Materials / Compare

Plywood vs. Rubber

Compare Plywood vs. Rubber strength, stiffness, weight and thermal properties.

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PlywoodNatural
RubberBulk polymer (molded or machined)
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Mechanical
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength41.4MPasourcemodulus of rupture (no direct tensile value)23MPasourcetypical
Flexural strength41.4MPasourcestatic bending MOR (Douglas-fir); range 33.72-42.61 across speciesnot sourced
Elongation at breaknot sourced830%sourcetypical
Young's modulus (stiffness)7.45GPasourcestatic bending MOE of the panel (Douglas-fir); range 6.96-8.55 across speciesnot sourced
Densitynot sourced960kg/m³sourcetypical (specific gravity)
Strength to weightnot sourced24kN·m/kg
Stiffness to weightnot sourcednot sourced
Poisson's rationot sourced0.5sourcegovernment (NBS J. Res. 68A, 1964): computed by NBS for peroxide-cured gum NR vulcanizate, 25 °C, infinitesimal deformation0.49 in the solver: the linear element locks as the ratio nears 0.5 (nearly incompressible).
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of soundnot sourcednot sourced
Thermal
Thermal conductivity0.12W/m·KsourceAPA-recommended design value (Douglas-fir plywood), as reported by FPL/ORNL0.151W/m·Ksourcegovernment selected value (US Army Natick Laboratories TR 66-49-PR, 1966), soft vulcanized natural rubber, 25 °C
Thermal expansion3.1–4.5µm/m·Ksourcebase material: solid wood parallel to grain, ovendry, range across speciesnot sourced
100 mm part over a 50 °C swing19µm growthnot sourced
Specific heat1,700J/kg·Ksourcebase material: solid wood (all species), 12% MC, 27 C1,881J/kg·Ksourcegovernment (NBS J. Res. 68A, Table 7; values observed for unvulcanized NR by Bekkedahl and Matheson), 25 °C
Heats up and cools (diffusivity)not sourced0.0836mm²/s
Thermal shock resistancenot sourcednot sourced
Max service temperaturenot sourced70°Csourcecontinuous use operating range
Values forDouglas-fir plywood sheathing (construction plywood per PS 1), static bending properties from USDA FPL Wood Handbook FPL-GTR-282 Ch. 12 Table 12-2 (Biblis 2000)Weir Minerals Linatex Premium rubber (95 % natural rubber), typical physical properties, spec sheet WMD0118/202305

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.

Questions

Is Plywood stronger than Rubber?

Plywood is stronger: its tensile strength is 41.4 MPa against 23 MPa for Rubber (1.8x).

Which conducts heat better, Plywood or Rubber?

Rubber conducts heat better: 0.151 W/m·K against 0.12 W/m·K for Plywood.

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 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 HIPSSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless Steel
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel 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 Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickRubber
Strength against density

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