Keystone Resin KeySpint Hard is a dental material designed for 3D printing night splints and mouthguards. The resin is fully biocompatible and compliant with international medical device regulations and standards. KeySplint Hard is 510K Cleared and Class IIa certified. The resin provides therapy for bruxism and in cases where tooth immobilization is necessary. The material is durable, easy to polish and clean, and also resistant to abrasion. KeySplint Soft is compatible with many 3D printers that work with DLP or mSLA (LCD) technology with a wavelength of 385 nm and 405 nm.

• biocompatible - 510K authorized and class IIa certified
• developed together with Henkel/Loctite - the light purple color was created together with the Henkel/Loctite brand
• durable
• easy to polish and clean - the patient can clean it easily
• abrasion resistant
• ideal for dental applications - for molding rigid splints, night guards
• for mSLA(LCD) and DLP 3D printers

Technical specification:

• Volume: 0.5kg, 1kg
• Color: Transparent, Light Purple
• Viscosity: 400-500 cP
• Flexural strength: 100-110 MPa (ASTM) 60-65 MPa (ISO)
• Flexural modulus: 2300-2400 MPa (ASTM) 1510-1600 MPa (ISO)
• Impact IZOD (notch): 29 J/m
• Shore D hardness: 89D
• EAB: 9%

• Be sure to store the resin in the dark and at room temperature
• Always wear protective gloves when working with resin