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PPE vs. UP

PPE belongs to the thermoplastics classification, while UP belongs to the thermoset plastics. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is PPE and the bottom bar is UP.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.3
17
Elongation at Break, % 30
1.0
Tensile Strength: Ultimate (UTS), MPa 55
30

Thermal Properties

Glass Transition Temperature, °C 85
60
Specific Heat Capacity, J/kg-K 1200
1200
Thermal Conductivity, W/m-K 0.22
0.7
Thermal Expansion, µm/m-K 90
3.0

Otherwise Unclassified Properties

Density, g/cm3 1.1
2.0

Common Calculations

Stiffness to Weight: Axial, points 1.2
4.7
Stiffness to Weight: Bending, points 42
43
Strength to Weight: Axial, points 14
4.2
Strength to Weight: Bending, points 30
11
Thermal Diffusivity, mm2/s 0.17
0.29
Thermal Shock Resistance, points 19
42