Comparison

PC/ABS Blend vs PEEK

A side-by-side comparison of Polycarbonate / Acrylonitrile Butadiene Styrene Blend and Polyether Ether Ketone.

Physical

Density
1.15-1.25 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.1-0.3 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
0.5-0.7 %
1.1 – 1.4 %

Mechanical

Young's Modulus
2.0-3.0 GPa
3.6 GPa
Tensile Strength
45-60 MPa
100 MPa
Elongation at Break
40-60 %
50 %
Impact Strength (Izod)
50-100 kJ/m
55 J/m
Flexural Strength
170 MPa

Thermal

Glass Transition Temperature
90-120 °C
143 °C
Melting Point
N/A (amorphous)
343 °C
Continuous Service Temperature
70-90 °C
260 °C
Heat Deflection Temperature
80-110 °C (1.8 MPa)
160 °C

Electrical

Dielectric Constant
2.8-3.2
3.2
Volume Resistivity
10^13-10^15 Ohm-cm
10¹⁶ Ω·cm
Dielectric Strength
15-20 kV/mm

Chemical resistance

Acids
Fair
Excellent
Bases
Poor
Excellent
Solvents
Poor
Excellent
UV Resistance
Poor (requires stabilization)
Fair
Hydrolysis (steam)
Excellent

Sustainability

Recyclability
Recyclable
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate
~30 kg CO₂e / kg