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Silicone Plastic vs. UF

Both silicone plastic and UF are thermoset plastics. There are 14 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 9.0
9.0
Tensile Strength: Ultimate (UTS), MPa 38
30

Thermal Properties

Specific Heat Capacity, J/kg-K 850
1200
Thermal Conductivity, W/m-K 0.35
0.4
Thermal Expansion, µm/m-K 35
55

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 30
35
Electrical Resistivity Order of Magnitude, 10x Ω-m 12
9.0

Otherwise Unclassified Properties

Density, g/cm3 1.9
1.5

Common Calculations

Stiffness to Weight: Axial, points 2.6
3.3
Stiffness to Weight: Bending, points 36
46
Strength to Weight: Axial, points 5.5
5.6
Strength to Weight: Bending, points 13
14
Thermal Diffusivity, mm2/s 0.22
0.22
Thermal Shock Resistance, points 8.5
4.3