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ECTFE vs. LDPE

Both ECTFE and LDPE are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ECTFE and the bottom bar is LDPE.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.6
0.3
Tensile Strength: Ultimate (UTS), MPa 49
7.0

Thermal Properties

Maximum Temperature: Autoignition, °C 620
380
Maximum Temperature: Decomposition, °C 450
400
Melting Onset (Solidus), °C 240
110
Specific Heat Capacity, J/kg-K 1170
2300
Thermal Conductivity, W/m-K 0.15
0.36
Thermal Expansion, µm/m-K 100
220

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
2.3

Otherwise Unclassified Properties

Density, g/cm3 1.7
0.92

Common Calculations

Stiffness to Weight: Axial, points 0.52
0.18
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 8.1
2.1
Strength to Weight: Bending, points 18
8.8
Thermal Diffusivity, mm2/s 0.078
0.17
Thermal Shock Resistance, points 22
7.6