MakeItFrom.com
Menu (ESC)

PPE vs. ETFE

Both PPE and ETFE are thermoplastics. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.3
1.5
Elongation at Break, % 30
230
Tensile Strength: Ultimate (UTS), MPa 55
46

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120
50
Maximum Temperature: Autoignition, °C 430
540
Maximum Temperature: Mechanical, °C 90
160
Melting Onset (Solidus), °C 260
260
Specific Heat Capacity, J/kg-K 1200
1000
Thermal Conductivity, W/m-K 0.22
0.24
Thermal Expansion, µm/m-K 90
95

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 MHz 2.7
2.6
Dielectric Strength (Breakdown Potential), kV/mm 19
16
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
15

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.8
Water Absorption After 24 Hours, % 0.23
0.010

Common Calculations

Stiffness to Weight: Axial, points 1.2
0.48
Stiffness to Weight: Bending, points 42
22
Strength to Weight: Axial, points 14
7.3
Strength to Weight: Bending, points 30
16
Thermal Diffusivity, mm2/s 0.17
0.14
Thermal Shock Resistance, points 19
23