Materials / Compare
SLA Resin Elastic 50A vs. SLA Resin Tough 2000
Compare SLA Resin Elastic 50A vs. SLA Resin Tough 2000 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 | not given (tensile used) | 40.4MPasourcetypical |
| Ultimate tensile strength | 3.4MPasourcetypical | 40.4MPasourcetypical11.9x stronger |
| Flexural strength | not sourced | 67MPasourcetypical |
| Elongation at break | 160%sourcetypical2.03x more ductile | 79%sourcetypical |
| Young's modulus (stiffness) | not sourced | 1.8GPasourcetypical |
| Density | 1,010kg/m³sourcetypical | 1,090kg/m³sourcetypical |
| Strength to weight | 3.37kN·m/kg | 37.1kN·m/kg11x higher |
| Stiffness to weight | not sourced | 1.65MN·m/kg |
| Poisson's ratio | not sourced | not sourced |
| Shear modulus | not sourced | not sourced |
| Bulk modulus | not sourced | not sourced |
| Speed of sound | not sourced | 1,285m/s |
| Thermal | ||
| Thermal conductivity | not sourced | not sourced |
| Thermal expansion | not sourced | 134µm/m·Ksourcemean 0-150 °C |
| 100 mm part over a 50 °C swing | not sourced | 671µm growth |
| Specific heat | not sourced | not sourced |
| Heats up and cools (diffusivity) | not sourced | not sourced |
| Thermal shock resistance | not sourced | not sourced |
| Glass transition | -34.5°CsourceDMA | 112°CsourceDMA |
| Max service temperature | not sourced | 57°CsourceHDT 1.8 MPa |
| Values for | 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. | Formlabs Tough 2000 Resin V2 (FLTO2002), TDS Rev. 01 10/06/2025; printed on Form 4 at 100 µm, washed in Form Wash V2 10+5 min in >=99% IPA, post-cured 70 °C for 12 min in Form Cure V2. Orientation not stated. |
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 and SLA Resin Tough 2000 are 3D printed: their properties depend on build direction and print settings; these are typical values.
Questions
Is SLA Resin Elastic 50A stronger than SLA Resin Tough 2000?
SLA Resin Tough 2000 is stronger: its yield strength is 40.4 MPa against tensile strength 3.4 MPa for SLA Resin Elastic 50A (11.9x).
Which is lighter, SLA Resin Elastic 50A or SLA Resin Tough 2000?
SLA Resin Elastic 50A is lighter: 1,010 kg/m³ against 1,090 kg/m³ for SLA Resin Tough 2000.
Which is lighter for the same job, SLA Resin Elastic 50A or SLA Resin Tough 2000?
For the same stiffness or strength: SLA Resin Tough 2000 is lighter for a strong rod or tie, strong beam, strong panel or plate.
| Part that must be | SLA Resin Elastic 50A | SLA Resin Tough 2000 |
|---|---|---|
| Strong rod or tie | 11x heavier | lighter |
| Strong beam | 4.82x heavier | lighter |
| Strong panel or plate | 3.19x heavier | lighter |
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).
Which is more ductile, SLA Resin Elastic 50A or SLA Resin Tough 2000?
SLA Resin Elastic 50A stretches further before it breaks: 160% elongation at break against 79% for SLA Resin Tough 2000.
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