Comparison
PVC Flexible Cable vs PEEK
A side-by-side comparison of Flexible Polyvinyl Chloride for Cable Jacketing and Polyether Ether Ketone.
Physical
Density
1.20-1.35 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.1-0.5 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
0.5-1.5 %
1.1 – 1.4 %
Mechanical
Young's Modulus
0.1-0.5 GPa
3.6 GPa
Tensile Strength
10-20 MPa
100 MPa
Elongation at Break
100-400 %
50 %
Impact Strength (Izod)
Good
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
-50 to -20 °C
143 °C
Melting Point
N/A (degrades)
343 °C
Continuous Service Temperature
60-80 °C
260 °C
Heat Deflection Temperature
30-50 °C
160 °C
Electrical
Dielectric Constant
4.0-5.0
3.2
Volume Resistivity
10¹⁰-10¹² Ω⋅cm
10¹⁶ Ω·cm
Dielectric Strength
10-20 kV/mm
—
Chemical resistance
Acids
Good resistance
Excellent
Bases
Good resistance
Excellent
Solvents
Attacked by ketones, esters, chlorinated and aromatic hydrocarbons
Excellent
UV Resistance
Poor (requires stabilization)
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable (specialty)
Recycling Code
3 (PVC)
7
Carbon Footprint
Moderate to High
~30 kg CO₂e / kg