









3Dresyn ENG3 Bio, Engineering bio based resin with 25% Bio content in several colors
Product description
3Dresyn ENG3 Bio is a cost-effective bio-based engineering photopolymer formulation designed for functional part fabrication using SLA, DLP and LCD 3D printing technologies. The material incorporates approximately 25% bio-based content derived from renewable sources while maintaining robust mechanical performance suitable for engineering applications.
This formulation is engineered to provide a balance of rigidity, toughness and durability, supporting the production of functional components requiring reliable mechanical behavior and dimensional stability.
Application framework
Designed for use in vat photopolymerization systems (SLA, DLP and LCD) within professional and industrial environments for engineering, prototyping and functional part manufacturing.
Typical applications
- Functional engineering prototypes
- Mechanical parts and housings
- Jigs, fixtures and tooling components
- Durable concept validation parts
Measured mechanical properties
- Tensile strength: >40 MPa (ISO 527-1 / ISO 527-2)
- Flexural strength: >40 MPa (ISO 178)
- Young’s modulus: >1500 MPa (ISO 527)
- Elongation at break: <10% (ISO 527)
- Shore hardness: D85 (ISO 868)
Measured physical properties
- Bio-based content: ~25% from renewable sources
- Available colors: clear, black and grey
- Viscosity: low (optimized for flow and processing)
- Shrinkage: very low (typical)
- Resolution capability: very high (process-dependent)
Functional performance characteristics
- Hard and tough material behavior
- High mechanical strength for functional applications
- Good durability under mechanical load
- Very low shrinkage supporting dimensional accuracy
- Excellent surface quality and resolution
Processing and handling performance
- Printing technologies: SLA, DLP and LCD
- Ultrafast curing: <5 seconds per layer on LCD systems (process-dependent)
- Compatible with most commercial and professional systems when properly calibrated
- Low viscosity enabling reliable flow and recoating
- Supports extended resin tank lifetime
Chemical and safety characteristics
- BPA-free formulation
- Transition metal-free formulation
- Organo-tin free formulation
- Biocompatibility-related evaluation possible within validated workflows
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-ENG3-BIO-EN | Version: 1.0 | Last updated: March 2026
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