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Plastic UHMWPE vs. SLA Resin Standard

Compare Plastic UHMWPE vs. SLA Resin Standard strength, stiffness, weight and thermal properties.

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Plastic UHMWPEBulk polymer (molded or machined)
SLA Resin Standard3D printed (SLA resin)
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Mechanical
Yield strength20MPasourcetypical, tensile stress at yield ISO 527, 50 mm/minnot given (tensile used)
Ultimate tensile strength43MPasourcetypical, tensile stress at break ISO 527, 50 mm/min60MPasourcetypical
Flexural strengthnot sourced105MPasourcetypical
Elongation at break465%sourcetypical, nominal elongation at break ISO 5278%sourcetypical
Young's modulus (stiffness)0.66GPasourcetypical, tensile modulus ISO 527, 1 mm/min2.75GPasourcetypical
Density930kg/m³sourcetypicalnot sourced
Strength to weight21.5kN·m/kgnot sourced
Stiffness to weight0.71MN·m/kgnot sourced
Poisson's rationot sourcednot sourced
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of sound842m/snot sourced
Thermal
Thermal conductivity0.4W/m·Ksourcetypical, unfilled (narrative value, generic Celanese UHMWPE)not sourced
Thermal expansion200µm/m·Ksourcetypical, 20 to 100 °C (generic Celanese UHMWPE)not sourced
100 mm part over a 50 °C swing1,000µm growthnot sourced
Specific heatnot sourcednot sourced
Heats up and cools (diffusivity)not sourcednot sourced
Thermal shock resistancenot sourcednot sourced
Melting point130–138°CsourceDSC 10 K/minnot sourced
Max service temperature80°Csourcerecommended max constant operating temperature59°CsourceHDT 1.8 MPa
Values forCelanese GUR 4120 (avg. molecular weight 4.7x10^6 g/mol), typical values on compression-molded specimens; CTE and thermal conductivity from Celanese's generic UHMWPE guide (grade not named)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 UHMWPE stronger than SLA Resin Standard?

SLA Resin Standard is stronger: its tensile strength is 60 MPa against yield strength 20 MPa for Plastic UHMWPE (3x).

Which is stiffer, Plastic UHMWPE or SLA Resin Standard?

SLA Resin Standard is stiffer: Young's modulus 2.75 GPa against 0.66 GPa for Plastic UHMWPE, so the same part in SLA Resin Standard deflects less under the same load.

Among 59 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelPlastic UHMWPE
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 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 HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPlastic UHMWPE
Strength against density

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