

3Dresyn UHT Bio, ultra hard and tough
Product description
3Dresyn UHT BIO is an ultra hard and tough bio-based photopolymer formulation designed for high-performance applications in SLA, DLP and LCD 3D printing workflows. The material is engineered to deliver elevated mechanical strength, rigidity and durability, supporting demanding engineering and functional applications.
This formulation provides a combination of high stiffness and low elongation, enabling the fabrication of rigid parts with excellent dimensional stability and wear resistance.
Application framework
Designed for use in vat photopolymerization systems (SLA, DLP and LCD) within professional and industrial environments for manufacturing rigid, high-strength components.
Typical applications
- Rigid engineering components
- Functional prototypes requiring high stiffness
- Mechanical housings and structural parts
- Jigs, fixtures and tooling elements
Measured mechanical properties
- Tensile strength: >30 MPa (ISO 527-1 / ISO 527-2)
- Flexural strength: >50 MPa (ISO 178)
- Young’s modulus: 1500–2500 MPa (ISO 527)
- Elongation at break: <2% (ISO 527)
- Shore hardness: D85 (ISO 868)
Measured physical properties
- Viscosity: low (optimized for reliable flow and recoating)
- Shrinkage: very low (typical)
- Resolution capability: very high (process-dependent)
Functional performance characteristics
- Ultra hard and rigid material behavior
- High strength and structural integrity
- Excellent dimensional stability
- Low deformation under load
- High durability for functional applications
Processing and handling performance
- Printing technologies: SLA, DLP and LCD
- Compatible with most commercial and professional systems when properly calibrated
- Low viscosity enabling stable printing performance
- Supports extended resin tank lifetime
Chemical and safety characteristics
- Organo-tin free formulation
- BPA-free formulation
- Transition metal-free formulation
Testing & processing disclaimer
Material properties are measured under controlled laboratory conditions and may vary depending on printer type, exposure conditions, layer thickness, build orientation and post-processing workflow.
Disclaimer
This material is supplied as a professional manufacturing material for engineering and prototyping workflows. It is not marketed as a finished medical device. Final part performance and suitability must be validated by the user according to the intended application.
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-UHT-BIO-EN | Version: 1.0 | Last updated: March 2026
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