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Ultracur3D® ST45

Multi-purpose resin for strength, toughness and fine details 

Ultracur3D® ST45 is a multi-purpose DLP 3D printing resin combining high strength, toughness and impact resistance with fast printing and easy processing on Origin® systems. It produces accurate, fine-detail parts with a smooth surface finish, making it suitable for housings, enclosures, customer-facing components, textured parts and detailed design features. Tested to ISO 10993-5 and rated UL 94 HB for flammability. 

Why Choose Ultracur3D® ST45?

Attributes

Excellent combination of high strength, toughness, and impact resistance. Fast printing, easy post-processing, and smooth finishes

  • Easy-to-use, high performing, and cost-effective material option for a wide range of use cases
  • Fine features and smooth surface finish with Origin® P3™ Technology
  • Biocompatible (ISO 10993) & Flammability: UL-94 (HB)
  • Low Viscosity
  • Colors: Black, Clear

Applications

Versatile resin for functional parts needing toughness, strength, and textured visual parts with small details

 

  • Housings & enclosures
  • Tools requiring high strength, long-term toughness and/or impact resistance 
  • Highly detailed or textured parts
  • Consumer-facing parts with high detail and smooth surfaces  
  • Highly textured parts and tools

Industries

Consumer Products

Consumer Products

Automotive1

Automotive

Agriculture

Agriculture

Packaging

Packaging

Manufacturing

Manufacturing

Consumer Products
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Automotive1
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Agriculture
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Packaging
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Manufacturing
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Compatible Printers

P3 DLP Technology

More about P3 DLP Technology

Our Resources

Need other material properties? 

Download the complete materials list available for Origin and find the best material for your application.

Customer Support

Looking to use this material? View additional documentation and resources on our Customer Support website.

What is DLP 3D printing?

Cost savings with the right material. Read how Thorlabs saves $20,000 a year, replacing an aluminum part with a 3D printed one.

Want to Buy Materials

Well suited for high -performance functional parts requiring high accuracy and mechanical strength.

FAQ

A: Ultracur3D® ST45 is a multi-purpose photopolymer resin for DLP 3D printing. It is designed for strong, tough and impact-resistant parts with accurate details and a smooth surface finish.

A: Ultracur3D® ST45 is suitable for housings, enclosures, customer-facing components, textured parts and components with detailed design features. It is a good choice where both mechanical performance and appearance are important. 

A: Yes, Ultracur3D® ST45 can produce accurate parts with fine details and a smooth surface finish, making it suitable for visible components, textured surfaces and designs with small features.

A:The main benefits are high strength, toughness, impact resistance, fast printing, easy processing and fine-detail reproduction. This makes it a versatile resin for functional and visual DLP 3D printed parts. 

A: Yes, Ultracur3D® ST45 is positioned as a popular material for Origin® systems, offering fast printing, easy processing and reliable detail quality for DLP 3D printing workflows. 

A: Ultracur3D® ST45 is tested to ISO 10993-5 and rated UL 94 HB for flammability. Final part suitability should always be confirmed based on the application, post-processing and production workflow.