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    3D Printing Materials for Engineering, Manufacturing & Product Design

    The Formlabs library of versatile, reliable Engineering Resins is formulated to help you reduce costs, iterate faster, and bring better experiences to market.


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

This highly glass-filled resin is the stiffest material in our engineering portfolio. Choose Rigid
10K Resin for precise industrial parts that need to withstand significant load without bending. Rigid 10K Resin exhibits a smooth matte finish and is highly resistant to heat and chemicals.

Rigid 10K Resin is ideal for:

  • Short-run injection mold masters and inserts
  • Aerodynamic test models
  • Simulates stiffness of glass and fiber-filled thermoplastics
  • Heat resistant and fluid exposed components, jigs, and fixtures
Rigid 10k sample 2
Rigid 10k sample

The “10K” in the name represents the material’s tensile modulus. If you need a less stiff material, try Rigid 4000 Resin.

Flexural Modulus (GPa)   9 GPa

Tensile Modulus (GPa)   10 GPa

Elongation (%)   1%

Download the Rigid 10K Datasheet

The “4000” in the name represents the material’s tensile modulus. If you need a stiffer material, try Rigid 10K Resin.

Flexural Modulus (GPa)   3.4 GPa

Tensile Modulus (GPa)   4.1 GPa

Elongation (%)   5.6%

Download the Rigid 4000 Datasheet

An all-purpose functional prototyping material, Grey Pro has good elongation, high heat resistance, and low creep.

Flexural Modulus (GPa)   2.0 GPa

Tensile Modulus (GPa)   2.6 GPa

Elongation (%)   13%

Download the Grey Pro Datasheet

Flexural Modulus (GPa)   2.2 GPa

Tensile Modulus (GPa)   2.8 GPa

Elongation (%)   6.2%

Grey Pro Resin for Versatile Prototyping

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

Grey Pro Resin is ideal for:

  • Form and fit testing
  • Injection molded product prototypes
  • Mold masters for plastics, silicone’s, and more
  • Jigs and fixtures for manufacturing
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Grey-Pro-Resin-Consumables-Formlabs-SP3D

An all-purpose functional prototyping material, Grey Pro has good elongation, high heat resistance, and low creep.

Flexural Modulus (GPa)   2.0 GPa

Tensile Modulus (GPa)   2.6 GPa

Elongation (%)   13%

Download the Grey Pro Datasheet

The “10K” in the name represents the material’s tensile modulus. If you need a less stiff material, try Rigid 4000 Resin.

Flexural Modulus (GPa)   9 GPa

Tensile Modulus (GPa)   10 GPa

Elongation (%)   1%

Download the Rigid 10K Datasheet

The “4000” in the name represents the material’s tensile modulus. If you need a stiffer material, try Rigid 10K Resin.

Flexural Modulus (GPa)   3.4 GPa

Tensile Modulus (GPa)   4.1 GPa

Elongation (%)   5.6%

Download the Rigid 4000 Datasheet

Flexural Modulus (GPa)   2.2 GPa

Tensile Modulus (GPa)   2.8 GPa

Elongation (%)   6.2%

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

Rigid Resin is reinforced with glass to offer very high stiffness and a polished finish. This material is highly resistant to deformation over time and is great for printing thin walls and features.

Rigid Resin is ideal for:

  • Turbines and fan blades
  • Jigs, fixtures, and tooling
  • Manifolds
  • Electrical casings and automotive housings
Solid-Print-3D-Formlabs-Rigid-engineering-Resin
Rigid-Resin-Consumables-Formlabs-SP3D.

An all-purpose functional prototyping material, Grey Pro has good elongation, high heat resistance, and low creep.

Flexural Modulus (GPa)   2.0 GPa

Tensile Modulus (GPa)   2.6 GPa

Elongation (%)   13%

Download the Grey Pro Datasheet

The “10K” in the name represents the material’s tensile modulus. If you need a less stiff material, try Rigid 4000 Resin.

Flexural Modulus (GPa)   9 GPa

Tensile Modulus (GPa)   10 GPa

Elongation (%)   1%

Download the Rigid 10K Datasheet

The “4000” in the name represents the material’s tensile modulus. If you need a stiffer material, try Rigid 10K Resin.

Flexural Modulus (GPa)   3.4 GPa

Tensile Modulus (GPa)   4.1 GPa

Elongation (%)   5.6%

Download the Rigid 4000 Datasheet

Flexural Modulus (GPa)   2.2 GPa

Tensile Modulus (GPa)   2.8 GPa

Elongation (%)   6.2%

Elastic Resin for Soft Flexible Parts

The softest Engineering Resin, this Formlabs 50A Shore durometer material is suitable for prototyping parts normally produced with silicone. Choose Elastic Resin for parts that will bend, stretch, compress, and hold up to repeated cycles without tearing.

Elastic Resin is ideal for:

  • Wearables and consumer goods prototyping
  • Medical models and devices
  • Compliant features for robotics
  • Special effects props and models
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How to purchase Formlabs Form 3

Elastic Resin is the softest of the Formlabs Engineering Resins, with a Shore durometer of 50A as well as high elongation and energy return. With high tear strength, this material can withstand repeated cycles.

