PVC-P vs. PPO

Both PVC-P and PPO 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 PVC-P and the bottom bar is PPO.

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

Metric UnitsUS Customary Units

Mechanical Properties

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

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

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

Thermal Properties

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

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

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

Electrical Properties

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

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

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

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

Otherwise Unclassified Properties

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

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

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

Common Calculations

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

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