Formlabs Grey Pro Resin Cartridge

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Formlabs Grey Pro Resin

Introducing the Formlabs Grey Pro Resin - a versatile prototyping material perfect for any project. Ideal for form and fit testing, injection molded product prototypes, mold masters for plastics and silicones, jigs and fixtures for manufacturing- this resin is sure to meet all your needs! It's easy to use with its simple setup process, so you can get started right away. Plus it has excellent dimensional stability that ensures accuracy in every application.

When precision and durability are non-negotiable, Formlabs Gray Pro Resin delivers. This high-performance 3D printing material offers the dimensional accuracy and repeatability required for functional prototypes and end-use parts. Its moderate flexibility means this resin can stand up to repeated handling and manipulation without breaking, yet still retains fine details.

Whether you’re testing the fit and form of an engine component or creating jigs and fixtures for an assembly line, Formlabs Grey Pro Resin rises to the challenge. Its resistance to creep, the tendency of materials to change shape over time under constant stress, ensures parts maintain their shape for the long haul. When “good enough” won’t cut it, trust Formlabs Grey Pro Resin to get the job done right the first time. For no-compromise 3D printed parts, choose the professional’s choice.

Supports print resolutions: 100 and 50 microns. Post-curing required. Requires Resin Tank LT for Form 2. Requires Form 3 Resin Tank V2 for Form 3.


Why Choose Grey Pro Resin?

Grey Pro Resin is a tough and heat resistant material that has increased elongation and improved toughness compared to Formlabs Standard Resins.

Low Creep

  • Able to withstand high stress and hold its shape overtime.

High Heat Resistance

  • Allow hot air, gas, and fluid flow through your parts.


  • Handle parts repeatedly, knowing parts will absorb shock and impact energy without breaking.

High Precision

  • Create looks-like prototypes with smooth surfaces that show fine detail.



Formlabs Grey Pro Resin is ideal for concept modeling and versatile and functional prototyping. It is a versatile material suitable for both looks-like prototypes and rigorous hands-on testing.

Consider Formlabs Grey Pro Resin Resin for:

  • Mold masters for plastics and silicones
  • Injection molded product prototypes
  • Form and fit testing
  • Jigs and fixtures for manufacturing



Form Wash Settings


15 minutes


Start with a 15 minute wash and modify the wash time based on your part geometry and solvent purity. There are no special wash instructions for Grey Pro Resin.

Form Cure Settings


15 min


80 °C


For parts printed in an engineering-focused resin (such as those in the Rigid, Tough & Durable, and Flexible & Elastic families), post-curing ensures that the parts reach their optimal mechanical properties and can function as designed. There is only one recommended post-curing time for Grey Pro Resin.


Printer compatibility: Form 2, Form 3, Form 3B, Form 3L, Form 3BL, Form 3+, Form 3B+

Compatible with these resin tanks: Form 2 LT Tank, Form 3/3B Resin Tank V2, Form 3/3B Resin Tank V2.1, Form 3L/3BL Resin Tank V1

Compatible with these build platforms: Form 3 Build Platform 2

Note: Print settings for this material may not be available yet on Form 3L and Form 3BL printers. Please visit our support page for more information.

Additional resin compatibility information is available on our Support site

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