Requires Resin Tank V2 for Form 3 and Resin Tank LT for Form 2. Elastic Resin decreases the lifetime of resin tanks. Read more about Resin Tank LT lifetime and Form 3 Resin Tank lifetime.

Download the Elastic Datasheet

Flexible Resin for Hard Flexible Parts

An 80A Shore durometer material for more rigid flexible parts with a matte-black soft-touch finish. Choose Flexible Resin to create ergonomic features as part of larger assemblies.

Flexible Resin is ideal for:

  • Cushioning and damping
  • Wearables and consumer goods prototyping
  • Handles, grips, and overmolds
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Flexible-Resin-Consumables-Formlabs-SolidPrint3D

Flexible Resin has a Shore durometer of 80A, close to that of rubbers used to produce shoe soles or tire treads. This material has low tensile modulus and high elongation.

Download the Flexible Datasheet

High Temp Resin for High Thermal Stability

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:

  • Hot air, gas, and fluid flow
  • Heat resistant mounts, housings, and fixtures
  • Molds and inserts
Solid-Print-3D-Formlabs-High-Temp-engineering-Resin
High-Temp-Resin-Consumables-Formlabs

High Temp Resin offers a heat deflection temperature (HDT) of 238 °C @ 0.45 MPa, the highest among Formlabs resins. Materials with higher HDT typically map to lower elongation.

Download the High Temp Datasheet

Heat Deflection Temperature data obtained using the ASTM D 648-16 method.

High Temp – 238°C

Standard – 73.1°C

Rigid – 88°C

Grey Pro – 77.5°C

Tough – 48.5°C

Elongation at Break data obtained using the ASTM D 638-14 method.

High Temp – 2.3%

Standard – 6.2%

Rigid – 85.6%

Grey Pro – 13%

Tough – 24%

Tough Resin

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

Tough Resin is ideal for:

  • Strong and stiff prototypes
  • Jigs and fixtures requiring minimal deflection
  • Simulating the strength and stiffness of ABS
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Tough-Resin-Consumables-Formlabs-SolidPrint3D

Tough Resin simulates the feel and many of the important mechanical properties of Acrylonitrile Butadiene Styrene (ABS) plastic. ABS is a very common thermoplastic that provides a good balance of strength and flexibility. Tough Resin creates strong engineering prototypes and has been developed to withstand high stress and strain. Consider using this material for “works-like” prototypes and assemblies, including designs with snap fit joints and living hinges. For further finishing, Tough resin can also be machined once printed.

Tough Resin prints at 50 microns and 100 microns.

Download the Tough Datasheet
  • High-stress components
  • Snap-fit functions and living hinges
  • Machining
  • Works-like/feels like ABS prototyping
  • Geometrically accurate prototyping under load
  • Very fine features or thin walls
  • Rigid or stiff prints
  • High-temperature applications
  • Constant loading

Tough 1500 Resin

Tough 1500 Resin is the most resilient material in our functional family of Tough and Durable Resins. Choose Tough 1500 Resin for stiff and pliable parts that bend and spring back quickly.

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)
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Tough-1500-Resin-Consumables-Formlabs

Tough 1500 Resin produces stiff and pliable parts that bend and spring back quickly under repeated use. This material is ideal for functional prototypes, jigs and fixtures, and connectors undergoing temporary deflection or high impacts.

Tough 1500 Resin performs similarly to polypropylene in terms of strength and stiffness, which makes it an excellent choice for prototyping products that will be made from that material.

Download the Tough 1500 Datasheet
  • Prototyping
  • Functional assemblies
  • Snap fits
  • Hinges
  • Jigs and fixtures
  • High-temperature applications
  • Fine features

Durable Resin

Durable Resin is the most pliable, impact resistant, and lubricious material in our functional family of Tough and Durable Resins. Choose Durable Resin for squeezable parts and low-friction assemblies.

Durable Resin is ideal for:

  • Squeezable prototypes
  • Low friction assemblies and non-degrading surfaces
  • Jigs and fixtures undergoing significant impacts
  • Simulating the strength and stiffness of polyethylene (PE)
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Durable-Wipe-Box-Resin-Consumables-Formlabs-SolidPrint3D

Durable Resin is impact resistant and highly wear resistant, capable of extreme deformation before breaking, and has low friction compared to standard resins and Tough Resin. Use Durable to prototype parts that will eventually be made from polypropylene (PP) or high density polyethylene (HDPE). It is best used when these features are required in a room-temperature application.

Durable is ideal for engineering prototypes and has been developed to withstand high strain. Consider Durable Resin for applications that require impact resistance for rugged prototyping and for models that feel or look like real polypropylene. Like Flexible Resin, Durable Resin also works for objects that require some flexibility. Unlike Flexible Resin, Durable also maintains good rigidity.

Download the Durable Datasheet
  • Parts requiring high impact strength
  • Prototyping parts that will be made out of polypropylene or HDPE
  • Parts that require a low-friction surface, like ball joints
  • Parts that are both rigid and flexible
  • Snap-fit parts and flexures
  • Parts with very fine details
  • Parts that will be used in elevated temperature environments
  • Constant loading

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