Medical Grade
Bioactive 3D Printer Filament

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Bonlecule filament features our unique formulation of hydroxyapatite-coated co-polymer nanoparticles. It shares similar mechanical properties to natural bone and is adhesive to bone cells leading to better efficacy. The filament is manufactured in an ISO 14644 / ISO 13485 facility to ensure highly consistent quality. Bonlecule will set the future standard for custom orthopedic implants and biomaterial building blocks.

State of the Art

  • ISO 10993-23:2021, ISO 10993-10:2021, ISO 10993-5:2019 and REACH (EC1907/2006) certified 
  • Excellent biocompatibility and bioactivity compared with other biomaterials such as Titanium and PEEK
  • Osteoconductive 
  • Superior mechanical properties
  • Stable to gamma radiation, E-beam, and Ethylene oxide
  • Printable with commercial FDM 3D printer producing bioactive implant in-house with ease
  • Affordable substitute compared with Titanium and PEEK


Engineers and clinicians are given the utmost flexibility to print with Bonlecule for various clinical applications.

  • Cranioplasty implant
  • Parietal bone
  • Spinal cage
  • Bone of rib cage
  • Radius and ulna
  • Carpal bones
  • Metacarpal bones and phalanges, etc.


Key Materials PMMA, nano-hydroxyapatite-coated PMMA-HEMA copolymer
Filament Diameter 1.75 mm ± 0.05 mm
Net Weight 100 g / 200 g
Colour Natural
Storage Condition Sealed, cool and dry place
Drying Condition 50°C for 24 hours
Flexural Properties*  Flexural strength: 60 – 100 MPa
Flexural modulus: 1.6 – 3.0 GPa

(*Depend on printing parameters. )


Extrusion / Nozzle Temperature 220 – 240°C
Build Plate Temperature 80 – 90°C
Chamber Temperature Not Required
Adhesion Type Glue or Kapton® film
Nozzle Diameter >0.4 mm

(*Exact values depend on the model of 3D printer. )

Regulation (EC) No 1907/2006 – Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH)
REACH (EC1907/2006)

ISO 10993-5:2009
Biological evaluation of medical devices — Part 5: Tests for in vitro cytotoxicity

ISO 10993-10:2021
Biological evaluation of medical devices — Part 10: Tests for skin sensitization

ISO 10993-23:2021
Biological evaluation of medical devices — Part 23: Tests for irritation

Bonlecule Technical Data Sheet

Bonlecule Catalogue 2022