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PPE vs. PVC-P

Both PPE and PVC-P are thermoplastics. There are 20 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 PPE and the bottom bar is PVC-P.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.3
1.4
Elongation at Break, % 30
180
Tensile Strength: Ultimate (UTS), MPa 55
16

Thermal Properties

Glass Transition Temperature, °C 85
75
Maximum Temperature: Autoignition, °C 430
320
Maximum Temperature: Mechanical, °C 90
75
Melting Onset (Solidus), °C 260
190
Specific Heat Capacity, J/kg-K 1200
1400
Thermal Conductivity, W/m-K 0.22
0.17
Thermal Expansion, µm/m-K 90
160

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 19
20
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
11

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.4
Water Absorption After 24 Hours, % 0.23
0.45

Common Calculations

Stiffness to Weight: Axial, points 1.2
0.57
Stiffness to Weight: Bending, points 42
28
Strength to Weight: Axial, points 14
3.2
Strength to Weight: Bending, points 30
10
Thermal Diffusivity, mm2/s 0.17
0.090
Thermal Shock Resistance, points 19
4.9