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RTPU vs. PVDF

Both RTPU and PVDF 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 RTPU and the bottom bar is PVDF.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.8

Common Calculations

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