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Flex Anatomic Resin - Prusament

Ref.: RS-PRUSA-FLEX-ANAT-RED-1KG

106.61 €

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The Anatomic Red flexible resin for 3D printers has been developed by Prusa3D to meet the highest demands in the creation of anatomical models with exceptional visual and mechanical fidelity. Its specialized formula is aimed at professionals in the medical, dental, and educational sectors who seek to reproduce soft tissues such as skin, tendons, gums, or organs with maximum precision. Thanks to its natural anatomical red color, this resin guarantees a realistic representation for surgical practices, medical planning, and specialized training.

This flexible resin stands out for its high resolution, allowing detailed and sharp prints even in complex structures. Its short exposure times speed up production, while low shrinkage ensures dimensionally stable results. Its low viscosity facilitates post-processing, reducing solvent consumption and simplifying washing. The excellent adhesion to the print platform prevents failures during manufacturing, which translates into high process reliability. All this, without compromising safety: the resin is free of Bisphenol A, TPO, and acryloyl morpholine, harmful compounds commonly found in standard materials.

The mixture of Prusament Resin Flex Gingiva Mask with Flex Anatomic Red allows adjusting the pink tone to achieve more realistic and precise anatomical models, ideal for medical and educational use.

Photo 1: The mixture of Prusament Resin Flex Gingiva Mask with Flex Anatomic Red allows adjusting the pink tone to achieve more realistic and precise anatomical models, ideal for medical and educational use. Source: Prusa3D

In dentistry, this flexible 3D resin allows the manufacturing of highly realistic gingival masks and gum models, ideal for clinical simulations and prosthetic work. Furthermore, its ability to mix with other specific resins like Gingiva Mask allows adjusting the color tone, improving visual precision in the anatomical representation of internal structures. This feature is especially useful in the manufacturing of customized medical models and advanced teaching tools, where every anatomical detail matters.

Its stable behavior, minimal odor during printing, and the possibility of combining mechanical performance with aesthetic accuracy make this resin an indispensable option for those seeking professional results in 3D printing for medical or academic use. The compatibility with standard resin printers and its ease of use make it a technical and efficient choice for clinics, universities, and laboratories.

Advantages and Considerations of Anatomic Red Flexible Resin

Below are the main advantages and considerations of Anatomic Red Flexible Resin, a material specifically formulated for medical, dental, and educational applications in 3D printing. This analysis provides a deep understanding of how each technical characteristic influences the product's performance, usability, and anatomical fidelity, helping to make informed decisions according to project needs.

Aspect	Key Advantage	Considerations
Anatomical Simulation	Natural red color that mimics soft tissues such as gums, skin, and organs	May require combination with other resins to adjust specific tones
Mechanical Flexibility	Mimics the elasticity of soft structures, ideal for training and simulations	Not suitable for rigid or structurally loaded parts
Resolution and Detail	High definition for precise medical prints	May require fine printer calibration to maximize results
Exposure Time	Fast curing improves laboratory productivity	Requires specific adjustments depending on the printer model
Low Viscosity	Facilitates washing and reduces residue accumulation	Gloves and protection are recommended when handling liquid resin
Platform Adhesion	Prevents detachment during printing	Ensure the platform is properly leveled
Chemical Safety	Free of Bisphenol A, TPO, and acryloyl morpholine	Uncured resin still poses a risk if not handled correctly
Medical and Dental Applications	Suitable for anatomical models and gingival masks	Not compatible with applications requiring certified biocompatible materials
Post-processing	Easy cleaning after printing	Requires final curing in a UV chamber for maximum durability
Recyclability	High-performance technical material	Not recyclable or reusable once cured

Conclusion

The Anatomic Red flexible resin for 3D printing is a strategic choice for professionals seeking maximum fidelity in the reproduction of soft tissues. Its technical performance, along with a realistic visual finish and a safe composition, positions it as one of the best options in the current market for resins for medical and dental models. Ideal for clinics, universities, laboratories, and medical training centers, this resin offers a unique combination of precision, efficiency, and anatomical realism, responding to the most relevant searches in the sector in 2025.

The resin mimics soft tissues such as skin or organs, ideal for educational models and surgical practice due to its ease of use, low viscosity, and almost no odor. Source: Prusa3D

Photo 2: The resin mimics soft tissues such as skin or organs, ideal for educational models and surgical practice due to its ease of use, low viscosity, and almost no odor. Source: Prusa3D

General information
Manufacturer	Prusa3D
Material	Photopolymer
Format	1 Kg
Technology	DLP/SLA
Viscosity	(ISO 2431) 200-400
Viscosity	(ISO 2431) 200-400
Density (solid)	1.21 g/cm³
Density (liquid)	1.11 g/cm³

Printing properties
Layer height	25 µm

Curing and washing properties
Washing time	3 min
Curing time	[Minimun] 5' \| [Optimal] 60 min min

Mechanical properties (uncured / cured)
Charpy impact strength	(ISO 179-1) NB KJ/m²
Elongation at break	(ISO 527-1) 61.6 %
Tensile strength	(ISO 527-1) 11.0 MPa
Tensile modulus	(ISO 527-1) 24.4 MPa
Surface hardness	(ISO Shore D) 82

Other
HS Code	2916.1

To achieve the best print quality with Prusament Resin Flex Gingiva Mask, it is fundamental to consider both the material properties and compatibility with the 3D printer. Although this resin is fully compatible with third-party MSLA printers, its development has been optimized for Prusa 3D printers, especially the Original Prusa Medical One and SL1S SPEED models. This combination allows for achieving extremely high-precision results in reduced printing times.

Thanks to their monochromatic screen, powerful UV light source, and fast tilt mechanism, these printers allow for a layer exposure of only 3 seconds. This translates into faster production of anatomical and dental models, with excellent definition and detail fidelity.

To ensure a safe and efficient printing environment, it is essential to follow a series of safety and handling recommendations. Although this resin has been formulated with low-odor materials and without components like Bisphenol A or TPO, it remains a chemical product that must be treated with caution. Always use personal protective equipment, especially gloves, when handling the resin, avoiding contact with skin, eyes, or mouth.

In case of spills, it is important to act immediately by cleaning with paper towels and isopropanol (IPA) before the resin cures with ambient light. It is also recommended to work in a well-ventilated area and keep the space clean and protected from direct sunlight.

Regarding waste management, any uncured resin residue must be treated as hazardous chemical waste and taken to authorized collection points. Containers, towels, or models contaminated with liquid resin should not be disposed of in general waste. However, cured resin can be disposed of as non-recyclable waste in the general waste bin, as it behaves like a thermoset material (non-recyclable).

Finally, to preserve the resin's properties, it is advisable to shake the container before each use, store it in a dry, dark place, and use appropriate post-print UV curing to complete the process with professional results.

By following these recommendations, it is possible to maximize the performance of Prusament Flex Gingiva Mask resin, obtaining functional, safe, and realistic parts for the most demanding medical, educational, or professional applications.