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Epoxy vs. UF

Both epoxy and UF are thermoset plastics. There are 15 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is epoxy and the bottom bar is UF.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.4
9.0
Elongation at Break, % 4.5
1.0
Tensile Strength: Ultimate (UTS), MPa 67
30

Thermal Properties

Specific Heat Capacity, J/kg-K 1500
1200
Thermal Conductivity, W/m-K 0.2
0.4
Thermal Expansion, µm/m-K 100
55

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 16
35
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
9.0

Otherwise Unclassified Properties

Density, g/cm3 1.3
1.5

Common Calculations

Stiffness to Weight: Axial, points 1.0
3.3
Stiffness to Weight: Bending, points 34
46
Strength to Weight: Axial, points 14
5.6
Strength to Weight: Bending, points 28
14
Thermal Diffusivity, mm2/s 0.1
0.22
Thermal Shock Resistance, points 20
4.3