# ® ™ Somos GP Plus 14122

**Stereolithography**

**A universal stereolithography material designed to produce accurate, detailed parts across a wide range of applications.**

<sup>®</sup> **Somos GP Plus 14122** sets the standard for 3D printing prototypes. It is easily integrated in production cycles to test designs ensuring proper functionality of parts before they are launched into full production – providing customers the opportunity to get to market quickly. Parts ® produced with **Somos GP Plus 14122** are durable, accurate and moisture resistant. This material is ideal for functional prototypes, concept models and low volume production parts.

**Key Benefits**

•  Extremely accurate  
•  Excellent humidity resistance  
•  Very durable

## Ideal Applications

•  Aerospace parts  
•  Automotive parts  
•  Consumer product parts  
•  Low volume production parts

| LIQUID PROPERTIES         |                          | OPTICAL PROPERTIES        |                      |                          |
|--------------------------|--------------------------|--------------------------|----------------------|--------------------------|
| Appearance               | Opaque White             | $E_{C}$                  | 13mJ/cm^{2}$        | [critical exposure]      |
| Viscosity                | ~340 cps@30℃            | D_{P}$                   | 6.25 mils           | [slope of cure-depth vs.In(E) curve] |
| Density                  | ~1.16g/cm^{3}@25℃       | E_{10}$                  | 64mJ/cm^{2}$        | [exposure that gives 0.254mm(.010inch) thickness] |

$$
\mathsf{E}_{\mathrm{c}}
$$

$$
\mathrm{D_{p}}
$$

$$
\mathrm{E}_{10}
$$

---

Data Sheet

| MECHANICAL PROPERTIES  |                      | UV POSTCURE              |                      |
|-----------------------|----------------------|--------------------------|----------------------|
| ASTM Method           | Property Description  | Metric                   | Imperial             |
| D638M                 | Tensile Modulus      | 2,510MPa                 | 364ksi               |
| D638M                 | Tensile Strength      | 37MPa                   | 5.4ksi               |
| D638M                 | Elongation at Break   |                          | 7.5%                 |
| D638M                 | Elongation at Yield   |                          | 3%                   |
| D790M                 | Flexural Strength      | 67.3MPa                 | 9.8ksi               |
| D2240                 | Flexural Modulus      | 2,200MPa                | 319ksi               |
| D256A                 | Izod Impact(Notched)  | 26J/m                   | 0.49ft-lb/in         |
| D638M                 | Poisson's Ratio       |                          | 0.37%                |
| D2240                 | Hardness(Shore D)     |                          | 79                   |
| D570-98               | Water Absorption       |                          | 0.4%                 |

| THERMAL/ELECTRICAL PROPERTIES |                  | UV POSTCURE              |                      |
|-------------------------------|-------------------|--------------------------|----------------------|
| ASTM Method                   | Property Description| Metric                   | Imperial             |
| E831-05                       | C.T.E. -40-0℃(-40-32F) | 63μm/m℃               | 35μin/in°F           |
| E831-05                       | C.T.E. 0-50℃(32-122F) | 89μm/m℃               | 49μin/in°F           |
| E831-05                       | C.T.E. 50-100℃(122-212F) | 170μm/m℃            | 95μin/in°F           |
| E831-05                       | C.T.E. 100-150℃(212-302F) | 172μm/m℃            | 96μin/in°F           |
| D150-98                       | Dielectric Constant 60Hz | 3.8                     |                      |
| D150-98                       | Dielectric Constant 1KHz | 3.7                     |                      |
| D150-98                       | Dielectric Constant 1MHz | 3.4                     |                      |
| D149-97A                      | Dielectric Strength  | 17.9kV/mm               | 454V/mil             |
| D648                          | HDT@0.46MPa(66psi)  | 46℃                     | 115F                 |
| D648                          | HDT@1.81MPa(264psi)  | 41℃                     | 106F                 |

These values may vary and depend on individual machine processing and post-curing practices.