3Dresyn CR UHT, chemical resistant ultra hard and tough

Product description

3Dresyn CR UHT is an ultra hard and tough chemically resistant photopolymer designed for SLA, DLP & LCD 3D printing.

This synthetic thermoset crosslinked network material is engineered for excellent chemical resistance to polar and non polar chemicals, including most strong chemicals such as strong alkalis, acids, oxidizing and reducing agents. It provides higher chemical resistance but more brittle behavior than 3Dresyn CR UT.

Application framework

Designed for use in vat photopolymerization systems (SLA, DLP and LCD) within professional and industrial environments requiring excellent chemical resistance, high rigidity, high temperature resistance and dimensional stability.

Typical applications

• Chemically resistant technical components
• High temperature resistant rigid parts
• Dimensionally stable functional parts
• Durable printed parts exposed to aggressive chemical environments

Measured mechanical properties

• Tensile strength: >40 MPa (ISO 527-1 / ISO 527-2)
• Flexural strength: >40 MPa (ISO 178)
• Young’s modulus: >3000 MPa (ISO 527)
• Elongation at break: <2% (ISO 527)
• Shore hardness: (ISO 868)
• Notched Izod impact strength: 20-25 J/m (ASTM D256 / ISO 180)

Measured physical properties

• Heat deflection temperature: >220ºC @0.45 MPa (ISO 75)
• Shrinkage: very low

Functional performance characteristics

• Excellent chemical resistance to polar (hydrophilic) and non polar (hydrophobic) chemicals, including most strong chemicals, such as strong alkalis, acids, oxidizing and reducing agents
• Higher chemical resistance but more brittle than 3Dresyn CR UT
• Ultra hard and tough
• Synthetic thermoset crosslinked network material
• High resolution
• Very high rigidity
• High impact and shattering resistance
• Non deformable non brittle
• Excellent dimensional stability
• Durable

Measured chemical resistance

• Acetic acid (5%): <0.1%
• Acetone: <2%
• Bleach (5% NaOCl): <0.1%
• Butyl acetate: <0.1%
• Diesel fuel: <0.1%
• Diethyl glycol monomethyl ether: <0.1%
• Hydraulic oil: <0.1%
• Hydrogen peroxide (3%): <0.1%
• Isooctane (aka gasoline): <0.1%
• Isopropyl alcohol: <0.1%
• Mineral oil (light): <0.1%
• Mineral oil (heavy): <0.1%
• Salt water (3.5% NaCl): <0.1%
• Sodium hydroxide (0.0001M NaOH: pH=10): <0.1%
• Strong acid (1M HCl hydrochloric acid: pH=0): <0.1%
• Tripropylene glycol monomethyl ether: <0.1%
• Water: <0.01%
• Xylene: <0.1%

*Weight increase (%) after 24 hour exposure to solvent.

Processing and handling performance

• Printable by most commercial and professional SLA, DLP & LCD 3D printers
• Increased durability of the resin tank

Chemical and safety characteristics

• Organo-tin free

Related study

• 3Dresyn CR UHT has been studied in the article: DRGquant: A new modular AI-based pipeline for 3D analysis of the DRG, published in the Journal of Neuroscience Methods

Testing & processing disclaimer

Chemical resistance, dimensional stability, thermal resistance and final mechanical performance depend on part design, printing parameters, post-curing conditions, exposure time, chemical environment and full workflow implementation. Final suitability must be validated by the user for the intended 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-3DRESYN-CR-UHT-EN | Version: 1.0 | Last updated: March 2026