Comparison
ABS Commodity vs PEEK
A side-by-side comparison of Acrylonitrile Butadiene Styrene Commodity Grades and Polyether Ether Ketone.
Physical
Density
1.04-1.08 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.2-0.6 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
0.4-0.7 %
1.1 – 1.4 %
Mechanical
Young's Modulus
2.0-2.5 GPa
3.6 GPa
Tensile Strength
40-50 MPa
100 MPa
Elongation at Break
5-20 %
50 %
Impact Strength (Izod)
150-250 J/m
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
90-105 °C
143 °C
Melting Point
N/A (amorphous)
343 °C
Continuous Service Temperature
70-80 °C
260 °C
Heat Deflection Temperature
80-95 °C
160 °C
Electrical
Dielectric Constant
2.8-3.2
3.2
Volume Resistivity
10¹¹-10¹³ Ω⋅cm
10¹⁶ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Good resistance
Excellent
Bases
Good resistance
Excellent
Solvents
Attacked by aromatic and chlorinated hydrocarbons, ketones, esters
Excellent
UV Resistance
Poor (requires stabilization)
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate to High
~30 kg CO₂e / kg