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Silicone Plastic vs. PVDF

Silicone plastic belongs to the thermoset plastics classification, while PVDF belongs to the thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 9.0
1.1
Tensile Strength: Ultimate (UTS), MPa 38
49

Thermal Properties

Glass Transition Temperature, °C 200
-40
Maximum Temperature: Decomposition, °C 480
440
Specific Heat Capacity, J/kg-K 850
1120
Thermal Conductivity, W/m-K 0.35
0.12
Thermal Expansion, µm/m-K 35
120

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.9
1.8

Common Calculations

Stiffness to Weight: Axial, points 2.6
0.35
Stiffness to Weight: Bending, points 36
20
Strength to Weight: Axial, points 5.5
7.8
Strength to Weight: Bending, points 13
17
Thermal Diffusivity, mm2/s 0.22
0.061
Thermal Shock Resistance, points 8.5
27