Comparison
TPU 95A Filament vs PEEK
A side-by-side comparison of Thermoplastic Polyurethane 95A Filament and Polyether Ether Ketone.
Physical
Density
1.20-1.25 g/cm³
1.32 g/cm³
Water Absorption (24h)
0.5-1.0 %
0.15 %
Transparency
Translucent to Opaque
Opaque (amber)
Shrinkage
Very Low (0.0-0.3%)
1.1 – 1.4 %
Mechanical
Young's Modulus
0.05-0.2 GPa (at low strain)
3.6 GPa
Tensile Strength
40-50 MPa
100 MPa
Elongation at Break
300-500 %
50 %
Impact Strength (Izod)
High (Not typically measured in standard Izod due to deformation)
55 J/m
Flexural Strength
—
170 MPa
Thermal
Glass Transition Temperature
-40 to -20 °C
143 °C
Melting Point
N/A (thermoplastic, softens)
343 °C
Continuous Service Temperature
60-80 °C
260 °C
Heat Deflection Temperature
N/A (deforms)
160 °C
Electrical
Dielectric Constant
4.0-4.5
3.2
Volume Resistivity
10¹⁰-10¹² Ω·cm
10¹⁶ Ω·cm
Dielectric Strength
10-15 MV/m
—
Chemical resistance
Acids
Good resistance
Excellent
Bases
Good resistance
Excellent
Solvents
Resistant to oils and greases. Attacked by strong polar solvents.
Excellent
UV Resistance
Good
Fair
Hydrolysis (steam)
—
Excellent
Sustainability
Recyclability
Mechanically Recyclable (limited)
Recyclable (specialty)
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate
~30 kg CO₂e / kg