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PVDF vs. Epoxy

PVDF belongs to the thermoplastics classification, while epoxy belongs to the thermoset plastics. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.1
2.4
Elongation at Break, % 200
4.5
Tensile Strength: Ultimate (UTS), MPa 49
67

Thermal Properties

Glass Transition Temperature, °C -40
120
Maximum Temperature: Autoignition, °C 640
430
Maximum Temperature: Decomposition, °C 440
430
Maximum Temperature: Mechanical, °C 140
130
Specific Heat Capacity, J/kg-K 1120
1500
Thermal Conductivity, W/m-K 0.12
0.2
Thermal Expansion, µm/m-K 120
100

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 10
16
Electrical Resistivity Order of Magnitude, 10x Ω-m 12
13

Otherwise Unclassified Properties

Density, g/cm3 1.8
1.3
Limiting Oxygen Index (LOI), % 49
20
Refractive Index 1.4
1.6

Common Calculations

Stiffness to Weight: Axial, points 0.35
1.0
Stiffness to Weight: Bending, points 20
34
Strength to Weight: Axial, points 7.8
14
Strength to Weight: Bending, points 17
28
Thermal Diffusivity, mm2/s 0.061
0.1
Thermal Shock Resistance, points 27
20