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Features and Benefits of NinjaFlex Filament

  • 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. View the NinjaFlex Chemical Resistance Guide for more information.
  • REACH and RoHS 3 (EU 2015/863)


Football Helmet


From sneaker insoles to helmet inserts, NinjaFlex can protect athletes with its vibration dampening properties.

Explore Sports Applications
Medical Bag


NinjaFlex is strong and flexible for applications like prosthetics and realistic organ prototypes.

Explore Healthcare Applications

Industrial Manufacturing

Test your new designs with a 3D-printed prototype or quickly create end-use parts for your equipment.

Explore Manufacturing Applications

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.

Tech Specs


Ready to experience the power and performance of NinjaTek® 3D printing filaments for yourself?

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.

Spool Weight

In-stock orders placed weekdays before 12:00 pm eastern will ship same day.

3D Printing Filament TPU NinjaTek NinjaFlex - Snow White - 1.75mm - 1kg

Product #3DNF0017510


NinjaTek stack of 3D printing filament spools

Compare key features, benefits and attributes.

Don’t see the filament you need? Schedule a custom filament consultation with our 3D Materials Engineering team.

Fenner Precision Polymers
187 West Airport Road
Lititz PA 17543 USA

[email protected]