Materials / Compare
Plastic ABS (bulk/injection) vs. SLA Resin Elastic 50A
Compare Plastic ABS (bulk/injection) vs. SLA Resin Elastic 50A strength, stiffness, weight and thermal properties.
| Try it on a partA bracket to run stress or thermal on, free in your browser | Open in LessCAD | Open in LessCAD |
|---|---|---|
| Mechanical | ||
| Yield strength | 45MPasourcetypical, tensile stress at yield 23 °C | not given (tensile used) |
| Ultimate tensile strength | not sourced | 3.4MPasourcetypical |
| Flexural strength | 65MPasourcetypical, 23 °C | not sourced |
| Elongation at break | 10%sourcenominal strain at break, 23 °C | 160%sourcetypical |
| Young's modulus (stiffness) | 2.3GPasourcetypical | not sourced |
| Density | 1,040kg/m³sourcetypical | 1,010kg/m³sourcetypical |
| Strength to weight | 43.3kN·m/kg12.9x higher | 3.37kN·m/kg |
| Stiffness to weight | 2.21MN·m/kg | not sourced |
| Poisson's ratio | 0.39sourcetypical, ABS family (Covestro Part and Mold Design guide, Table 3-1) | not sourced |
| Shear modulus | 0.827GPa | not sourced |
| Bulk modulus | 3.48GPa | not sourced |
| Speed of sound | 1,487m/s | not sourced |
| Thermal | ||
| Thermal conductivity | 0.17W/m·Ksourcetypical | not sourced |
| Thermal expansion | 80–110µm/m·Ksourcerange | not sourced |
| 100 mm part over a 50 °C swing | 475µm growth | not sourced |
| Specific heat | not sourced | not sourced |
| Heats up and cools (diffusivity) | not sourced | not sourced |
| Thermal shock resistance | 21.4W/m | not sourced |
| Glass transition | not sourced | -34.5°CsourceDMA |
| Max service temperature | 94°CsourceHDT 1.8 MPa (annealed 4 h/80 °C) | not sourced |
| Values for | INEOS Styrolution Terluran GP-22 general-purpose injection-molding ABS, ISO typical values (TDS revision 08/01/2022) | Formlabs Elastic 50A Resin V2 (FLELCL02), TDS Rev. 01 24.01.2024; parts printed on Form 3, 100 µm, Elastic 50A V2 settings and post-processing; tensile on Die C specimens cut from printed sheets after 3+ h at 23 °C. |
Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.
SLA Resin Elastic 50A is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Is Plastic ABS (bulk/injection) stronger than SLA Resin Elastic 50A?
Plastic ABS (bulk/injection) is stronger: its yield strength is 45 MPa against tensile strength 3.4 MPa for SLA Resin Elastic 50A (13.2x).
Which is lighter, Plastic ABS (bulk/injection) or SLA Resin Elastic 50A?
SLA Resin Elastic 50A is lighter: 1,010 kg/m³ against 1,040 kg/m³ for Plastic ABS (bulk/injection).
Which is lighter for the same job, Plastic ABS (bulk/injection) or SLA Resin Elastic 50A?
For the same stiffness or strength: Plastic ABS (bulk/injection) is lighter for a strong rod or tie, strong beam, strong panel or plate.
| Part that must be | Plastic ABS (bulk/injection) | SLA Resin Elastic 50A |
|---|---|---|
| Strong rod or tie | lighter | 12.9x heavier |
| Strong beam | lighter | 5.43x heavier |
| Strong panel or plate | lighter | 3.53x heavier |
For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).
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