| About |
|---|
| DSM’s Somos® ProtoCast 19122 is a breakthrough for the investment casting industry. It is an antimony-free liquid photopolymer specifically formulated for producing investment casting patterns. Applications Ideal for use in foundry applications, Somos® ProtoCast 19122 is totally antimony-free, which eliminates the risk of contamination in specialty alloys. Antimony is traditionally present in the photoinitiators that activate the stereolithography chemistry. No other metals are present in this unique photopolymer chemistry. The absence of antimony also allows stereolithography patterns to burn out more completely, resulting in significantly lower residual ash than is produced by burning out conventional stereolithography patterns. Studies have shown that the residual ash of Somos® ProtoCast 19122 is less than 0.015% after burnout at 1500°F for two hours.&& |
| Product Description | |
|---|---|
| Supplier | DSM |
| Generic | 3D打印材料 |
| Material Status | Commercial: Active |
| Features | Good Rigidity,High purity,Good surface appearance,High Heat Resistance,No antimony |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.13 | g/cm³ | |
| Water absorption rate | |||
| balance | 0.70 | % | ASTM D570 |
| viscosity | |||
| 30℃ | 0.1 | Pa·s | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | 17 to 29 | J/m | ASTM D256-A |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 59.0 | ℃ | ASTM D648 |
| 1.8 MPa, unannealed | 50.0 | ℃ | ASTM D648 |
| Glass transition temperature | 49.0 | ℃ | ASTM E1545 |
| Linear coefficient of thermal expansion | |||
| MD | ASTM E831 | ||
| -40 to 0 ℃ | 7.4E-5 | cm/cm/℃ | ASTM E831 |
| 0 to 50 ℃ | 9.6E-5 | cm/cm/℃ | ASTM E831 |
| 50 to 100 ℃ | 1.4E-4 | cm/cm/℃ | ASTM E831 |
| 100 to 150 ℃ | 1.8E-4 | cm/cm/℃ | ASTM E831 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 15 | kV/mm | ASTM D149 |
| Dielectric constant | ASTM D150 | ||
| 60 Hz | 3.16 | ASTM D150 | |
| 1 kHz | 3.12 | ASTM D150 | |
| 1 MHz | 2.94 | ASTM D150 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Critical Exposure | 11.5 | mJ/cm² | |
| Penetration depth | 132.1 | µm |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | |||
| Shaw’s D | 84 to 86 | ASTM D2240 | |
| Tensile modulus | 2010 to 2190 | MPa | ASTM D638 |
| tensile strength | |||
| fracture | 44.5 to 45.3 | MPa | ASTM D638 |
| Tensile strain | |||
| fracture | 6.0 | % | ASTM D638 |
| Bending modulus | 2140 to 2270 | MPa | ASTM D790 |
| bending strength | 73.0 to 76.0 | MPa | ASTM D790 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
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