Materials / Compare

Silicon vs. SLA Resin Standard

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

Change either side
SiliconGrown single crystal
SLA Resin Standard3D printed (SLA resin)
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Mechanical
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength130MPasourcemodulus of rupture (bending fracture stress); brittle, no yield point60MPasourcetypical
Flexural strength130MPasourcemodulus of rupture105MPasourcetypical
Elongation at breaknot sourced8%sourcetypical
Young's modulus (stiffness)131GPasourcetypical (single quoted value of an anisotropic crystal)2.75GPasourcetypical
Density2,329kg/m³sourcetypicalnot sourced
Strength to weight55.8kN·m/kgnot sourced
Stiffness to weight56.2MN·m/kgnot sourced
Poisson's ratio0.221sourcetypicalnot sourced
Shear modulus53.6GPanot sourced
Bulk modulus78.3GPanot sourced
Speed of sound7,500m/snot sourced
Thermal
Thermal conductivity163W/m·Ksourcetypical at 313 K (40 °C)not sourced
Thermal expansion2.62µm/m·Ksourcetypical at 300 Knot sourced
100 mm part over a 50 °C swing13.1µm growthnot sourced
Specific heat732J/kg·Ksourcetypicalnot sourced
Heats up and cools (diffusivity)95.6mm²/snot sourced
Thermal shock resistance48,095W/mnot sourced
Melting point1,412°Csourcetypicalnot sourced
Max service temperature300°Csourceproducer's maximum application temperature (optical components)59°CsourceHDT 1.8 MPa
Values forSynthetic single-crystal silicon (cubic, diamond structure), Korth Kristalle (crystal grower) material data; Korth usually supplies Floating Zone (FZ) material, Czochralski (Cz) also offered. Silicon is elastically anisotropic; the producer quotes one modulus and the solver is isotropic.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 Silicon stronger than SLA Resin Standard?

Silicon is stronger: its tensile strength is 130 MPa against 60 MPa for SLA Resin Standard (2.17x).

Which is stiffer, Silicon or SLA Resin Standard?

Silicon is stiffer: Young's modulus 131 GPa against 2.75 GPa for SLA Resin Standard, so the same part in Silicon deflects less under the same load.

Among 72 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 UHMWPEPlastic 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 SteelPCB Laminate FR-4Ceramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Silicon
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 UHMWPEPlastic 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 SteelBrickPCB Laminate FR-4Ceramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Silicon
Strength against density

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