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LDPE vs. ECTFE

Both LDPE and ECTFE 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 LDPE and the bottom bar is ECTFE.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 2.3
2.3

Otherwise Unclassified Properties

Density, g/cm3 0.92
1.7

Common Calculations

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