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MDF vs. ASTM B628 Ag-Cu

MDF and ASTM B628 Ag-Cu belong to fundamentally different material chemistries. MDF is a polymeric material, while ASTM B628 Ag-Cu is a metal. Therefore, their performance will be even more dissimilar than would be suggested by the difference in properties. There are 13 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is MDF and the bottom bar is ASTM B628 Ag-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 4.0
83
Elongation at Break, % 0.5
1.1 to 17
Poisson's Ratio 0.25
0.36
Shear Modulus, GPa 2.5
31
Tensile Strength: Ultimate (UTS), MPa 18
350 to 760

Thermal Properties

Specific Heat Capacity, J/kg-K 1700
280
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Density, g/cm3 0.75
10

Common Calculations

Stiffness to Weight: Axial, points 3.0
4.6
Stiffness to Weight: Bending, points 71
14
Strength to Weight: Axial, points 6.7
9.5 to 21
Strength to Weight: Bending, points 20
11 to 18
Thermal Shock Resistance, points 27
16 to 34