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Liqcreate Bio-Med Clear is a rigid transparent biocompatible photopolymer resin and can be processed on most resin-based 3D-printers. 3D-printed parts from this material show biocompatible properties when post-processed according to the processing instructions1. After washing and post-curing according to instructions, printed parts from Liqcreate Bio-Med Clear pass the biocompatibility tests of:
| ○ Cytotoxicity | ISO 10993-5: 2009 |
| ○ Sensitization | ISO 10993-10: 2021 |
| ○ Irritation | ISO 10993-23: 2021 |
When this product is used to make a regulated medical device, the user must assume all responsibility for the registration and use of this device. Printed parts from Bio-Med Clear can be disinfected with commonly used disinfectants and sterilized by steam sterilization in an autoclave. This biocompatible clear resin is designed for accurate medical models, functional prototypes and applications that require stable mechanical performance.
A biocompatible 3D printing resin for Digital Light Processing (DLP), Liquid Crystal Display (LCD) and laser-based 3D-printers. Liqcreate Bio-Med Clear is perfect for applications that require non-cytotoxicity, non-sensitization and non-irritation characteristics. These properties make Bio-Med Clear suitable for high-precision prototypes and general medical modeling, where stable mechanical behavior is important.
| Mechanical properties | UV post-cured | ||
|---|---|---|---|
| Description | Method | Metric[2] | Imperial[2] |
| Tensile Strength | D638 | 55 MPa | 8.00 ksi |
| Elongation at Break | D638 | 5 - 10% | 5 - 10% |
| Tensile Modulus | D638 | 2.0 GPa | 290 ksi |
| Flexural Strength | D790 | 89 MPa | 12.91 ksi |
| Flexural Modulus | D790 | 2.2 GPa | 319 ksi |
| Flexural Strength | ISO-20795 2 | 78 MPa | 11.31 ksi |
| Flexural Modulus | ISO-20795 2 | 1.7 GPa | 274 ksi |
| IZOD Notched Impact | ISO 180 | 3.04 kJ/m2 | 1.45 ft-lb/in2 |
| IZOD Notched Impact | D256 | 28 J/m | 0.53 ft-lb/in |
| Water absorption | D570-98 | 0.54% | 0.54% |
| Degradation Temperature | Internal Method | > 250 °C[3] | > 482 °F[3] |
| HDT-B 0.45 MPa | ISO75 | 62 °C | 144 °F |
| HDT-A 1.80 MPa | ISO75 | 48 °C | 118 °F |
| Shore D Hardness | D2240 | 85 | 85 |
| Cytotoxicity | ISO-10993 5 | Pass | Pass |
| Sensitization | ISO-10993 10 | Pass | Pass |
| Irritation | ISO-10993 23 | Pass | Pass |
[1]Follow processing instructions to obtain biocompatible parts. [2]Washed in IPA for 2 x 3 minutes in an ultrasonic cleaner. Second washing cycle is done in fresh IPA followed by 30 minutes rest time and post-cured for 30 minutes with LED at 60°C in the Wicked Engineering Curebox. These values can vary and are depending on individual machine processing and post-curing. [3]Softening above HDT, but no part cracking until 250°C / 482°F.
Printed parts from Bio-Med Clear can be disinfected with commonly used disinfectants and sterilized by steam sterilization using an autoclave. Standard steam sterilization programs have been validated at 121°C/250°F and at 134°C/273°F for this biocompatible resin.
| Description | Method | After UV-cure | After steam sterilization 121°C | After steam sterilization 134°C |
|---|---|---|---|---|
| Flexural Strength | ISO-20795 2 | 78 MPa | 75 MPa | 73 MPa |
| Flexural Modulus | ISO-20795 2 | 1.7 GPa | 2.2 GPa | 2.2 GPa |
| Flexural Strength | ASTM 790 | 89 MPa | 80 MPa | 75 MPa |
| Flexural Modulus | ASTM 790 | 2.2 GPa | 2.5 GPa | 2.4 GPa |
| Description | Method | After UV-cure | 70% IPA-based | 99% IPA-based | 70% Ethanol-based | 99% Ethanol-based |
|---|---|---|---|---|---|---|
| Flexural Strength | ASTM 790 | 89 MPa | 90 MPa | 90 MPa | 88 MPa | 84 MPa |
| Flexural Modulus | ASTM 790 | 2.2 GPa | 2.3 GPa | 2.3 GPa | 2.2 GPa | 2.1 GPa |
| Description | Value |
|---|---|
| Form | Clear liquid |
| Viscosity | 475 mPa⋅s at 25°C |
| Density | 1.18 g/cm3 |
| Ec (405 nm) | 6.10 mJ/cm2 |
| Dp (405 nm) | 0.12 mm |
| Ec (385 nm) | 4.10 mJ/cm2 |
| Dp (385 nm) | 0.05 mm |
Values can vary and are depending on individual machine processing and post-curing and therefore it is important to follow the instructions of Liqcreate Bio-Med Clear resin carefully to obtain biocompatible properties.
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