NinjaTek NinjaTek NinjaFlex Fire Red TPU Filament - 1.75mm (0.5kg)

NinjaTek NinjaFlex 85A TPU Filament is the first flexible material on the market. It has a low-tack, easy-to-feed texture and offers abrasion and chemical resistance. It has a shore hardness of 85A, an elongation of 660%, and excellent vibration reduction. It is great for creating household goods like phone cases, sports equipment, healthcare products, and industrial manufacturing prototypes.

  • Low-tack, easy-to-feed texture
  • 660% elongation for repeated movement
  • Abrasion and chemical resistance
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NinjaTek NinjaFlex 85A TPU Filament

As the first flexible material on the market, NinjaFlex TPU filament has proprietary technology that boasts a low-tack, easy-to-feed texture ideal for direct-drive extruders. The material has abrasion and chemical resistance and results in consistent printed parts.

 NinjaFlex is great for creating household goods like phone cases

Features of NinjaTek NinjaFlex

  • Shore Hardness = 85A
  • Truly flexible (no fill or layer manipulation required to achieve performance)
  • 660% elongation allows for repeated movement and impact without wear or cracking
  • Polyurethane composition allows for excellent vibration reduction
  • Proprietary low-friction exterior allows for smooth feeding
  • Abrasion resistance 20% better than ABS and 68% better than PLA
  • Consistent diameter and material properties providing reliable, high-quality prints
  • Chemical resistance to many materials. 
  • REACH and RoHS 3 (EU 2015/863)


  • Sports - From sneaker insoles to helmet inserts, NinjaFlex can protect athletes with its vibration dampening properties.
  • Healthcare - NinjaFlex is strong and flexible for applications like prosthetics and realistic organ prototypes.
  • Industrial Manufacturing - Test your new designs with a 3D-printed prototype or quickly create end-use parts for your equipment.

Technical Specifications

Extruder Temperature

  • 225°C – 250°C

Platform Temperature

  • Room temperature to 50°C
  • Glue is suggested on bed.

Print Speed

  • Top and bottom layers: 10-20 mm/sec (600-1200 mm/min)
  • Infill speeds: 15-35 mm/sec (900-2100 mm/min)
  • Layer 2+ use cooling fan if available.

NinjaTek NinjaFlex SDS

NinjaTek NinjaFlex TDS

Why Are Items on Clearance?

At MatterHackers, to bring you new and exciting products, we occasionally shift some of our quality stock to the Clearance section.

Reasons for Clearance Items:
  • New Product Versions: When manufacturers release updated versions of printers, CNC machines, filament, etc., the older versions typically go to Clearance.
  • Overstock: Items we have in excess are moved to Clearance to free up warehouse space.
  • Discontinuation: Discontinued product lines often end up in Clearance to expedite the sale of remaining stock.
  • Packaging Changes: When packaging updates occur, we shift the older packaged items to Clearance.
Clearance Does NOT Imply:
  • Poor Quality: Clearance items meet our rigorous quality standards and often brand new, unopened products.
  • Limited Support: You'll receive our excellent customer service for Clearance items. Note, all Clearance purchases are Final Sale and not covered by the MatterHackers Return Policy.

Note, all Clearance purchases are Final Sale and not covered by the MatterHackers Return Policy.

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