| About |
|---|
| DSM’s Somos® ProtoGen 18420 is a liquid, ABS-like, photopolymer that produces accurate parts ideal for general purpose applications. Somos® ProtoGen resins are the first stereolithography resins to demonstrate different material properties based on machine exposure control. Based on Somos® Oxetane™ chemistry, Somos® ProtoGen 18420 offers superior chemical resistance, a wide processing latitude and excellent tolerance to a broad range of temperatures and humidity, both during and after the build. Applications This high-temperature resistant, ABS-like photopolymer is used in solid imaging processes, like stereolithography, to build three-dimensional parts. Somos® ProtoGen 18420 provides considerable processing latitude and is ideal for the medical, electronic, aerospace and automotive markets that demand accurate RTV patterns, durable concept models, highly accurate and humidity & temperature resistant parts.&& |
| Product Description | |
|---|---|
| Supplier | DSM |
| Generic | 3D打印材料 |
| Material Status | Commercial: Active |
| Features | High Heat Resistance,Moisture resistance,Durability,Solvent resistance |
| Availabilitys | North America,Asia Pacific,Europe |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.16 | g/cm³ | |
| Water absorption rate | ASTM D570 | ||
| balance | 0.61 | % | |
| balance | 0.68 | % | |
| viscosity | |||
| 30℃ | 0.35 | Pa·s | |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | ASTM D256A | ||
| 22 ℃ | 15 to 18 | J/m | |
| 23℃ | 20 to 22 | J/m |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | ASTM D648 | ||
| 0.45 MPa, unannealed | 93.0 to 98.0 | ℃ | |
| 0.45 MPa, unannealed | 53.0 to 56.0 | ℃ | |
| 1.8 MPa, unannealed | 46.0 to 47.0 | ℃ | |
| 1.8 MPa, unannealed | 74.0 to 78.0 | ℃ | |
| Glass transition temperature | ASTM E1545 | ||
| — 28 | 57.0 to 59.0 | ℃ | |
| — 29 | 78.0 to 96.0 | ℃ | |
| Linear coefficient of thermal expansion | |||
| MD | ASTM E831 | ||
| -40 to 0 ℃ 30 | 6.7E-5 to 6.8E-5 | cm/cm/℃ | |
| -40 to 0 ℃ 31 | 7.5E-5 to 7.6E-5 | cm/cm/℃ | |
| 0 to 50 ℃ 32 | 8.2E-5 to 8.6E-5 | cm/cm/℃ | |
| 0 to 50 ℃ 33 | 1.0E-4 to 1.1E-4 | cm/cm/℃ | |
| 50 to 100 ℃ 34 | 1.1E-4 to 1.2E-4 | cm/cm/℃ | |
| 50 to 100 ℃ 35 | 1.1E-4 to 1.4E-4 | cm/cm/℃ | |
| 100 to 150 ℃ 36 | 1.3E-4 to 1.4E-4 | cm/cm/℃ | |
| 100 to 150 ℃ 37 | 1.5E-4 to 1.6E-4 | cm/cm/℃ |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | ASTM D149 | ||
| — | 14 | kV/mm | |
| — | 13 to 14 | kV/mm | |
| Dielectric constant | ASTM D150-98 | ||
| 1 MHz | 3.10-3.30 | ASTM D150-98 | |
| 60 Hz | 3.50-3.60 | ASTM D150-98 | |
| 1 kHz | 3.40-3.50 | ASTM D150-98 |
| Supplementary information | Nominal value | Unit | Test method |
|---|---|---|---|
| Critical Exposure | 6.73 | mJ/cm² | |
| Penetration depth | 110.2 | µm |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Shore hardness | ASTM D2240 | ||
| Shaw’s D | 86 to 87 | ||
| Shaw’s D | 86 to 88 | ||
| Tensile modulus | ASTM D638 | ||
| — | 2540 to 2620 | MPa | |
| — | 2880 to 2960 | MPa | |
| — | 2180 to 2310 | MPa | |
| tensile strength | ASTM D638 | ||
| — | 66.1 to 68.1 | MPa | |
| — | 56.9 to 57.1 | MPa | |
| — | 42.2 to 43.8 | MPa | |
| Tensile strain | ASTM D638 | ||
| fracture | 8.0 to 16 | % | |
| fracture | 6.0 to 9.0 | % | |
| fracture | 8.0 to 12 | % | |
| Bending modulus | ASTM D790 | ||
| — | 1990 to 2130 | MPa | |
| — | 2280 to 2340 | MPa | |
| — | 2400 to 2450 | MPa | |
| bending strength | ASTM D790 | ||
| — | 66.7 to 70.5 | MPa | |
| — | 84.9 to 87.7 | MPa | |
| — | 83.8 to 86.7 | MPa | |
| Poisson’s ratio | ASTM D638 | ||
| — | 0.43 to 0.45 | ||
| — 21 | 0.40 to 0.42 |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. UV Postcure & Thermal Postcure |
| 3. UV Postcure at HOC -2 |
| 4. UV Postcure at HOC +3 |
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