Engineering, Manufacturing, and Product Design

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

Choose Engineering Resins For:

Advanced Functionality

Resistance to Stress

Stability Over Time

Rigid Family

Looking for Rigid 10K Resin or Rigid 4000 Resin?

Visit our Rigid Resin family page


Solve Complex Engineering Challenges With a Range of Functional Materials

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

Grey Pro Resin


Grey Pro Resin for Versatile Prototyping

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
  • Injection molded product prototypes
  • Mold masters for plastics, silicones, and more
  • Jigs and fixtures for manufacturing

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

Grey Pro ResinRigid ResinStandard Resin
Flexural Modulus (GPa)2.0 GPa3.7 GPa2.2 GPa
Tensile Modulus (GPa)2.6 GPa4.1 GPa2.8 GPa
Elongation (%)13.0%5.6%6.2%

Technical Data

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


Formlabs - Engineering Materials - Grey Pro

High Temp Resin


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

Technical Data

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.

MaterialHeat Deflection Time @ 0.45 MPa (post-cured)¹Elongation at Break (post-cured)²
High Temp238°C2.3%
Grey Pro77.5°C13%
Tough 200063 °C48%

¹ Heat Deflection Temperature data obtained using the ASTM D 648-16 method.

² Elongation at Break data obtained using the ASTM D 638-14 method.


Formlabs - Engineering Materials - High Temp Resin - Moldmaking
Formlabs - Engineering Materials - High Temp Resin part
Formlabs - Engineering Materials - High Temp Resin - Prototyping

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Compare Properties Across Materials

Formlabs Engineering Resins are designed to simulate a wide range of end-use materials. Compare mechanical properties to find the resins that best match your product requirements.



Get in Touch

Need more information or help choosing the right material for you? Interested in ordering resin in bulk? We’re here to help!



Data Sheets

Download safety and technical data sheets for all Formlabs materials.

Handling & Safety

Handling & Safety

Resin should be handled with care. Proper handling will ensure safe printing and efficient use. Our resins have been designed to be similar or safer to handle as other household chemicals or adhesives. Formlabs materials do not contain volatile solvents so special ventilation is not required. Skin contact should be avoided.

The Safety Data Sheets (SDS) are up to date for every resin product and follow the latest government guidelines. Always consult the SDS as the primary source of information to understand safety and handling of Formlabs materials. For more information about handling resin, learn more tips for resin maintenance in our Help Center.

Technical Data

Technical Data

Plastics are complex materials, and finding the right one for your specific application requires balancing multiple attributes. Our library of resins is ideal for product development, rapid prototyping, and a variety of specialized applications. Download our Technical Data Sheets to explore the mechanical properties of each material.

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Technical Data Sheets

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    Safety Data Sheets

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