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PVC-P vs. RTPU

Both PVC-P and RTPU are thermoplastics. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is PVC-P and the bottom bar is RTPU.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
4.0
Elongation at Break, % 180
5.0
Tensile Strength: Ultimate (UTS), MPa 16
75

Thermal Properties

Maximum Temperature: Autoignition, °C 320
270
Maximum Temperature: Decomposition, °C 250
320
Specific Heat Capacity, J/kg-K 1400
1760
Thermal Conductivity, W/m-K 0.17
0.6
Thermal Expansion, µm/m-K 160
100

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 5.8
3.6
Dielectric Strength (Breakdown Potential), kV/mm 20
24
Electrical Resistivity Order of Magnitude, 10x Ω-m 11
14

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.1

Common Calculations

Stiffness to Weight: Axial, points 0.57
2.1
Stiffness to Weight: Bending, points 28
50
Strength to Weight: Axial, points 3.2
20
Strength to Weight: Bending, points 10
38
Thermal Diffusivity, mm2/s 0.090
0.32
Thermal Shock Resistance, points 4.9
13