KeyPrint® KeyTray™


KeyPrint® KeyTray™

Create strong and biocompatible impression trays

KeyTray is a strong, biocompatible (Class I) 3D printing resin designed to create customized, individual impression trays quickly and with precision. The material is strong and durable to withstand the forces of taking a patient impression and removing the tray from the oral cavity. It is compatible with all types of impression material.

Eliminate Stone Models with Customized,
Individual Impression Trays

KeyTray™ is a biocompatible 3D printing resin used for DLP 3D printers utilizing wavelengths between 385 nm-405 nm for the production of custom impression trays. With 3D printing and a digital workflow, you can create efficiencies in your lab or clinic, while improving the patient experience.

  • No preliminary casting required
  • Saves time by eliminating stone models
  • Improved impression accuracy
  • Compound waxes and border molding materials will adhere to the tray.



Compatible Keystone products

The KeyTray™ material pairs with the following Keystone dental products.

TAC™ Tray Adhesive Compound

Bosworth TAC Keystone



Keystone Dispensing Gun

Keystone Dispensing-Gun

Bosworth Rimseal™


Find the right material for your dental application.




Tested property Standard method Result
Flexural strength ASTM D790 84.7 MPa
Flexural modulus ASTM D790 1913 MPa
Tensile strength ASTM D638 62.1 (MPa)
Tensile Young’s Modulus ASTM D638 2056 (MPa)
Elongation at break ASTM D638 26.4%
Shore D Harness 86.5 D

*Denotes Keystone determined passing criteria based on design requirements

KeyPrint® KeyTray Technical Data Sheet