Comparison
Flexible Durable Copolymer Ether Ester (TPEE) vs PA66
A side-by-side comparison of Copolymer Ether Ester (TPEE) and Polyamide 6,6 (Nylon).
Physical
Density
1.10 - 1.25 g/cm³
1.14 g/cm³
Water Absorption (24h)
0.2 - 0.5 %
1.2 %
Transparency
Opaque to Translucent
Opaque
Shrinkage
0.8 - 1.8 %
1.5 – 2.0 %
Mechanical
Young's Modulus
0.01 - 0.1 GPa
3.0 GPa (dry)
Tensile Strength
20 - 55 MPa
80 MPa
Elongation at Break
450 - 700 %
60 %
Impact Strength (Izod)
Good (especially notched)
50 J/m
Flexural Strength
—
110 MPa
Thermal
Glass Transition Temperature
-50 to -30 °C
70 °C
Melting Point
140 - 170 °C
255 – 265 °C
Continuous Service Temperature
-40 to 100 °C
100 – 120 °C
Heat Deflection Temperature
40 - 70 °C
75 °C (unfilled)
Electrical
Dielectric Constant
4.0 - 5.0
4.0
Volume Resistivity
10^11 - 10^13 Ohm-cm
10¹² Ω·cm
Dielectric Strength
15 - 25 kV/mm
—
Chemical resistance
Acids
Good
Poor
Bases
Good
Good
Solvents
Good resistance to oils, fuels, hydraulic fluids; swells in strong solvents
—
UV Resistance
Good (with additives)
Fair
Alcohols
—
Good
Oils & Fuels
—
Excellent
Sustainability
Recyclability
Recyclable (thermoplastic)
Recyclable
Recycling Code
7 (Other)
7
Carbon Footprint
Moderate
~7.4 kg CO₂e / kg
Bio-based Content
—
0 – 100 % (bio grades)