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Formlabs Engineering Resins

Affordable, high quality 3D printing solutions.



Rigid 10K Resin for Rigid, Strong, Industrial-Grade Prototypes

Introducing Rigid 10K Resin, the stiffest material in our engineering portfolio. With a stiffness simulating that of glass and fiber-filled thermoplastics, Rigid 10K Resin is a glass-filled material designed to maintain structural integrity under any condition. 

Consider Rigid 10K Resin for extremely stiff and strong industrial-grade parts such as short-run injection mold masters, aerodynamic test models, and heat or fluid exposed components. 

[ Download Rigid 10K Resin Technical Data Sheet  ]
[ Request a Free Sample Part Now → ] 


Rigid 10K

Rigid 4000 Resin for Stiff, Strong, Engineering-Grade Prototypes

Glass-filled Rigid 4000 Resin simulates the stiffness of PEEK and prints with a smooth, polished finish. It is ideal for stiff and strong parts that can withstand minimal deflection. Consider Rigid 4000 Resin for general load-bearing applications like mounts,brackets, and thin-walled parts.


[ Download Rigid 4000 Resin Technical Data Sheet  ]

Rigid 4000

Grey Pro


Grey Pro Resin offers high precision, moderate elongation, and low creep. This material is great for concept modeling and functional prototyping, especially for parts that will be handled repeatedly.

Grey Pro Resin is ideal for:

  • form and fit testing
  • prototyping injection molded products
  • mold masters for plastics, silicones, and more
  • jigs and fixtures for manufacturing
[ Download Grey Pro Resin Technical Data Sheet  ]


High Temp


High Temp Resin offers a heat deflection temperature (HDT) of 238 °C @ 0.45 MPa, the highest among Formlabs resins. Use it to print detailed, precise prototypes with high temperature resistance.

High Temp Resin is ideal for:

  • parts for hot air, gas, and fluid flow
  • heat-resistant mounts, housings, and fixtures
  • molds and inserts
[ Download High Temp Resin Technical Data Sheet  ]




Tough 1500 Resin for Resilient Prototyping

Tough 1500 Resin is the most resilient material in our functional family of Tough and Durable Resins. It produces stiff and pliable parts that bend and spring back quickly under cyclic loading.

Tough 1500 Resin is ideal for:

  • Prototypes that repeatedly bend and quickly return to shape
  • Jigs and fixtures requiring repeated deflection
  • Simulating the strength and stiffness of polypropylene (PP)


[ Download Tough 1500 Resin Technical Data Sheet  ]
[ Request a Free Sample Part Now → ] 


Tough 1500

Tough 2000 Resin for Rugged Prototyping

Tough 2000 Resin is the strongest and stiffest material in our functional family of Tough and Durable Resins. Choose Tough 2000 Resin for prototyping strong and sturdy parts that should not bend easily.

Tough 2000 Resin is ideal for:

  • Strong and stiff prototypes
  • Jigs and fixtures requiring minimal deflection
  • Simulating the strength and stiffness of ABS
[ Download Tough 2000 Resin Technical Data Sheet  ]

Tough 2000

Durable Resin for Minimal Friction

With low modulus, high elongation, and high impact strength, Durable Resin produces parts with a smooth, glossy finish and high resistance to deformation. Use this material for applications requiring minimal friction. Its low modulus and high elongation make it highly resistant to deformation.

Durable Resin is ideal for:

  • consumer packaging
  • bushings and bearings
  • snap fits and flexures
  • living hinges
[ Download Durable Resin Technical Data Sheet  ]


Flexible 80A



Flexible 80A for Hard Flexible Prototypes

Flexible 80A Resin is the most stiff soft-touch material in our library of Flexible and Elastic Resins, with an 80A Shore durometer to simulate the flexibility of rubber or TPU. Balancing softness with strength, Flexible 80A Resin can withstand bending, flexing, and compression, even through repeated cycles.

The “80A” in the name represents the material’s Shore durometer. If you need a more stiff flexible material, try Elastic 50A Resin.

Flexible 80A Resin is a reformulation of Flexible Resin. Flexible 80A Resin offers more advanced mechanical properties and a new look.

[ Download Flexible 80A Resin Technical Data Sheet  ]


Elastic 50A

Elastic 50A for Soft Flexible Prototypes


Whether you’re optimizing your manufacturing process, rapidly iterating through designs, or assessing form, fit, and function, Formlabs Engineering Resins are formulated to withstand extensive testing and perform under stress.

Our softest Engineering Resin, this 50A Shore durometer material is suitable for prototyping parts normally produced with silicone. Choose Elastic 50A Resin for parts that will bend, stretch, compress, and hold up to repeated cycles without tearing, and spring back quickly to their original shape.

The “50A” in the name represents the material’s Shore durometer. If you need a more stiff flexible material, try Flexible 80A Resin.


[ Download Elastic 50A Resin Technical Data Sheet  ]

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