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PPSU vs. LDPE

Both PPSU and LDPE are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is PPSU and the bottom bar is LDPE.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 3.6
0.3
Tensile Strength: Ultimate (UTS), MPa 95
7.0

Thermal Properties

Glass Transition Temperature, °C 220
-130
Maximum Temperature: Autoignition, °C 580
380
Maximum Temperature: Decomposition, °C 560
400
Specific Heat Capacity, J/kg-K 970
2300
Thermal Conductivity, W/m-K 0.24
0.36
Thermal Expansion, µm/m-K 45
220

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.8
2.3

Otherwise Unclassified Properties

Density, g/cm3 1.4
0.92

Common Calculations

Stiffness to Weight: Axial, points 1.4
0.18
Stiffness to Weight: Bending, points 36
24
Strength to Weight: Axial, points 19
2.1
Strength to Weight: Bending, points 33
8.8
Thermal Diffusivity, mm2/s 0.17
0.17
Thermal Shock Resistance, points 42
7.6