Table 1.
| Properties | |||
|---|---|---|---|
| Property | Standard | Value | |
| Tensile strength | D-638-03 | 50–65 MPa | |
| Ultimate elongation | D-638-05 | 10–25% | |
| Young’s modulus | D-638-04 | 2000–3000 MPa | |
| Bending strength | D-790-03 | 75–110 MPa | |
| Modulus of elasticity in bending | D-790-04 | 2200–3200 MPa | |
| Poisson ratio * | ASTM D638-10 | 0.41 | |
| Deflection temperature (under load of 0.46 MPa) | D-648-06 | 45–50 °C | |
| Water absorption | D-570-98 24HR | 1.1–1.5% | |
| Shore hardness | D Scale | 83–85 D | |
| Rockwell hardness | M Scale | 73–76 M | |
| Biocompatibility | PN-EN ISO 10993-1:2017 | Skin contact: - more than 30 days Contact with mucous membrane: - up to 24 h |
|
| Chemical composition | |||
| Component | % of weights | ||
| Isbornyl acrylate | 15–30 | ||
| Acrylic monomer | 15–30 | ||
| Urethane acrylate | 10–30 | ||
| Acrylic monomer | 5–10; 10–15 | ||
| Epoxy acrylate | 5–10; 10–15 | ||
| Arylate oligomer | 5–10; 10–15 | ||
| Photoinitiator | 0.1–1; 1–2 | ||
* Note: the Poisson ratio value was obtained by e-mail from Stratasys at the authors’ request.