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Keysplint Hard, Keystone splint resin

With the KeySplint Hard, Keystone has developed a biocompatible 3D printing resin for the digital production of hard splints, splints, night braces and mouthguards. Keyplint Hard is an optimized resin exceptionally strong, easy to polish and clean. The Keysplint hard has an optimized .ini file for high-quality prints with printers such as Asiga Max and Asiga Pro4K, but also printers such as the Carbon and Microlay. The optimized product .ini file has been created with exceptional settings for the generation of support structures. The supports are easy to release without too much after treatment. The printed key-board splint models are easy to finish for a nice end result.

Applications and Benefits

  • FDA 510k
  • Health Canada approved
  • CE marked (class IIA)
  • Unmatched  strength
  • Stain resistant
  • Very wear resistant
  • Retainers
  • Post-trauma tooth immobilization
Ultimate Flexural Strength ISO 20795-2 60-65 MPa
Flexural Modulus ISO 20795-2 1510-1600 MPa
Water Sorption ISO 20795-2 18 μg/mm3
Elongation at Break ASTM D638 9%
Biocompatibility ISO 10993-1 PASS

Keystone keyplint hard is available for printers with 385 & 405 light sources!

Light source: 385 nm UV / 405 nm
Packaging: 1000 grams / 500 grams
Brand: Keystone
Application: splints, night splints, mouthguards
Application: Dental
Printers: for printers such as Asiga, MiiCraft, Phorzen, Rapidshape, Carbon, Microlay
Medical Classification: Class IIa


Dr. Mark A. Latta

“The KeySplint Hard material exhibited excellent wear resistance – equal to the lab processed Lucitone 199. Further, the wear pattern suggests excellent wear resistance without tearing or cracking, suggesting excellent resistance to fatigue failure.”


KeySplint Soft by Keystone Industries


KeySplint Soft Polishing Protocol

Get the best results with the Keysplint Soft Polishing Protocol. In the different steps you see how to remove support and the various polishing strategies with pumice stone paste.

KeySplint Soft Polishing Protocol

Asiga PRO4K Keysplint Soft

All our KeyPrint 3D resins such as the KeyPrint KeySplint Soft are also validated for the Asiga PRO 4K 3D printers for dental! The volume, speed and reliability that users get with an Asiga PRO 4K suits these KeyPrint 3d fluids well.

Volume + Speed ​​+ Reliability = Asiga PRO 4K80 UV
20 splints in 2 hours! Splints 3D printed with KeySplint Soft.


Asiga PRO4K Keysplint Soft

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