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Plastic ABS (bulk/injection) vs. SLA Resin Standard
Compare Plastic ABS (bulk/injection) vs. SLA Resin Standard strength, stiffness, weight and thermal properties.
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Plastic ABS (bulk/injection)Bulk polymer (molded or machined)
SLA Resin Standard3D printed (SLA resin)
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|---|---|---|
| Mechanical | ||
| Yield strength | 45MPasourcetypical, tensile stress at yield 23 °C | not given (tensile used) |
| Ultimate tensile strength | not sourced | 60MPasourcetypical |
| Flexural strength | 65MPasourcetypical, 23 °C | 105MPasourcetypical |
| Elongation at break | 10%sourcenominal strain at break, 23 °C | 8%sourcetypical |
| Young's modulus (stiffness) | 2.3GPasourcetypical | 2.75GPasourcetypical20% stiffer |
| Density | 1,040kg/m³sourcetypical | not sourced |
| Strength to weight | 43.3kN·m/kg | not sourced |
| 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 |
| Max service temperature | 94°CsourceHDT 1.8 MPa (annealed 4 h/80 °C) | 59°CsourceHDT 1.8 MPa |
| Values for | INEOS Styrolution Terluran GP-22 general-purpose injection-molding ABS, ISO typical values (TDS revision 08/01/2022) | Formlabs Clear Resin V5 (FLGPCL05), TDS Rev. 01 March 20, 2024; printed on Form 4 at 100 µm, washed 5 min in >=99% IPA, post-cured 15 min at 60 °C in Form Cure. 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 Standard 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 Standard?
SLA Resin Standard is stronger: its tensile strength is 60 MPa against yield strength 45 MPa for Plastic ABS (bulk/injection) (33%).
Which is stiffer, Plastic ABS (bulk/injection) or SLA Resin Standard?
SLA Resin Standard is stiffer: Young's modulus 2.75 GPa against 2.3 GPa for Plastic ABS (bulk/injection), so the same part in SLA Resin Standard deflects less under the same load.
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