Materials / Compare
Plastic Nylon PA66 vs. SLA Resin Standard
Compare Plastic Nylon PA66 vs. SLA Resin Standard strength, stiffness, weight and thermal properties.
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Plastic Nylon PA66Bulk polymer (molded or machined)
SLA Resin Standard3D printed (SLA resin)
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|---|---|---|
| Mechanical | ||
| Yield strength | 85MPasourcetypical, dry | not given (tensile used) |
| Ultimate tensile strength | not sourced | 60MPasourcetypical |
| Flexural strength | not sourced | 105MPasourcetypical |
| Elongation at break | 30%sourcenominal strain at break, dry | 8%sourcetypical |
| Young's modulus (stiffness) | 3GPasourcetypical, dry | 2.75GPasourcetypical |
| Density | 1,130kg/m³sourcetypical | not sourced |
| Strength to weight | 75.2kN·m/kg | not sourced |
| Stiffness to weight | 2.65MN·m/kg | not sourced |
| Poisson's ratio | 0.4sourcebase material: unfilled polyamide (PA), conditioned, maker design-guide family value (Covestro Table 3-1) | not sourced |
| Shear modulus | 1.07GPa | not sourced |
| Bulk modulus | 5GPa | not sourced |
| Speed of sound | 1,629m/s | not sourced |
| Thermal | ||
| Thermal conductivity | 0.33W/m·Ksourcetypical | not sourced |
| Thermal expansion | 98µm/m·Ksourcelongitudinal, 23-55 °C | not sourced |
| 100 mm part over a 50 °C swing | 490µm growth | not sourced |
| Specific heat | 1,700J/kg·Ksourcetypical | not sourced |
| Heats up and cools (diffusivity) | 0.172mm²/s | not sourced |
| Thermal shock resistance | 57.2W/m | not sourced |
| Melting point | 260°CsourceDSC | not sourced |
| Max service temperature | 101°CsourceIEC 60216 temperature index, 20000 h | 59°CsourceHDT 1.8 MPa |
| Values for | BASF Ultramid A3K (PA66, unreinforced injection-moulding grade), Product Information 02/2026, dry values (ISO methods) | 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 Nylon PA66 stronger than SLA Resin Standard?
Plastic Nylon PA66 is stronger: its yield strength is 85 MPa against tensile strength 60 MPa for SLA Resin Standard (42%).
Which is stiffer, Plastic Nylon PA66 or SLA Resin Standard?
Plastic Nylon PA66 is stiffer: Young's modulus 3 GPa against 2.75 GPa for SLA Resin Standard, so the same part in Plastic Nylon PA66 deflects less under the same load.
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