: Every batch is checked for diameter consistency and foaming behaviour.
Applications for TPU AERO 3D Printing Filament
TPU AERO opens up new possibilities for soft, light, dampening parts that traditional rigid foams or solid TPU can't deliver:
• Cosplay Foam Pieces: Lightweight armour, props, and padding that look and feel like foam but print in one piece.
• Custom Insoles and Cushioning: Personalised shoe insoles, padding, and ergonomic supports with tunable softness.
• Sound-Dampening Components: Acoustic panels, vibration mounts, and noise-reducing parts for equipment and enclosures.
• Lightweight Prototypes: Soft prototypes for industrial design where weight and feel matter.
• Toys, Pet Products, and Comfort Items: Soft, lightweight items where rigid TPU would be too heavy or dense.
Note: Foaming behaviour varies significantly with temperature, print speed, and flow rate. Expect to spend time tuning your slicer profile for the density and finish you want. A direct-drive extruder is strongly recommended; Bowden setups can struggle with flexible filaments.
Storage and Drying for TPU AERO Filament
TPU is highly hygroscopic — drying before every print is essential for best results:
• Store in a Cool, Dry, Dark Environment: Use airtight containers or vacuum-sealed bags with fresh desiccants at all times.
• Drying Recommendations: Dry TPU AERO before every print. Use a filament dryer, food dehydrator, or enclosed 3D printer at 50–60°C for 6–8 hours.
Why Choose 3D META's TPU AERO 3D Printing Filament
• Innovative Foaming Technology – Print lightweight, low-density TPU parts with tunable density and feel.
• Top-Quality Materials – Premium TPU base with engineered foaming agent for repeatable, controllable expansion.
• Strict QA Standards – Tight diameter tolerance and verified foaming behaviour, batch after batch.
• Fully Tested In-House – Every batch is print-tested across a range of temperatures to confirm performance.
• Constant Innovation – 3D META is committed to bringing cutting-edge materials to Australian makers and welcomes customer feedback.
Ready to print light, soft, dampening parts that nothing else can match? Order 3D META TPU AERO filament today and explore the possibilities of foamed TPU.
Print Settings
Technical Specs
FAQs:
1. What temperature range activates the foaming?
Foaming begins around 220°C and increases with temperature. Print at 220°C for minimal expansion (denser parts) and step up toward 240–260°C for maximum expansion (lightest, softest parts). Tune in 5°C increments to dial in your target density.
2. Do I need a direct-drive extruder?
Strongly recommended. TPU AERO is a flexible filament and Bowden extruders often struggle with flexible materials — especially at the higher temperatures used for full foaming. A direct-drive setup with a constrained filament path will give the best results.
3. How much lighter are foamed parts compared to solid TPU?
Depending on print temperature, foamed TPU AERO parts can be 30–60% lighter than equivalent solid TPU. Higher print temperatures produce greater expansion and lighter, softer parts.
4. What flow rate (extrusion multiplier) should I use?
Because the material expands during printing, you'll typically reduce flow rate by 30–50% compared to standard TPU. Print a small test cube and tune flow to achieve the surface finish and dimensional accuracy you want.