PPO vs. PVC-P

Both PPO and PVC-P are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

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

Polyphenylene Oxide (PPO)Plasticized (Flexible) Polyvinyl Chloride (PVC-P)

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, %		3.5 to 28
Elongation at Break, %		180

Impact Strength: Notched Izod, J/m		80 to 270
Impact Strength: Notched Izod, J/m		550

Tensile Strength: Ultimate (UTS), MPa		63 to 140
Tensile Strength: Ultimate (UTS), MPa		16

Thermal Properties

Maximum Temperature: Mechanical, °C		100 to 110
Maximum Temperature: Mechanical, °C		75

Specific Heat Capacity, J/kg-K		1020 to 1250
Specific Heat Capacity, J/kg-K		1400

Thermal Expansion, µm/m-K		25 to 60
Thermal Expansion, µm/m-K		160

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz		2.7 to 3.2
Dielectric Constant (Relative Permittivity) At 1 Hz		5.8

Dielectric Strength (Breakdown Potential), kV/mm		19 to 21
Dielectric Strength (Breakdown Potential), kV/mm		20

Electrical Dissipation At 1 Hz		0.0010 to 0.0020
Electrical Dissipation At 1 Hz		0.12

Electrical Resistivity Order of Magnitude, 10^x Ω-m		15
Electrical Resistivity Order of Magnitude, 10^x Ω-m		11

Otherwise Unclassified Properties

Density, g/cm³		1.1 to 1.4
Density, g/cm³		1.4

Limiting Oxygen Index (LOI), %		32
Limiting Oxygen Index (LOI), %		44

Water Absorption After 24 Hours, %		0.060 to 0.070
Water Absorption After 24 Hours, %		0.45

Common Calculations

Strength to Weight: Axial, points		16 to 27
Strength to Weight: Axial, points		3.2

Strength to Weight: Bending, points		33 to 42
Strength to Weight: Bending, points		10