Medium Density Fiberboard (MDF)

MDF is a wood-based material.

Material Properties

Compressive (Crushing) Strength10 MPa (1.5 x 103 psi)

Density0.75 g/cm3 (47 lb/ft3)

Dielectric Strength (Breakdown Potential)0.5 kV/mm (0.020 V/mil)

Elastic (Young's, Tensile) Modulus4.0 GPa (0.58 x 106 psi)

Elongation at Break0.5 %

Poisson's Ratio0.25

Shear Modulus2.5 GPa (0.36 x 106 psi)

Specific Heat Capacity1700 J/kg-K

Strength to Weight Ratio24 kN-m/kg

Tensile Strength: Ultimate (UTS)18 MPa (2.6 x 103 psi)

Thermal Conductivity0.3 W/m-K

Thermal Diffusivity0.24

Thermal Expansion12 µm/m-K

Further Reading

Wood Handbook: Wood as an Engineering Material, Forest Products Laboratory, USDA Forest Service, 1999

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