Medium Density Fiberboard (MDF)

Variant of: Polymeric > Wood

Siblings

Balsa Bamboo Plywood

Spruce-Pine-Fir (SPF) Softwood

Properties

2.6 GPa, or 0.37 10⁶ psi

Compressive (Crushing) Strength

10 MPa, or 1.4 10³ psi

0.75 g/cm³, or 46 lb/ft³

Dielectric Strength (Breakdown Potential)

0.5 MV/m, or 12 V/mil

Elastic (Young's) Modulus

4 GPa, or 0.58 10⁶ psi

Elongation at Break

Typical

0.5 %

Limiting Oxygen Index (LOI)

24 %

Maximum Temperature

Typical Guideline

130 °C, or 260 °F

Poisson's Ratio

0.25

2.5 GPa, or 0.36 10⁶ psi

Specific Heat Capacity

Conventional

1700 J/kg-K

Specific Heat Capacity

Volumetric

1200 10³ J/m³-K

73 10³ m/s, or 230 10³ ft/s

Stiffness-to-Weight Ratio

Bulk

3.5 MN-m/kg

Stiffness-to-Weight Ratio

Shear

3.3 MN-m/kg

Stiffness-to-Weight Ratio

Tensile

5.3 MN-m/kg

Strength-to-Weight Ratio

Compressive

13 kN-m/kg

Strength-to-Weight Ratio

Tensile, Ultimate

24 kN-m/kg

Tensile Strength

Ultimate

18 MPa, or 2.6 10³ psi

Thermal Conductivity

Ambient

0.3 W/m-K

Thermal Diffusivity

Thermal Expansion

20 to 100°C

12 µm/m-K

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