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Plastic Nylon vs. SLA Resin Tough 2000

Compare Plastic Nylon vs. SLA Resin Tough 2000 strength, stiffness, weight and thermal properties.

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Plastic Nylon3D printed (FDM)
SLA Resin Tough 20003D printed (SLA resin)
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Mechanical
Yield strength63.1MPasourcetypical1.56x stronger40.4MPasourcetypical
Ultimate tensile strength63.1MPasourcetypical, peak stress (= stress at yield)40.4MPasourcetypical
Flexural strength82.9MPasourcetypical24% stronger in bending67MPasourcetypical
Elongation at breaknot sourced79%sourcetypical
Young's modulus (stiffness)2.33GPasourcetypical29% stiffer1.8GPasourcetypical
Density1,140kg/m³sourcetypical1,090kg/m³sourcetypical
Strength to weight55.4kN·m/kg49% higher37.1kN·m/kg
Stiffness to weight2.04MN·m/kg24% higher1.65MN·m/kg
Poisson's ratio0.4sourcebase material: unfilled polyamide (PA), conditioned, maker design-guide family value (Covestro Table 3-1)not sourced
Shear modulus0.833GPanot sourced
Bulk modulus3.89GPanot sourced
Speed of sound1,430m/s1,285m/s
Thermal
Thermal conductivity0.33W/m·Ksourcebase material: unreinforced BASF Ultramid PA66 (A3K) and PA6 (B3S), 23 C (same value for both)not sourced
Thermal expansion98–102µm/m·Ksourcebase material: unreinforced BASF Ultramid PA66 (A3K, 98) and PA6 (B3S, 102), 23-55 C134µm/m·Ksourcemean 0-150 °C
100 mm part over a 50 °C swing500µm growth34% less671µm growth
Specific heat1,700J/kg·Ksourcebase material: unreinforced BASF Ultramid PA66 (A3K) and PA6 (B3S), 23 C (same value for both)not sourced
Heats up and cools (diffusivity)0.17mm²/snot sourced
Thermal shock resistance53.6W/mnot sourced
Melting point188°Csourcetypicalnot sourced
Glass transition55.1°Csourcetypical112°CsourceDMA
Max service temperature89.2°CsourceHDT 0.455 MPa (printed specimens)57°CsourceHDT 1.8 MPa
Values forUltimaker Nylon, 3D-printed specimens, XY (flat), conditioned >=24 h at room temperature; Ultimaker S5 Pro, engineering intent profile, 0.15 mm layer height, AA 0.4 print core, 100% infill, Cura 4.9, printed one-at-a-time, conditioned >=24 h at room temperature. TDS v2.00, April 20, 2022.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.

Plastic Nylon and SLA Resin Tough 2000 are 3D printed: their properties depend on build direction and print settings; these are typical values.

Questions

Is Plastic Nylon stronger than SLA Resin Tough 2000?

Plastic Nylon is stronger: its yield strength is 63.1 MPa against 40.4 MPa for SLA Resin Tough 2000 (1.56x).

Which is lighter, Plastic Nylon or SLA Resin Tough 2000?

SLA Resin Tough 2000 is lighter: 1,090 kg/m³ against 1,140 kg/m³ for Plastic Nylon.

Which is stiffer, Plastic Nylon or SLA Resin Tough 2000?

Plastic Nylon is stiffer: Young's modulus 2.33 GPa against 1.8 GPa for SLA Resin Tough 2000, so the same part in Plastic Nylon deflects less under the same load.

Which is lighter for the same job, Plastic Nylon or SLA Resin Tough 2000?

For the same stiffness or strength: Plastic Nylon is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate, strong rod or tie, strong beam, strong panel or plate.

Part that must bePlastic NylonSLA Resin Tough 2000
Stiff rod or tie (tension)lighter24% heavier
Stiff beam (bending)lighter9% heavier
Stiff panel or platelighter4% heavier
Strong rod or tielighter49% heavier
Strong beamlighter29% heavier
Strong panel or platelighter19% 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).

Which expands less with temperature?

Plastic Nylon expands less: 100 µm/m·K against 134 µm/m·K for SLA Resin Tough 2000.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelPlastic NylonSLA Resin Tough 2000
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPURubberAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless 303Stainless 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPlastic NylonSLA Resin Tough 2000
Strength against density

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