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UP vs. PPE

UP belongs to the thermoset plastics classification, while PPE belongs to the thermoplastics. 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 UP and the bottom bar is PPE.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

Density, g/cm3 2.0
1.1

Common Calculations

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