3D resins with high refractive index (RI range 1.53-1.60)

Product description

3Dresyns® High Refractive Index Resins (RI 1.53–1.60) comprise a specialized family of photopolymers engineered for advanced optical, microfluidic and micro/nano fabrication applications requiring elevated refractive index values and tunable material performance.

Application framework

Designed for use in SLA, DLP, LCD and advanced lithography systems within professional and research environments. Suitable for optical components, photonic devices, nanoimprint lithography (NIL) and precision micro/nano fabrication processes where higher refractive index is required.

Typical applications

• Advanced optical components and lenses
• Photonic and light-guiding structures
• Microfluidic devices with optical functionality
• Nanoimprint lithography (NIL)
• Micro and nano fabrication
• Research and advanced material development

Measured / configurable material properties

• Refractive index (RI): 1.53–1.60
• Broad tunability of glass transition temperature (Tg)
• Wide range of Young’s modulus and hardness
• Adjustable tensile and flexural strength
• Variable viscosity and adhesion properties

Functional performance characteristics

• Photocurable with light sources from 150 to 420 nm
• Compatible with SLA, DLP & LCD 3D printing systems
• Available in biocompatible, monomer-based and monomer-free formulations
• Bio-based and biocompatible versions available
• Suitable as negative photoresists for nanoimprint lithography (NIL)
• Compatible with conventional, automatic and manual recoating systems
• Fluorescent and non-fluorescent grades available
• Photocurable in ambient conditions (no inert N₂ atmosphere required)
• Clear formulations available for optical applications

Processing and handling performance

• Compatible with SLA, DLP, LCD and advanced lithography systems
• Suitable for high-resolution exposure strategies
• Supports micro and nano-scale fabrication
• Adaptable to a wide range of processing workflows and environments

Available refractive index grades

• RI 1.53 – custom designed
• RI 1.54 – custom designed
• RI 1.55 – custom designed
• RI 1.56 – custom designed
• RI 1.57 – custom designed
• RI 1.58 – custom designed
• RI 1.59 – custom designed
• RI 1.60 – custom designed

Testing & processing disclaimer

Material performance depends on printer type, exposure conditions, geometry, optical requirements and post-processing. Optical performance, refractive index accuracy and application-specific behavior must be validated by the user.

Why choose 3Dresyns® High Refractive Index Resins

• High refractive index range (RI 1.53–1.60)
• Customizable formulations for specific optical requirements
• Broad compatibility with additive manufacturing and lithography systems
• Wide tunability of mechanical and processing properties
• Suitable for advanced optical and photonic applications
• Ambient curing capability without inert atmosphere
• Availability of biocompatible and bio-based formulations
• Fluorescent and non-fluorescent options

Regulatory & legal notice

These materials are supplied as professional manufacturing materials and are not marketed as finished products. Final validation for optical performance, biological interaction and application-specific requirements remains the responsibility of the user.

Document reference: TDS-RI-HIGH-EN | Version: 1.0 | Last updated: March 2026