3D ADD HRI1 Black, High Refractive Index Black additive

Product description

3D ADD HRI1 Black is a high refractive index liquid additive formulated for optical adjustment and black coloration of photopolymer systems. It incorporates a highly loaded micron-scale black material designed to provide refractive index enhancement, deep black appearance and stable dispersion in compatible 3D resins.

This additive is intended for refractive index modification, black coloration and optical tuning of photocurable resin systems for additive manufacturing and related applications.

Application framework

Designed for use in compatible photopolymer formulations and 3Dresyns® systems within controlled professional and research environments. Suitable for refractive index modification, black coloration and optical tuning of photocurable resin systems for additive manufacturing and related applications.

Typical applications

• Refractive index adjustment of photopolymer systems
• Black coloration of 3D printing resins
• Optical formulation development and tuning
• Nanocomposite/microcomposite resin preparation
• Advanced material customization in compatible photopolymer systems

Measured physical properties

• Active compound loading: 75–77%
• Refractive index of active compound: 2.3–2.5 at 589 nm
• Particle size (D50): <50 µm (99% <25 µm)
• Viscosity: medium
• Black color in daylight

Functional performance characteristics

• High refractive index liquid additive
• Medium viscosity with good handling characteristics
• Excellent stability without significant sedimentation
• Highly loaded with high refractive index black material
• Black opaque daylight appearance when used at >0.2% dosage in 3Dresyns® systems
• Compatible with most commercial 3D resins

Processing and handling performance

• Suitable for incorporation into compatible resin systems with controlled mixing
• Designed for stable dispersion with low sedimentation tendency
• Appropriate for optical and color tuning of photocurable formulations
• Recommended for validation under specific processing conditions

Chemical and safety characteristics

• Safe and biocompatible-grade formulation
• Hydrophobic behavior
• VOC-free formulation

Testing & processing disclaimer

Final optical behavior, dispersion stability, coloration and printability depend on the host resin, additive dosage, mixing conditions and processing workflow. Performance must be validated by the user for each specific application.

Disclaimer

This material is supplied as a professional manufacturing material and is not marketed as a finished medical device. Final part performance and suitability must be validated by the user according to the intended application.

Document reference: TDS-3D-ADD-HRI1-BLACK-EN | Version: 1.0 | Last updated: March 2026