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PVDF vs. RTPU

Both PVDF and RTPU are thermoplastics. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.1
4.0
Elongation at Break, % 200
5.0
Tensile Strength: Ultimate (UTS), MPa 49
75

Thermal Properties

Maximum Temperature: Autoignition, °C 640
270
Maximum Temperature: Decomposition, °C 440
320
Specific Heat Capacity, J/kg-K 1120
1760
Thermal Conductivity, W/m-K 0.12
0.6
Thermal Expansion, µm/m-K 120
100

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 7.5
3.6
Dielectric Strength (Breakdown Potential), kV/mm 10
24
Electrical Resistivity Order of Magnitude, 10x Ω-m 12
14

Otherwise Unclassified Properties

Density, g/cm3 1.8
1.1

Common Calculations

Stiffness to Weight: Axial, points 0.35
2.1
Stiffness to Weight: Bending, points 20
50
Strength to Weight: Axial, points 7.8
20
Strength to Weight: Bending, points 17
38
Thermal Diffusivity, mm2/s 0.061
0.32
Thermal Shock Resistance, points 27
13