ETFE vs. PSU

Both ETFE and PSU are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.

For each property being compared, the top bar is ETFE and the bottom bar is PSU.

Ethylene Tetrafluoroethylene (ETFE)Polysulfone (PSU)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		1.8
Density, g/cm³		1.2 to 1.6

Elongation at Break, %		230
Elongation at Break, %		2.0 to 52

Flexural Modulus, GPa		1.2
Flexural Modulus, GPa		2.7 to 14

Heat Deflection Temperature At 1.82 MPa (264 psi), °C		50
Heat Deflection Temperature At 1.82 MPa (264 psi), °C		180 to 200

Specific Heat Capacity, J/kg-K		1000
Specific Heat Capacity, J/kg-K		910 to 1000

Strength to Weight: Axial, points		7.3
Strength to Weight: Axial, points		16 to 25

Strength to Weight: Bending, points		16
Strength to Weight: Bending, points		30 to 40

Tensile Strength: Ultimate (UTS), MPa		46
Tensile Strength: Ultimate (UTS), MPa		70 to 140

Thermal Expansion, µm/m-K		95
Thermal Expansion, µm/m-K		25 to 57

ETFE vs. PSU

Material Properties

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