Description
Pro3dure´s GR-20 MJF is a biocompatible and hemocompatible 3D printing resin for the generative fabrication of oral and maxillofacial surgery devices.
GR-20 MJF hemocompatible 3D printing resin parts can be sterilized using plasma, gamma rays, ethylene oxide or an autoclave. Moreover, the material is resilient against disinfectants. As the first of its kind it offers a broad range of applications in every operation room
COMPATIBLE WITH DLP/LCD/SLA 3D PRINTERS
Technical data
| Colour | clear transparent |
| Density: | ca. 1.1 g/ml |
| Viscosity | ca. 0,7 Pa s |
| Elastic modulus | ca. 600 MPa |
| Flexual strength | ca. 50 MPa |
| Elongation at break | ca. 20 % |
| Post cured material: |
(depends on postcuring unit) |
| Elastic modulus | ca. 1600 MPa |
| Flexual strength | ca. 80 MPa |
| Elongation at break | ca. 5 % |
| Hardness: | ca. 80 Shore D |
| Storage | between 64°F/18°C and 83°F/28°C |
| Package | 1 kg |
| Typology | 405 nm |
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Specifications
| Property | Requirement | Result | Standard |
| Flexural Strenght | ≥50 MPa | 80 MPa | ISO 20795-2 |
| Flexural Strenght | ≥80 MPa | 117 MPa | ISO 178 |
| Flexural modulus | ≥1500 MPa | 1668 MPa | ISO 20795-2 |
| Flexural modulus | ≥1600 MPa | 2508 MPa | ISO 178 |
| Elongation at break | n.a./n.a.* | 5% | ISO 178 |
| Solubility | ≤ 5μg mm-3 | 0,51μg mm-3 | ISO 20795-2 |
| Water uptake | ≤ 40μg mm-3 | 19,9μg mm-3 | ISO 20795-2 |
| Shore Hardness | n.a./n.a.* | 85D | ISO 7619-1 |
| Viscosity (23°C) | n.a./n.a.* | 0,7 Pa s | DIN 53019-1 |
| Biocompatibility | Irritation and delayed allergies | comply | ISO 10993-10 |
| Biocompatibility | Hemocompatibility | comply | ISO 10993-4 |
| Biocompatibility | Genotoxicity, Carcinogenity and Reproductive toxicity | comply | ISO 10993-3 |
| Biocompatibility | Sustemic toxicity | comply | ISO 10993-11 |
| Biocompatibility | Citotoxicity | comply | ISO 10993-5 |
How to use
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GR-20 MJF bottles should be well shaked before use (fig 1).
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Make sure that GR-20 MJF material is temperature adjusted up to 23 °C to 30 °C.
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Carefully pour GR-20 MJF into the vat of the image projection unit (fig 2).
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Bubbles can be removed with a cleaned spatula or by a recoater routine.
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If it is possible, always store a bottle GR-20 MJF in your production unit in order to avoid temperature differences during refilling.
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For the build parameter adjustment please refer to the machine data sheet.
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After the build process is finished a direct post treatment is recommended.
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If this cannot be guaranteed leave the produced objects in the liquid GR-20 MJF resin.
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After cleaning of the parts with isopropanole ≥ 97 % (approx. 3-5 min. in an ultrasonic bath) the objects are postcured in an adequate light curing unit in a protective gas atmosphere.
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The dental objects generated out of the generative resin GR-20 MJF can be coated and repaired as usual.
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Impurity due to operation mistakes cannot be excluded. With respect to the low viscosity of the resin it is possible to filtrate the GR-20 MJF. It is recommended to filtrate and stir up the resin on a regular base (fig 3).
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To avoid bubbles let GR-20 MJF rest for 1 hour before usage.
Important
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To avoid detrimental effects on material quality do not expose the liquid material to irradiation under any circumstances.
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Deviations from the described manufacturing process may lead to different mechanical and optical properties of the GR-20 MJF material.
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Ensure personal protective gear during processing.
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Caution: Polymerised resins are chemically resistant -avoid stains on clothing.
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Avoid any contact with skin and eyes. In case of accidental contact, rinse with adequate running water, consulting a doctor if necessary.
- The lot number and the best before date are indicated on each GR-20 MJF packaging. In case of claims please always indicate the lot number of the product. Do not use the product after expiry of the best before date.
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Safety notice
The company I.D.M di Marin Davide is not a manufacturer of medical materials or devices. The material sold on this site is neither produced nor controlled by the company I.D.M. di Marin Davide, who in no case can be held responsible for any damage caused by use or application of the material, which must only be used on suitable machines and by specialized personnel, exclusively for the purpose indicated, according to the manufacturer’s instructions. For resins with European certification, the properties of the finished product vary according to the entire printing and post-curing process; refer to the manufacturer for any information about it.
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