Comparison
Carbon Fiber PA12 vs PEEK
A side-by-side comparison of Polyamide 12, Carbon Fiber Reinforced and Polyether Ether Ketone.
Physical
Density
1.10-1.20 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.3-0.5 %
0.15 %
Transparency
Opaque
Opaque (amber)
Shrinkage
0.2-0.4 %
1.1 – 1.4 %
Mechanical
Young's Modulus
12-20 GPa
3.6 GPa
Tensile Strength
100-130 MPa
100 MPa
Elongation at Break
5-10 %
50 %
Impact Strength (Izod)
10-20 kJ/m
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
40-50 °C
143 °C
Melting Point
175-185 °C
343 °C
Continuous Service Temperature
100-120 °C
260 °C
Heat Deflection Temperature
140-180 °C (1.8 MPa)
160 °C
Electrical
Dielectric Constant
N/A (conductive)
3.2
Volume Resistivity
10^2-10^6 Ohm-cm
10¹⁶ Ω·cm
Dielectric Strength
Low (conductive)
—
Chemical resistance
Acids
Fair
Excellent
Bases
Good
Excellent
Solvents
Good
Excellent
UV Resistance
Fair
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Recyclable (complex)
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
High
~30 kg CO₂e / kg