Comparison
rABS Injection Molding vs PEEK
A side-by-side comparison of Recycled Acrylonitrile Butadiene Styrene and Polyether Ether Ketone.
Physical
Density
1.04-1.08 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.2-0.5 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
0.5-0.8 %
1.1 – 1.4 %
Mechanical
Young's Modulus
1.8-2.5 GPa
3.6 GPa
Tensile Strength
35-50 MPa
100 MPa
Elongation at Break
5-20 %
50 %
Impact Strength (Izod)
20-50 J/m
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
100-110 °C
143 °C
Melting Point
N/A (amorphous)
343 °C
Continuous Service Temperature
70-85 °C
260 °C
Heat Deflection Temperature
80-95 °C (0.45 MPa)
160 °C
Electrical
Dielectric Constant
2.7-3.0
3.2
Volume Resistivity
10^15-10^17 Ohm·cm
10¹⁶ Ω·cm
Dielectric Strength
15-25 kV/mm
—
Chemical resistance
Acids
Fair resistance
Excellent
Bases
Fair resistance
Excellent
Solvents
Good resistance to weak acids and bases, poor to strong solvents
Excellent
UV Resistance
Poor (requires additives)
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable (check local facilities)
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
Lower than virgin ABS
~30 kg CO₂e / kg