Comparison
Bio-PA11 Automotive vs PEEK
A side-by-side comparison of Bio-based Polyamide 11, Automotive Grade P and Polyether Ether Ketone.
Physical
Density
1.01-1.03 g/cm³
1.32 g/cm³
Water Absorption (24h)
1.5-2.5 %
0.15 %
Transparency
Translucent to opaque
Opaque (amber)
Shrinkage
1.0 - 2.5 %
1.1 – 1.4 %
Mechanical
Young's Modulus
2.0-3.0 GPa
3.6 GPa
Tensile Strength
50-70 MPa
100 MPa
Elongation at Break
30-60 %
50 %
Impact Strength (Izod)
5.0-10.0 J/cm
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
40-60 °C
143 °C
Melting Point
170-185 °C
343 °C
Continuous Service Temperature
90-100 °C
260 °C
Heat Deflection Temperature
40-50 °C
160 °C
Electrical
Dielectric Constant
4.5
3.2
Volume Resistivity
10¹¹ Ω·cm
10¹⁶ Ω·cm
Dielectric Strength
25 kV/mm
—
Chemical resistance
Acids
Moderate resistance
Excellent
Bases
Good resistance
Excellent
Solvents
Good resistance to oils, greases, fuels; attacked by phenols and strong acids
Excellent
UV Resistance
Moderate (requires additive)
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable (often downcycled)
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
Significantly lower than fossil-based PA11
~30 kg CO₂e / kg