Cork

Variant of: Polymeric > Wood

Siblings

Balsa Bamboo Plywood

Hardwood Medium Density Fiberboard (MDF)

Spruce-Pine-Fir (SPF) Softwood

Properties

Compressive (Crushing) Strength

1 MPa, or 0.14 10³ psi

0.15 g/cm³, or 9.3 lb/ft³

Dielectric Strength (Breakdown Potential)

1.5 MV/m, or 38 V/mil

Elastic (Young's) Modulus

0.02 GPa, or 0.0029 10⁶ psi

Elongation at Break

Typical

15 %

Limiting Oxygen Index (LOI)

24 %

Maximum Temperature

Typical Guideline

130 °C, or 260 °F

0.01 GPa, or 0.0014 10⁶ psi

Specific Heat Capacity

Conventional

2000 J/kg-K

Specific Heat Capacity

Volumetric

300 10³ J/m³-K

11 10³ m/s, or 36 10³ ft/s

Stiffness-to-Weight Ratio

Shear

0.066 MN-m/kg

Stiffness-to-Weight Ratio

Tensile

0.13 MN-m/kg

Strength-to-Weight Ratio

Compressive

6.6 kN-m/kg

Strength-to-Weight Ratio

Tensile, Ultimate

5.6 kN-m/kg

Tensile Strength

Ultimate

0.85 MPa, or 0.12 10³ psi

Thermal Conductivity

Ambient

0.04 W/m-K

Thermal Diffusivity

Thermal Expansion

20 to 100°C

195 µm/m-K

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