Monocure 3D Rapid Tuff

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Monocure 3D TUFF™ resin is a unique blend of advanced urethanes specifically designed to produce a part that possesses high tensile strength. These mechanical properties provide a right balance of strength, flexibility, and a hard surface finish.

Use M3D TUFF™ if you intend to 3D print robust engineering prototypes; it was designed to withstand high stress and strain. Once fully post-cured, TUFF™ can also be machined, painted, or polished for further finishing (see below for more details).

Monocure development team has created this unique material to remain rigid and hard, yet withstand high tensile pressure. The strength improves with the increased thickness of the printed part. For more delicate, thinner models, it is recommended to add FLEX100™ to increase the flexibility if required.

Impact and tensile Strength - What is the difference?


To test the durability of a material when it is dropped or hit with a sudden force is done by performing an Impact Strength Test. It is essential to understand that this is very different from a Tensile Strength Test.

In an impact resistance test, the material is subjected to a force suddenly without any warning. When measuring the Tensile strength of a material, the pressure is applied to it gradually. Failure for both phenomena happens through entirely different mechanisms. In tensile testing, stress exceeds fracture/ultimate value, and in impact testing, the energy transferred is too much for the material to handle.

TUFF™ Printing Tips - How do I use this resin?


M3D TUFF™ resin is very versatile and can be between 10 micron and 100 micron layer heights. 3D models should always be designed solid without any hollowing. Always print large flat areas on an angle to help with print deformation due to the adhesion to the FEP film. To help with unsupported areas, ensure you use well-positioned, solid supports. We recommend you add 1-2 seconds’ wait after print’ setting to allow the material to cool after curing before starting to lift the build plate. (Not all slicers have this setting, check with your software provider) This resin will print faster than our rapid model resin, please adjust your settings accordingly. Use a calibration model like this one, to dial in your printer with our resin. Check our printer setting page to see if we have your printer listed to give you a good starting point.


Finishing - What's the best practice?


For best results after printing, use ResinAway® for removing uncured resin from the part. Place part in a pre-wash bath filled with ResinAway® and use a soft brush to remove excess resin. Follow by placing the component into an ultrasonic cleaner with ResinAway® for 3-5mins to help remove the resin trapped in the finer detail.

Ensure parts are dry by using compressed air or patting gently with a lint-free cloth before post-curing – Warning: leaving excess IPA or ResinAway® on parts might result in surface cracking.

TUFF™ requires post-curing to reach its optimal mechanical properties. We recommend using a 405nm LED Ultraviolet light to post-cure the model. It is recommended to post-cure for at least 30 mins to improve the tensile strength of the resin, but up to 2 hours will further enhance the mechanical properties. These properties will also increase over a few days.

When exposing a part to external elements, apply paint to the surface to improve longevity. Alternatively, the components can be machined, sanded and polished to create a tough scratch resistant surface.

Monocure 3D Rapid Tuff Safety Data Sheet

Please check out printer settings for Monocure 3D Resin here.

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