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Glass vs. SLA Resin Standard

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

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GlassNatural
SLA Resin Standard3D printed (SLA resin)
Try it on a partA sample part to run stress or thermal on, free in your browserOpen in LessCADOpen in LessCAD
Mechanical
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength41MPasourcetypical mean surface tensile stress at fracture (MOR), 60 s load, weathered, 50% breakage probability60MPasourcetypical
Flexural strength41MPasourcemean MOR (same value as tensile)105MPasourcetypical
Elongation at breaknot sourced8%sourcetypical
Young's modulus (stiffness)72GPasourcetypical26.2x stiffer2.75GPasourcetypical
Density2,500kg/m³sourcetypicalnot sourced
Strength to weight16.4kN·m/kgnot sourced
Stiffness to weight28.8MN·m/kgnot sourced
Poisson's ratio0.22sourcetypicalnot sourced
Shear modulus29.5GPanot sourced
Bulk modulus42.9GPanot sourced
Speed of sound5,367m/snot sourced
Thermal
Thermal conductivity0.937W/m·Ksourcetypical at 75 Fnot sourced
Thermal expansion8.3µm/m·Ksourcetypical, 75-575 Fnot sourced
100 mm part over a 50 °C swing41.5µm growthnot sourced
Specific heat880J/kg·Ksourcetypical at 75 Fnot sourced
Heats up and cools (diffusivity)0.426mm²/snot sourced
Thermal shock resistance50.1W/mnot sourced
Max service temperature511°Csourcestrain point (ASTM C336) - stress-relaxation onset, not a rated service limit59°CsourceHDT 1.8 MPa
Values forAnnealed soda-lime-silica float glass, Pilkington North America Technical Bulletin ATS-129 (04/2025)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 Glass stronger than SLA Resin Standard?

SLA Resin Standard is stronger: its tensile strength is 60 MPa against 41 MPa for Glass (46%).

Which is stiffer, Glass or SLA Resin Standard?

Glass is stiffer: Young's modulus 72 GPa against 2.75 GPa for SLA Resin Standard, so the same part in Glass 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 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Steel 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 HIPSSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelGlass
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless 304Stainless 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Steel 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 Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickGlass
Strength against density

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