Comparison
Glass-Filled PA11 vs PEEK
A side-by-side comparison of Polyamide 11, Glass Fiber Reinforced and Polyether Ether Ketone.
Physical
Density
1.15-1.25 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.6-1.0 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
0.5-0.8 %
1.1 – 1.4 %
Mechanical
Young's Modulus
3.5-5.0 GPa
3.6 GPa
Tensile Strength
60-80 MPa
100 MPa
Elongation at Break
20-50 %
50 %
Impact Strength (Izod)
40-70 kJ/m
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
30-40 °C
143 °C
Melting Point
180-190 °C
343 °C
Continuous Service Temperature
80-100 °C
260 °C
Heat Deflection Temperature
80-120 °C (1.8 MPa)
160 °C
Electrical
Dielectric Constant
3.4-4.0
3.2
Volume Resistivity
10^10-10^12 Ohm-cm
10¹⁶ Ω·cm
Dielectric Strength
16-22 kV/mm
—
Chemical resistance
Acids
Fair
Excellent
Bases
Good
Excellent
Solvents
Good
Excellent
UV Resistance
Good
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate
~30 kg CO₂e / kg