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PVC-P vs. PPSU

Both PVC-P and PPSU are thermoplastics. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.4
3.6
Elongation at Break, % 180
26
Impact Strength: Notched Izod, J/m 550
80
Tensile Strength: Ultimate (UTS), MPa 16
95

Thermal Properties

Glass Transition Temperature, °C 75
220
Maximum Temperature: Autoignition, °C 320
580
Maximum Temperature: Decomposition, °C 250
560
Maximum Temperature: Mechanical, °C 75
160
Specific Heat Capacity, J/kg-K 1400
970
Thermal Conductivity, W/m-K 0.17
0.24
Thermal Expansion, µm/m-K 160
45

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 5.8
3.8
Dielectric Strength (Breakdown Potential), kV/mm 20
16
Electrical Dissipation At 1 Hz 0.12
0.0020
Electrical Resistivity Order of Magnitude, 10x Ω-m 11
14

Otherwise Unclassified Properties

Density, g/cm3 1.4
1.4
Limiting Oxygen Index (LOI), % 44
38
Water Absorption After 24 Hours, % 0.45
0.44

Common Calculations

Stiffness to Weight: Axial, points 0.57
1.4
Stiffness to Weight: Bending, points 28
36
Strength to Weight: Axial, points 3.2
19
Strength to Weight: Bending, points 10
33
Thermal Diffusivity, mm2/s 0.090
0.17
Thermal Shock Resistance, points 4.9
42