

3Dresyn OD-UHR “Ultra Hard & Rigid” – High-Rigidity Dental Model Photopolymer for Professional Laboratory Workflows
Product description
3Dresyn OD-UHR is an ultra-hard, high-rigidity dental photopolymer formulation developed for professional laboratory fabrication workflows of precision dental models and rigid dental tooling components requiring dimensional stability and thermal resistance.
Application framework
Designed for use in vat photopolymerization systems (SLA, DLP and LCD) within controlled laboratory environments. Suitable for fabrication of dental model components, appliance fabrication models and rigid tray-type laboratory elements. Final suitability and regulatory compliance of any device manufactured using this material must be validated by the user according to the specific workflow and applicable regulations.
Typical applications
- Dental model components
- Appliance fabrication models
- Rigid tray-type laboratory elements
Measured mechanical properties
- Tensile strength: <40 MPa
- Flexural strength: <40 MPa
- Young’s modulus: 2000–2500 MPa
- Elongation at break: <2.5 MPa (ISO 527)
- Shore hardness: D85–90
- Heat deflection temperature: >160°C @ 0.45 MPa
Measured physical properties
- Viscosity: <300 mPas at 23°C ± 2°C (ISO 3219)
Functional performance characteristics
- Ultra-hard and rigid structure
- Excellent dimensional stability
- High thermal resistance suitable for thermoforming workflows
- White opaque appearance
- Durable and low-shrinkage performance
Processing and handling performance
- Printable on most commercial and professional SLA, DLP and LCD 3D printers
- Increased durability of the resin tank
- Organo-tin free
Chemical and safety characteristics
- White opaque appearance
- Organo-tin free
Disclaimer
This material is supplied as a professional manufacturing material for laboratory workflows. It is not marketed as a finished medical device. The regulatory classification and compliance of any final dental device manufactured using this material remain the sole responsibility of the legal manufacturer in accordance with applicable regulations, including Regulation (EU) 2017/745.
This technical datasheet should be used together with the relevant processing, calibration, safety and workflow documentation available in the 3Dresyns® Resources section.
Document reference: TDS-3DRESYN-OD-UHR-EN | Version: 1.0 | Last updated: March 2026
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