Materials / Compare

Plastic PTFE vs. SLA Resin Elastic 50A

Compare Plastic PTFE vs. SLA Resin Elastic 50A strength, stiffness, weight and thermal properties.

Plastic PTFEBulk polymer (molded or machined)
SLA Resin Elastic 50A3D printed (SLA resin)
MechanicalPlastic PTFESLA Resin Elastic 50A
Yield strength9MPa1not given (tensile used)
Ultimate tensile strength39.3MPa211.6x stronger3.4MPa3
Elongation at break350%22.19x more ductile160%3
Young's modulus (stiffness)not sourcednot sourced
Density2,160kg/m³21,010kg/m³32.14x lighter
Strength to weight4.17kN·m/kg24% higher3.37kN·m/kg
Stiffness to weightnot sourcednot sourced
Poisson's ratio0.461not sourced
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of soundnot sourcednot sourced
1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin StandardSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcretePCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30
Stiffness against densityHigher and further left: stiffer for its weight
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin StandardSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Plastic PTFESLA Resin Elastic 50A
Strength against densityHigher and further left: stronger for its weight
ThermalPlastic PTFESLA Resin Elastic 50A
Thermal conductivity0.25W/m·K1not sourced
Thermal expansion100µm/m·K1not sourced
100 mm part over a 50 °C swing500µm growthnot sourced
Specific heat1,400J/kg·K1not sourced
Heats up and cools (diffusivity)0.0827mm²/snot sourced
Thermal shock resistancenot sourcednot sourced
Melting pointsecond melting peak327°C2not sourced
Glass transitionnot sourcedDMA-34.5°C3
Max service temperatureservice temperature260°C4not sourced
1k10k0.1110100Density (kg/m³)Thermal conductivity (W/m·K)Plastic PLAPlastic PETGPlastic ABSPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Plastic PTFE
Thermal conductivity against densityHigher and further left: spreads more heat for its weight
0.111010010100Thermal conductivity (W/m·K)Thermal expansion (µm/m·K)Plastic PETGPlastic ABSPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM HIPSSLA Resin StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPlywoodPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Plastic PTFE
Thermal expansion against thermal conductivityLower and further right: warps less when heated
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Sources4 documents: Chemours, Formlabs
Plastic PTFE
Chemours Teflon PTFE 7C X granular molding resin, typical values (tensile/elongation measured on 0.13 mm skived tape)
SLA Resin Elastic 50A
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.
  1. 1
    Teflon PTFE Fluoropolymer Resin Properties HandbookChemoursarchived copyPlastic PTFE · Yield strength: typical yield strength at 23 °C (Teflon PTFE, Table 8)Plastic PTFE · Poisson's ratio: typical, 23 °C (Teflon PTFE resins, Chemours handbook)Plastic PTFE · Thermal conductivity: typical, granular resin, 4.6 mm specimenPlastic PTFE · Thermal expansion: typical, granular resin, 23-60 °C (ASTM E228)Plastic PTFE · Specific heat: typical, granular resin, 20 °C (ASTM D4591)
  2. 2
    Teflon PTFE 7C X Product InformationChemoursarchived copyPlastic PTFE · Ultimate tensile strength: typical, skived tape 0.13 mmPlastic PTFE · Elongation at break: typical, skived tape 0.13 mmPlastic PTFE · Density: typical (standard specific gravity, ASTM D4894)Plastic PTFE · Melting point: second melting peak (sintered polymer), +/-10
  3. 3
    Elastic 50A Resin V2 Technical Data Sheet (2024)Formlabsarchived copySLA Resin Elastic 50A · Ultimate tensile strength: typicalSLA Resin Elastic 50A · Elongation at break: typicalSLA Resin Elastic 50A · Density: typicalSLA Resin Elastic 50A · Glass transition: DMA
  4. 4
    Teflon PTFE 6C X Product InformationChemoursarchived copyPlastic PTFE · Max service temperature: service temperature (Chemours general Teflon PTFE statement)

Each number points to the document that states it, with the exact basis. Values without a number are computed from the sourced ones. "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 is 3D printed: its properties depend on build direction and print settings; these are typical values.

Questions

Mechanical

Is Plastic PTFE stronger than SLA Resin Elastic 50A?

Plastic PTFE is stronger: its yield strength is 9 MPa against tensile strength 3.4 MPa for SLA Resin Elastic 50A (2.65x).

Which is lighter, Plastic PTFE or SLA Resin Elastic 50A?

SLA Resin Elastic 50A is lighter: 1,010 kg/m³ against 2,160 kg/m³ for Plastic PTFE.

Which is lighter for the same job, Plastic PTFE or SLA Resin Elastic 50A?

For the same stiffness or strength: Plastic PTFE is lighter for a strong rod or tie; SLA Resin Elastic 50A is lighter for a strong beam, strong panel or plate.

Part that must bePlastic PTFESLA Resin Elastic 50A
Strong rod or tielighter24% heavier
Strong beam12% heavierlighter
Strong panel or plate31% heavierlighter

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, Plastic PTFE or SLA Resin Elastic 50A?

Plastic PTFE stretches further before it breaks: 350% elongation at break against 160% for SLA Resin Elastic 50A.

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