TPU Filament

TPU filament (Thermoplastic Polyurethane) is a flexible 3D printing material known for its elasticity, durability, and impact resistance. It’s commonly used for prints that need to bend, stretch, or absorb shock without breaking.

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What Is TPU Filament Used For?

TPU is ideal for functional parts where flexibility matters. Unlike rigid materials, TPU can compress and return to its original shape, making it perfect for everyday, wearable, and protective applications.

You can explore different options within the TPU 95A filament range depending on your required flexibility and hardness.

Key Benefits of TPU Filament

  • Flexible and elastic – bends without snapping

  • High durability – resistant to wear, tear, and impact

  • Strong layer adhesion – reduces splitting during use

  • Shock absorption – ideal for protective components

  • Chemical resistance – suitable for demanding environments

For enhanced finishes, you can also explore TPU 95A Silk filament.

Common Applications of TPU

TPU filament is widely used across both hobby and industrial TPU 3D printing projects, including:

  • Phone cases and protective covers

  • Wearables like straps and bands

  • Gaskets and seals

  • Flexible joints and hinges

  • Vibration-damping parts

For stronger composite options, check out carbon fibre TPU filament.

Printing with TPU Filament

TPU printing requires a slightly different approach compared to PLA:

  • Slower print speeds help maintain control

  • Direct drive extruders are recommended for better feeding

  • Lower retraction settings reduce stringing

  • Stable temperature control improves consistency

With the right setup, TPU printing can produce highly reliable and flexible parts.

Understanding TPU Material and Hardness

TPU material comes in different hardness levels, commonly measured in Shore A (e.g. 85A, 95A).

  • Lower numbers (85A) = softer and more flexible

  • Higher numbers (95A) = firmer but still flexible

Choosing the right hardness depends on how much flexibility your project requires.

Choosing the Right TPU Filament

Before selecting TPU, consider:

  • Your printer type (direct drive vs Bowden)

  • Required flexibility level

  • Print speed capabilities

  • Application (protective vs structural)

If you're unsure which TPU filament suits your setup, you can contact us for help.

Frequently Asked Questions

What is TPU filament used for?

TPU filament is used for flexible and durable prints such as phone cases, wearables, seals, and shock-absorbing parts.

Is TPU hard to print?

TPU printing can be slightly more challenging than PLA, but with slower speeds and proper setup, it becomes manageable even for beginners.

What is the difference between TPU and PLA?

TPU is flexible and impact-resistant, while PLA is rigid and better suited for standard prints. TPU is used when flexibility is required.

What does 95A mean in TPU filament?

95A refers to the hardness level of the TPU material. It indicates a balance between flexibility and firmness, making it suitable for most applications.

Can all 3D printers use TPU filament?

Most printers can use TPU, but direct drive extruders typically provide better results due to improved filament control.