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What are the strongest 3D-printing resins available?

During the development of Liqcreate Strong-X resin, we studied all available high strength resins. This way we found out what was missing, so we could develop the strongest resin. In this article we want to share the knowledge we gained during this research. All data is obtained from the official manufacturers datasheet and the source is copied below.

There are a lot of resins available and for users often difficult to identify if a resin is useful for their project. For instance there are dozens of “ABS-like” resins available, but if you take a good look at their properties, some of the properties like elongation or strength match real ABS plastic. The most important property, the impact strength is often just 10% of the impact strength of ABS. An overview of the best Tough resins available can be found here. The same comparison for flexible or elastic 3D-printing resins can be found here.

What are the strongest 3D-printing resins?

We searched trough the internet and found strong resins. All resins without a technical data sheet (TDS) were not taken into account. This brought us to the following top 5 strongest resins for 3D-printing anno March 2019. Later in time, Composite-X was developed and added to this list.

  • – Liqcreate Composite-X           150 – 170 MPa[6]
  • – 3D-systems Accura Ceramax  137-145 MPa[1]
  • – DSM Somos PerFORM            120-146 MPa[2]
  • – Liqcreate Strong-X                  134 – 140 MPa[3]
  • – Carbon3D CE221                     131 MPa[4]
  • – Formlabs Grey Pro                   121 MPa[5]

Besides a high strength, all resins in the top 5, except the Formlabs Grey Pro resin claim to have an elevated temperature resistance and most can be used as injection molding inserts or as a complete mold for low volume injection molding.

Compatibility of resins

If we take a closer look at the strongest resins in this list we noticed that there are only three strong resins which  can be used on open-source 3D-printers, These are DSM Somos PerFORM resin, Liqcreate Strong-X and Liqcreate Composite-X. Somos PerFORM is compatible with 365nm 3D-printers. Although there are no compatible 3D-printers listed,  we prosume it is compatible with big laser based SLA machines like UnionTech, EnvisionTEC, RPS / Stratasys, Raplas and 3DSystems. As this epoxy resin technology is famous for using 365nm lasers. While Liqcreate Strong-X and Composite-X are compatible with open 385-405 nm SLA, DLP and LCD / MSLA 3D-printers. The following printers and more are (partially) listed as compatible with Liqcreate resins. The complete list and actual settings can be found here.

  • – Sprintray Moonray S & D
  • – Formlabs Form 2
  • – Formlabs Form1+
  • – Miicraft 125
  • – Cubicon Lux HD
  • – Anycubic Series
  • – Wanhao D7
  • – Phrozen Series
  • – Elegoo Series
  • – Ackuretta Series
  • – Asiga Series
  • – Atum3D
  • – Epax3D
  • – Peopoly Series

Strong-X product page

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About Liqcreate Strong-X

Liqcreate Strong-X is one of the strongest materials available in the market. Its flexural strength of 135MPa is comparable to industry’s leading dual-cure cyanate ester resins. Liqcreate Strong-X is easy to use on all open source SLA and DLP 3D-printers in the range of 385 – 405nm and only requires UV post-curing. This material has excellent features like high strength, high stiffness and high temperature resistance which makes it ideal for injection molding and heavy duty applications.

Key benefits

3D-Printer compatibility

·        High strength ·        Epax3D Series
·        High temperature resistance ·        Formlabs Form2
·        Low odor ·        Asiga & Anycubic series
·        Low shrinkage ·        And many more
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